[INFO] cloning repository https://github.com/nemo-nullius/sumch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nemo-nullius/sumch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnemo-nullius%2Fsumch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnemo-nullius%2Fsumch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 678c215f1c0890a3fb945460cdc79ed1a9f6dcb6
[INFO] checking nemo-nullius/sumch against try#51b1964e35e5e26f8cd938940f0da6f7b5cc54fc for pr-138176
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnemo-nullius%2Fsumch" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nemo-nullius/sumch on toolchain 51b1964e35e5e26f8cd938940f0da6f7b5cc54fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nemo-nullius/sumch
[INFO] finished tweaking git repo https://github.com/nemo-nullius/sumch
[INFO] tweaked toml for git repo https://github.com/nemo-nullius/sumch written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "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 63 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f93619bddfc2647a0543a6b5586b125dcbab8bfe92d2b5d61617e41d059b2813
[INFO] running `Command { std: "docker" "start" "-a" "f93619bddfc2647a0543a6b5586b125dcbab8bfe92d2b5d61617e41d059b2813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f93619bddfc2647a0543a6b5586b125dcbab8bfe92d2b5d61617e41d059b2813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93619bddfc2647a0543a6b5586b125dcbab8bfe92d2b5d61617e41d059b2813", kill_on_drop: false }`
[INFO] [stdout] f93619bddfc2647a0543a6b5586b125dcbab8bfe92d2b5d61617e41d059b2813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18cdaff5c3d5f0ea1d52220fbc915b2d7b40960ca464ceefe6668d51ffff1711
[INFO] running `Command { std: "docker" "start" "-a" "18cdaff5c3d5f0ea1d52220fbc915b2d7b40960ca464ceefe6668d51ffff1711", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking sumch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stdout] warning: function `result_mix_win` is never used
[INFO] [stdout]   --> src/lib.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn result_mix_win() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.72s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "18cdaff5c3d5f0ea1d52220fbc915b2d7b40960ca464ceefe6668d51ffff1711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18cdaff5c3d5f0ea1d52220fbc915b2d7b40960ca464ceefe6668d51ffff1711", kill_on_drop: false }`
[INFO] [stdout] 18cdaff5c3d5f0ea1d52220fbc915b2d7b40960ca464ceefe6668d51ffff1711