[INFO] cloning repository https://github.com/dihedral-codes/rust-bin-necks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dihedral-codes/rust-bin-necks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdihedral-codes%2Frust-bin-necks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdihedral-codes%2Frust-bin-necks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f503653d1a3dd90644b5b6acc62782fa9e7ae427
[INFO] testing dihedral-codes/rust-bin-necks against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdihedral-codes%2Frust-bin-necks" "/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/dihedral-codes/rust-bin-necks on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dihedral-codes/rust-bin-necks
[INFO] finished tweaking git repo https://github.com/dihedral-codes/rust-bin-necks
[INFO] tweaked toml for git repo https://github.com/dihedral-codes/rust-bin-necks written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dihedral-codes/rust-bin-necks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "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] 1d2dbbd7be92a457672d97e90019b3534e5b827cc43c5c82a8d34ae0ea7c6b1e
[INFO] running `Command { std: "docker" "start" "-a" "1d2dbbd7be92a457672d97e90019b3534e5b827cc43c5c82a8d34ae0ea7c6b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d2dbbd7be92a457672d97e90019b3534e5b827cc43c5c82a8d34ae0ea7c6b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d2dbbd7be92a457672d97e90019b3534e5b827cc43c5c82a8d34ae0ea7c6b1e", kill_on_drop: false }`
[INFO] [stdout] 1d2dbbd7be92a457672d97e90019b3534e5b827cc43c5c82a8d34ae0ea7c6b1e
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 132f7494a3a35a70c91ab07a4237aae086bd8fb9327eaae13963fd48e1c52eb6
[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" "132f7494a3a35a70c91ab07a4237aae086bd8fb9327eaae13963fd48e1c52eb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-bin-necks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "132f7494a3a35a70c91ab07a4237aae086bd8fb9327eaae13963fd48e1c52eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132f7494a3a35a70c91ab07a4237aae086bd8fb9327eaae13963fd48e1c52eb6", kill_on_drop: false }`
[INFO] [stdout] 132f7494a3a35a70c91ab07a4237aae086bd8fb9327eaae13963fd48e1c52eb6
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d20982f0f712346007c23a0bef82cc6c5aae08a0b713b28e9c1923ab4d24efa4
[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" "d20982f0f712346007c23a0bef82cc6c5aae08a0b713b28e9c1923ab4d24efa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-bin-necks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "d20982f0f712346007c23a0bef82cc6c5aae08a0b713b28e9c1923ab4d24efa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20982f0f712346007c23a0bef82cc6c5aae08a0b713b28e9c1923ab4d24efa4", kill_on_drop: false }`
[INFO] [stdout] d20982f0f712346007c23a0bef82cc6c5aae08a0b713b28e9c1923ab4d24efa4
[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" "+1.49.0" "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] 47464ed900a7d1f2308097a873cd6ce26e2617ea2f1ac5e226dea8c7d97e563f
[INFO] running `Command { std: "docker" "start" "-a" "47464ed900a7d1f2308097a873cd6ce26e2617ea2f1ac5e226dea8c7d97e563f", kill_on_drop: false }`
[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
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_bin_necks-69e2fa32996d3bb3
[INFO] running `Command { std: "docker" "inspect" "47464ed900a7d1f2308097a873cd6ce26e2617ea2f1ac5e226dea8c7d97e563f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47464ed900a7d1f2308097a873cd6ce26e2617ea2f1ac5e226dea8c7d97e563f", kill_on_drop: false }`
[INFO] [stdout] 47464ed900a7d1f2308097a873cd6ce26e2617ea2f1ac5e226dea8c7d97e563f