[INFO] cloning repository https://github.com/SnowballSH/snake_bf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SnowballSH/snake_bf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnowballSH%2Fsnake_bf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnowballSH%2Fsnake_bf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33b03064b189514d8961636d3eb094d6d6b4b92e
[INFO] testing SnowballSH/snake_bf against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnowballSH%2Fsnake_bf" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SnowballSH/snake_bf on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SnowballSH/snake_bf
[INFO] finished tweaking git repo https://github.com/SnowballSH/snake_bf
[INFO] tweaked toml for git repo https://github.com/SnowballSH/snake_bf written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/SnowballSH/snake_bf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_derive v2.1.0
[INFO] [stderr]   Downloaded byteorder v1.4.3
[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded digest v0.8.1
[INFO] [stderr]   Downloaded block-padding v0.1.5
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded pest v2.1.3
[INFO] [stderr]   Downloaded ucd-trie v0.1.3
[INFO] [stderr]   Downloaded typenum v1.13.0
[INFO] [stderr]   Downloaded maplit v1.0.2
[INFO] [stderr]   Downloaded syn v1.0.71
[INFO] [stderr]   Downloaded generic-array v0.12.4
[INFO] [stderr]   Downloaded pest_meta v2.1.3
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded block-buffer v0.7.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.26
[INFO] [stderr]   Downloaded sha-1 v0.8.2
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded pest_generator v2.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02ebd4e9a5ff8f64237a2e94af02975c166a7b8822d37334b44315c3649e7a55
[INFO] running `Command { std: "docker" "start" "-a" "02ebd4e9a5ff8f64237a2e94af02975c166a7b8822d37334b44315c3649e7a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02ebd4e9a5ff8f64237a2e94af02975c166a7b8822d37334b44315c3649e7a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ebd4e9a5ff8f64237a2e94af02975c166a7b8822d37334b44315c3649e7a55", kill_on_drop: false }`
[INFO] [stdout] 02ebd4e9a5ff8f64237a2e94af02975c166a7b8822d37334b44315c3649e7a55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef5d53a09fbd57f17ea3955428e943790b734f8415c8196a31b682ed9241362d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ef5d53a09fbd57f17ea3955428e943790b734f8415c8196a31b682ed9241362d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling snake_bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.46s
[INFO] running `Command { std: "docker" "inspect" "ef5d53a09fbd57f17ea3955428e943790b734f8415c8196a31b682ed9241362d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5d53a09fbd57f17ea3955428e943790b734f8415c8196a31b682ed9241362d", kill_on_drop: false }`
[INFO] [stdout] ef5d53a09fbd57f17ea3955428e943790b734f8415c8196a31b682ed9241362d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b748a93e65735bd60e121c3ebacfaca3fd14b51291dc40fe08eae893c12397f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b748a93e65735bd60e121c3ebacfaca3fd14b51291dc40fe08eae893c12397f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling snake_bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "4b748a93e65735bd60e121c3ebacfaca3fd14b51291dc40fe08eae893c12397f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b748a93e65735bd60e121c3ebacfaca3fd14b51291dc40fe08eae893c12397f", kill_on_drop: false }`
[INFO] [stdout] 4b748a93e65735bd60e121c3ebacfaca3fd14b51291dc40fe08eae893c12397f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7499cccab3efdeaf54843150df771859f89acf8b89be0a9bf3bfb8419dacfb15
[INFO] running `Command { std: "docker" "start" "-a" "7499cccab3efdeaf54843150df771859f89acf8b89be0a9bf3bfb8419dacfb15", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snake_bf-0e857309b7f842f7)
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "7499cccab3efdeaf54843150df771859f89acf8b89be0a9bf3bfb8419dacfb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7499cccab3efdeaf54843150df771859f89acf8b89be0a9bf3bfb8419dacfb15", kill_on_drop: false }`
[INFO] [stdout] 7499cccab3efdeaf54843150df771859f89acf8b89be0a9bf3bfb8419dacfb15