[INFO] cloning repository https://github.com/rimutaka/stm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rimutaka/stm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frimutaka%2Fstm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frimutaka%2Fstm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 393de2752e0d0649b965d023f5e6f99af7ab8c2e
[INFO] testing rimutaka/stm against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frimutaka%2Fstm" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rimutaka/stm
[INFO] finished tweaking git repo https://github.com/rimutaka/stm
[INFO] tweaked toml for git repo https://github.com/rimutaka/stm written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rimutaka/stm on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 217 packages to latest compatible versions
[INFO] [stderr]       Adding bs58 v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding cargo-deb v1.44.1 (available: v3.6.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding hyper v0.14.32 (available: v1.8.1)
[INFO] [stderr]       Adding hyper-rustls v0.23.2 (available: v0.27.7)
[INFO] [stderr]       Adding ring v0.16.20 (available: v0.17.14)
[INFO] [stderr]       Adding rust-embed v6.8.1 (available: v8.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09cf968ce22c33fa49cb10fb4f6b6c2e1f20d0e40282949855a074c7acc46392
[INFO] running `Command { std: "docker" "start" "-a" "09cf968ce22c33fa49cb10fb4f6b6c2e1f20d0e40282949855a074c7acc46392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09cf968ce22c33fa49cb10fb4f6b6c2e1f20d0e40282949855a074c7acc46392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09cf968ce22c33fa49cb10fb4f6b6c2e1f20d0e40282949855a074c7acc46392", kill_on_drop: false }`
[INFO] [stdout] 09cf968ce22c33fa49cb10fb4f6b6c2e1f20d0e40282949855a074c7acc46392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dd1dfdd18051b4d6f681715ab04a51748b0548aea189c98ba34313821694194
[INFO] running `Command { std: "docker" "start" "-a" "1dd1dfdd18051b4d6f681715ab04a51748b0548aea189c98ba34313821694194", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling cc v1.2.54
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling rle-decode-fast v1.0.3
[INFO] [stderr]    Compiling libflate_lz77 v1.2.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling libflate v1.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zmij v1.0.17
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling rust-embed-utils v7.8.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling flate2 v1.1.8
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling webpki v0.22.4
[INFO] [stderr]    Compiling include-flate-codegen v0.1.4
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling path-dedot v3.1.1
[INFO] [stderr]    Compiling include-flate-codegen-exports v0.1.4
[INFO] [stderr]    Compiling include-flate v0.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling cargo-deb v1.44.1
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling path-absolutize v3.1.1
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rust-embed-impl v6.8.1
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling xz2 v0.1.7
[INFO] [stderr]    Compiling rust-embed v6.8.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling uuid v1.20.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling sha-1 v0.10.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling ar v0.9.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tokio-rustls v0.23.4
[INFO] [stderr]    Compiling stackmuncher_lib v0.2.0 (/opt/rustwide/workdir/stackmuncher_lib)
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stdout]    --> stackmuncher_lib/src/lib.rs:386:49
[INFO] [stdout]     |
[INFO] [stdout] 386 |                         let ts_dt = chrono::Utc.timestamp(ts_num, 0);
[INFO] [stdout]     |                                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cargo_toml v0.15.3
[INFO] [stdout] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/report.rs:984:47
[INFO] [stdout]     |
[INFO] [stdout] 984 |                     report.date_head = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/report.rs:984:54
[INFO] [stdout]     |
[INFO] [stdout] 984 |                     report.date_head = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stdout]     |                                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/report.rs:996:47
[INFO] [stdout]     |
[INFO] [stdout] 996 |                     report.date_init = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/report.rs:996:54
[INFO] [stdout]     |
[INFO] [stdout] 996 |                     report.date_init = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stdout]     |                                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stdout]     --> stackmuncher_lib/src/report/report.rs:1147:28
[INFO] [stdout]      |
[INFO] [stdout] 1147 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stdout]      |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stdout]     --> stackmuncher_lib/src/report/report.rs:1147:35
[INFO] [stdout]      |
[INFO] [stdout] 1147 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stdout]      |                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stdout]     --> stackmuncher_lib/src/report/report.rs:1154:28
[INFO] [stdout]      |
[INFO] [stdout] 1154 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stdout]      |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stdout]     --> stackmuncher_lib/src/report/report.rs:1154:35
[INFO] [stdout]      |
[INFO] [stdout] 1154 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stdout]      |                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/commit_time_histo.rs:412:38
[INFO] [stdout]     |
[INFO] [stdout] 412 |                         let ts = Utc.timestamp(ts, 0);
[INFO] [stdout]     |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> stackmuncher_lib/src/contributor.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         state.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = state.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> stackmuncher_lib/src/report/kwc.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         state.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let _ = state.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> stackmuncher_lib/src/report/overview.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         state.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = state.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> stackmuncher_lib/src/report/overview.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> stackmuncher_lib/src/report/tech.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-rustls v0.23.2
[INFO] [stderr]    Compiling stackmuncher v0.1.7 (/opt/rustwide/workdir/stackmuncher)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "1dd1dfdd18051b4d6f681715ab04a51748b0548aea189c98ba34313821694194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd1dfdd18051b4d6f681715ab04a51748b0548aea189c98ba34313821694194", kill_on_drop: false }`
[INFO] [stdout] 1dd1dfdd18051b4d6f681715ab04a51748b0548aea189c98ba34313821694194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 985f4ac4dc8011aebc5d003f2d08b97b00eacf93b342ec7849a596fe2ebc0be3
[INFO] running `Command { std: "docker" "start" "-a" "985f4ac4dc8011aebc5d003f2d08b97b00eacf93b342ec7849a596fe2ebc0be3", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stdout]    --> stackmuncher_lib/src/lib.rs:386:49
[INFO] [stdout]     |
[INFO] [stdout] 386 |                         let ts_dt = chrono::Utc.timestamp(ts_num, 0);
[INFO] [stdout]     |                                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/report.rs:984:47
[INFO] [stdout]     |
[INFO] [stdout] 984 |                     report.date_head = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/report.rs:984:54
[INFO] [stdout]     |
[INFO] [stdout] 984 |                     report.date_head = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stdout]     |                                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/report.rs:996:47
[INFO] [stdout]     |
[INFO] [stdout] 996 |                     report.date_init = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/report.rs:996:54
[INFO] [stdout]     |
[INFO] [stdout] 996 |                     report.date_init = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stdout]     |                                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stdout]     --> stackmuncher_lib/src/report/report.rs:1147:28
[INFO] [stdout]      |
[INFO] [stdout] 1147 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stdout]      |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stdout]     --> stackmuncher_lib/src/report/report.rs:1147:35
[INFO] [stdout]      |
[INFO] [stdout] 1147 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stdout]      |                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stdout]     --> stackmuncher_lib/src/report/report.rs:1154:28
[INFO] [stdout]      |
[INFO] [stdout] 1154 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stdout]      |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stdout]     --> stackmuncher_lib/src/report/report.rs:1154:35
[INFO] [stdout]      |
[INFO] [stdout] 1154 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stdout]      |                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/commit_time_histo.rs:412:38
[INFO] [stdout]     |
[INFO] [stdout] 412 |                         let ts = Utc.timestamp(ts, 0);
[INFO] [stdout]     |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> stackmuncher_lib/src/contributor.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         state.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = state.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> stackmuncher_lib/src/report/kwc.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         state.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let _ = state.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> stackmuncher_lib/src/report/overview.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         state.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = state.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> stackmuncher_lib/src/report/overview.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> stackmuncher_lib/src/report/tech.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stackmuncher_lib v0.2.0 (/opt/rustwide/workdir/stackmuncher_lib)
[INFO] [stderr]    Compiling stackmuncher v0.1.7 (/opt/rustwide/workdir/stackmuncher)
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stdout]    --> stackmuncher_lib/src/lib.rs:386:49
[INFO] [stdout]     |
[INFO] [stdout] 386 |                         let ts_dt = chrono::Utc.timestamp(ts_num, 0);
[INFO] [stdout]     |                                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/report.rs:984:47
[INFO] [stdout]     |
[INFO] [stdout] 984 |                     report.date_head = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/report.rs:984:54
[INFO] [stdout]     |
[INFO] [stdout] 984 |                     report.date_head = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stdout]     |                                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/report.rs:996:47
[INFO] [stdout]     |
[INFO] [stdout] 996 |                     report.date_init = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/report.rs:996:54
[INFO] [stdout]     |
[INFO] [stdout] 996 |                     report.date_init = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stdout]     |                                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stdout]     --> stackmuncher_lib/src/report/report.rs:1147:28
[INFO] [stdout]      |
[INFO] [stdout] 1147 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stdout]      |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stdout]     --> stackmuncher_lib/src/report/report.rs:1147:35
[INFO] [stdout]      |
[INFO] [stdout] 1147 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stdout]      |                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stdout]     --> stackmuncher_lib/src/report/report.rs:1154:28
[INFO] [stdout]      |
[INFO] [stdout] 1154 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stdout]      |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stdout]     --> stackmuncher_lib/src/report/report.rs:1154:35
[INFO] [stdout]      |
[INFO] [stdout] 1154 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stdout]      |                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stdout]    --> stackmuncher_lib/src/report/commit_time_histo.rs:412:38
[INFO] [stdout]     |
[INFO] [stdout] 412 |                         let ts = Utc.timestamp(ts, 0);
[INFO] [stdout]     |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::hash::Hasher::finish` that must be used
[INFO] [stdout]   --> stackmuncher_lib/src/contributor.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         state.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = state.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::hash::Hasher::finish` that must be used
[INFO] [stdout]   --> stackmuncher_lib/src/report/kwc.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         state.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let _ = state.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::hash::Hasher::finish` that must be used
[INFO] [stdout]   --> stackmuncher_lib/src/report/overview.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         state.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = state.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::hash::Hasher::finish` that must be used
[INFO] [stdout]    --> stackmuncher_lib/src/report/overview.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::hash::Hasher::finish` that must be used
[INFO] [stdout]    --> stackmuncher_lib/src/report/tech.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.95s
[INFO] running `Command { std: "docker" "inspect" "985f4ac4dc8011aebc5d003f2d08b97b00eacf93b342ec7849a596fe2ebc0be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "985f4ac4dc8011aebc5d003f2d08b97b00eacf93b342ec7849a596fe2ebc0be3", kill_on_drop: false }`
[INFO] [stdout] 985f4ac4dc8011aebc5d003f2d08b97b00eacf93b342ec7849a596fe2ebc0be3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b13468cc1cf8a5f92ea5b86d369980e96f2be160f6985ce308aff90c14d8465
[INFO] running `Command { std: "docker" "start" "-a" "3b13468cc1cf8a5f92ea5b86d369980e96f2be160f6985ce308aff90c14d8465", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stderr]    --> stackmuncher_lib/src/lib.rs:386:49
[INFO] [stderr]     |
[INFO] [stderr] 386 |                         let ts_dt = chrono::Utc.timestamp(ts_num, 0);
[INFO] [stderr]     |                                                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stderr]    --> stackmuncher_lib/src/report/report.rs:984:47
[INFO] [stderr]     |
[INFO] [stderr] 984 |                     report.date_head = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stderr]     |                                               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stderr]    --> stackmuncher_lib/src/report/report.rs:984:54
[INFO] [stderr]     |
[INFO] [stderr] 984 |                     report.date_head = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stderr]     |                                                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stderr]    --> stackmuncher_lib/src/report/report.rs:996:47
[INFO] [stderr]     |
[INFO] [stderr] 996 |                     report.date_init = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stderr]     |                                               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stderr]    --> stackmuncher_lib/src/report/report.rs:996:54
[INFO] [stderr]     |
[INFO] [stderr] 996 |                     report.date_init = Some(v.date().and_hms(0, 0, 0).to_rfc3339());
[INFO] [stderr]     |                                                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stderr]     --> stackmuncher_lib/src/report/report.rs:1147:28
[INFO] [stderr]      |
[INFO] [stderr] 1147 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stderr]      |                            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stderr]     --> stackmuncher_lib/src/report/report.rs:1147:35
[INFO] [stderr]      |
[INFO] [stderr] 1147 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stderr]      |                                   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `chrono::DateTime::<Tz>::date`: Use `date_naive()` instead
[INFO] [stderr]     --> stackmuncher_lib/src/report/report.rs:1154:28
[INFO] [stderr]      |
[INFO] [stderr] 1154 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stderr]      |                            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stderr]     --> stackmuncher_lib/src/report/report.rs:1154:35
[INFO] [stderr]      |
[INFO] [stderr] 1154 |                 Ok(v) => v.date().and_hms(0, 0, 0).with_timezone(&Utc),
[INFO] [stderr]      |                                   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stderr]    --> stackmuncher_lib/src/report/commit_time_histo.rs:412:38
[INFO] [stderr]     |
[INFO] [stderr] 412 |                         let ts = Utc.timestamp(ts, 0);
[INFO] [stderr]     |                                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]   --> stackmuncher_lib/src/contributor.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         state.finish();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let _ = state.finish();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]   --> stackmuncher_lib/src/report/kwc.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         state.finish();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let _ = state.finish();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]   --> stackmuncher_lib/src/report/overview.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         state.finish();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let _ = state.finish();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]    --> stackmuncher_lib/src/report/overview.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         state.finish();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let _ = state.finish();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]    --> stackmuncher_lib/src/report/tech.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         state.finish();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let _ = state.finish();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `stackmuncher_lib` (lib) generated 15 warnings
[INFO] [stderr] warning: unused return value of `std::hash::Hasher::finish` that must be used
[INFO] [stderr]   --> stackmuncher_lib/src/contributor.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         state.finish();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let _ = state.finish();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::hash::Hasher::finish` that must be used
[INFO] [stderr]   --> stackmuncher_lib/src/report/kwc.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         state.finish();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let _ = state.finish();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::hash::Hasher::finish` that must be used
[INFO] [stderr]   --> stackmuncher_lib/src/report/overview.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         state.finish();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let _ = state.finish();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::hash::Hasher::finish` that must be used
[INFO] [stderr]    --> stackmuncher_lib/src/report/overview.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         state.finish();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let _ = state.finish();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::hash::Hasher::finish` that must be used
[INFO] [stderr]    --> stackmuncher_lib/src/report/tech.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         state.finish();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let _ = state.finish();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `stackmuncher_lib` (lib test) generated 15 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stackmuncher-e9b5e6314e7ba095)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stackmuncher_lib-4a6218078a60bbc8)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test ignore_paths::test_compile_ignore_paths ... ok
[INFO] [stdout] test report::report::test_report::test_merge ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- report::report::test_report::test_merge stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'report::report::test_report::test_merge' (19) panicked at stackmuncher_lib/src/report/report.rs:1235:56:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x563c71fdfb92 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x563c71fdfb92 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x563c71fdfb92 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x563c71fdfb92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x563c71ff145a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x563c71ff145a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x563c71fae846 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x563c71fae846 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x563c71fbef99 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x563c71fbef99 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x563c71fbee31 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x563c71cd254e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x563c71cd254e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x563c71fbf212 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x563c71fbf212 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x563c71fbf058 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x563c71fba3f9 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x563c71fa343d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x563c71ff97fc - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x563c71ff8db2 - core::result::unwrap_failed::h7d4c34940aded59c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x563c71c51673 - core::result::Result<T,E>::unwrap::hc4494938dc63b668
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x563c71c51673 - stackmuncher_lib::report::report::test_report::test_merge::ha6abb29923f399fd
[INFO] [stdout]                                at /opt/rustwide/workdir/stackmuncher_lib/src/report/report.rs:1235:56
[INFO] [stdout]   22:     0x563c71c52ab7 - stackmuncher_lib::report::report::test_report::test_merge::{{closure}}::h8f3688fdf1085d39
[INFO] [stdout]                                at /opt/rustwide/workdir/stackmuncher_lib/src/report/report.rs:1229:20
[INFO] [stdout]   23:     0x563c71c27966 - core::ops::function::FnOnce::call_once::h1a0c64ea7275066f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x563c71cd234b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x563c71cd234b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x563c71ce5d1a - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x563c71ce5d1a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x563c71ce5d1a - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x563c71ce5d1a - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x563c71ce5d1a - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x563c71ce5d1a - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x563c71ce5d1a - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x563c71cc0174 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x563c71cc0174 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x563c71cc3a32 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x563c71cc3a32 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x563c71cc3a32 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x563c71cc3a32 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x563c71cc3a32 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x563c71cc3a32 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x563c71cc3a32 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x563c71fb568f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x563c71fb568f - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x780d6004baa4 - <unknown>
[INFO] [stdout]   45:     0x780d600d8a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     report::report::test_report::test_merge
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p stackmuncher_lib --lib`
[INFO] running `Command { std: "docker" "inspect" "3b13468cc1cf8a5f92ea5b86d369980e96f2be160f6985ce308aff90c14d8465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b13468cc1cf8a5f92ea5b86d369980e96f2be160f6985ce308aff90c14d8465", kill_on_drop: false }`
[INFO] [stdout] 3b13468cc1cf8a5f92ea5b86d369980e96f2be160f6985ce308aff90c14d8465
