[INFO] cloning repository https://github.com/mah-shee/abc174
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mah-shee/abc174" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmah-shee%2Fabc174", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmah-shee%2Fabc174'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a4870a51a5f8dbbf30621fe358f2af2b072a899
[INFO] testing mah-shee/abc174 against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmah-shee%2Fabc174" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mah-shee/abc174 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mah-shee/abc174
[INFO] finished tweaking git repo https://github.com/mah-shee/abc174
[INFO] tweaked toml for git repo https://github.com/mah-shee/abc174 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mah-shee/abc174 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] c70976f607d3b93697463b90e523ee6d6928fe527d832adddd1589f1fa02bfb9
[INFO] running `Command { std: "docker" "start" "-a" "c70976f607d3b93697463b90e523ee6d6928fe527d832adddd1589f1fa02bfb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c70976f607d3b93697463b90e523ee6d6928fe527d832adddd1589f1fa02bfb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70976f607d3b93697463b90e523ee6d6928fe527d832adddd1589f1fa02bfb9", kill_on_drop: false }`
[INFO] [stdout] c70976f607d3b93697463b90e523ee6d6928fe527d832adddd1589f1fa02bfb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de19220fb03a212649bdc6d849c8e20151772bae6b7622d5188f0421c3aefe78
[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" "de19220fb03a212649bdc6d849c8e20151772bae6b7622d5188f0421c3aefe78", kill_on_drop: false }`
[INFO] [stderr]    Compiling abc174 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]  --> src/bin/b.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         d: usize,
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `points`
[INFO] [stdout]  --> src/bin/b.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         points: [(isize, isize); n],
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_points`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "de19220fb03a212649bdc6d849c8e20151772bae6b7622d5188f0421c3aefe78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de19220fb03a212649bdc6d849c8e20151772bae6b7622d5188f0421c3aefe78", kill_on_drop: false }`
[INFO] [stdout] de19220fb03a212649bdc6d849c8e20151772bae6b7622d5188f0421c3aefe78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 975540ad8887cbe8ec17357676b00ffb41e180187ba20e425d51bcb755ea8827
[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" "975540ad8887cbe8ec17357676b00ffb41e180187ba20e425d51bcb755ea8827", kill_on_drop: false }`
[INFO] [stderr]    Compiling abc174 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]  --> src/bin/b.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         d: usize,
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `points`
[INFO] [stdout]  --> src/bin/b.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         points: [(isize, isize); n],
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_points`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "975540ad8887cbe8ec17357676b00ffb41e180187ba20e425d51bcb755ea8827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975540ad8887cbe8ec17357676b00ffb41e180187ba20e425d51bcb755ea8827", kill_on_drop: false }`
[INFO] [stdout] 975540ad8887cbe8ec17357676b00ffb41e180187ba20e425d51bcb755ea8827
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d4d23182fd054c7b81e4a7bcff088cb9a6e232d264d214a4c61c7595fa5efa5
[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" "2d4d23182fd054c7b81e4a7bcff088cb9a6e232d264d214a4c61c7595fa5efa5", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]  --> src/bin/b.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         d: usize,
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `points`
[INFO] [stderr]  --> src/bin/b.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |         points: [(isize, isize); n],
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_points`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/a-e36f2f8dadacd654
[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] [stderr]      Running /opt/rustwide/target/debug/deps/b-9c0874b540c53947
[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] [stderr]      Running /opt/rustwide/target/debug/deps/c-016b570bcbd3d6d3
[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] [stderr]      Running /opt/rustwide/target/debug/deps/d-ac9c2ff669bd789b
[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] [stderr]      Running /opt/rustwide/target/debug/deps/e-505a44991aba5775
[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] [stderr]      Running /opt/rustwide/target/debug/deps/f-06345a83c51a634b
[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" "2d4d23182fd054c7b81e4a7bcff088cb9a6e232d264d214a4c61c7595fa5efa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d4d23182fd054c7b81e4a7bcff088cb9a6e232d264d214a4c61c7595fa5efa5", kill_on_drop: false }`
[INFO] [stdout] 2d4d23182fd054c7b81e4a7bcff088cb9a6e232d264d214a4c61c7595fa5efa5