[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] building rimutaka/stm against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frimutaka%2Fstm" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rimutaka/stm on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]       Adding ring v0.16.20 (available: v0.17.14)
[INFO] [stderr]       Adding rust-embed v6.8.1 (available: v8.7.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "579c87e2d1c8f6172fcd23ded4cb8d95002ec8cbbb3e798bcc47805dab802313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "579c87e2d1c8f6172fcd23ded4cb8d95002ec8cbbb3e798bcc47805dab802313", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "de70faf638a2a15c5a4445a4f1ed6e48e30d703d484180366cdee5290f33031b", kill_on_drop: false }`
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[INFO] [stderr]    Compiling num_cpus v1.17.0
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[INFO] [stderr]    Compiling md5 v0.7.0
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[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling cargo_toml v0.15.3
[INFO] [stderr]    Compiling stackmuncher_lib v0.2.0 (/opt/rustwide/workdir/stackmuncher_lib)
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[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 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 32s
[INFO] running `Command { std: "docker" "inspect" "de70faf638a2a15c5a4445a4f1ed6e48e30d703d484180366cdee5290f33031b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de70faf638a2a15c5a4445a4f1ed6e48e30d703d484180366cdee5290f33031b", kill_on_drop: false }`
[INFO] [stdout] de70faf638a2a15c5a4445a4f1ed6e48e30d703d484180366cdee5290f33031b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b92bcce32944acecadf50bc0e1cf3c33d060c17e76e65d0c1d5d93b8570fbc00
[INFO] running `Command { std: "docker" "start" "-a" "b92bcce32944acecadf50bc0e1cf3c33d060c17e76e65d0c1d5d93b8570fbc00", kill_on_drop: false }`
[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 `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] [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 7.16s
[INFO] running `Command { std: "docker" "inspect" "b92bcce32944acecadf50bc0e1cf3c33d060c17e76e65d0c1d5d93b8570fbc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b92bcce32944acecadf50bc0e1cf3c33d060c17e76e65d0c1d5d93b8570fbc00", kill_on_drop: false }`
[INFO] [stdout] b92bcce32944acecadf50bc0e1cf3c33d060c17e76e65d0c1d5d93b8570fbc00