[INFO] cloning repository https://github.com/dgryski/rust-bf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dgryski/rust-bf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgryski%2Frust-bf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgryski%2Frust-bf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59f1ad849237c9abe9d7022991eb055d8d79cee2
[INFO] testing dgryski/rust-bf 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%2Fdgryski%2Frust-bf" "/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/dgryski/rust-bf 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/dgryski/rust-bf
[INFO] finished tweaking git repo https://github.com/dgryski/rust-bf
[INFO] tweaked toml for git repo https://github.com/dgryski/rust-bf written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dgryski/rust-bf 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 271c95c2487247d3cf702e9516ff23a46cb132130c9d00d5c4792c9f2a2d1a46
[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" "271c95c2487247d3cf702e9516ff23a46cb132130c9d00d5c4792c9f2a2d1a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "271c95c2487247d3cf702e9516ff23a46cb132130c9d00d5c4792c9f2a2d1a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271c95c2487247d3cf702e9516ff23a46cb132130c9d00d5c4792c9f2a2d1a46", kill_on_drop: false }`
[INFO] [stdout] 271c95c2487247d3cf702e9516ff23a46cb132130c9d00d5c4792c9f2a2d1a46
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", 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] d98052d88bf4bdc2de259928719b83793e6543d6c43d00c48a02c34e4bc86e02
[INFO] running `Command { std: "docker" "start" "-a" "d98052d88bf4bdc2de259928719b83793e6543d6c43d00c48a02c34e4bc86e02", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "d98052d88bf4bdc2de259928719b83793e6543d6c43d00c48a02c34e4bc86e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98052d88bf4bdc2de259928719b83793e6543d6c43d00c48a02c34e4bc86e02", kill_on_drop: false }`
[INFO] [stdout] d98052d88bf4bdc2de259928719b83793e6543d6c43d00c48a02c34e4bc86e02
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", 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] 990d87cd32521e6c444fa0051d12e4975a485431ec6ceb1d565649692b3767c0
[INFO] running `Command { std: "docker" "start" "-a" "990d87cd32521e6c444fa0051d12e4975a485431ec6ceb1d565649692b3767c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "990d87cd32521e6c444fa0051d12e4975a485431ec6ceb1d565649692b3767c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990d87cd32521e6c444fa0051d12e4975a485431ec6ceb1d565649692b3767c0", kill_on_drop: false }`
[INFO] [stdout] 990d87cd32521e6c444fa0051d12e4975a485431ec6ceb1d565649692b3767c0
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e1687a043485b6fceabcc4b5a43c40a69f59aef8c1f03cc631fec480efe5569
[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" "6e1687a043485b6fceabcc4b5a43c40a69f59aef8c1f03cc631fec480efe5569", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bf-fa9a84067239afef
[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" "6e1687a043485b6fceabcc4b5a43c40a69f59aef8c1f03cc631fec480efe5569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1687a043485b6fceabcc4b5a43c40a69f59aef8c1f03cc631fec480efe5569", kill_on_drop: false }`
[INFO] [stdout] 6e1687a043485b6fceabcc4b5a43c40a69f59aef8c1f03cc631fec480efe5569