[INFO] cloning repository https://github.com/Bietola/a_get_vol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bietola/a_get_vol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBietola%2Fa_get_vol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBietola%2Fa_get_vol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43a239ed9a679f01b7608ffb1fcc42ea2b3c9ca3
[INFO] testing Bietola/a_get_vol against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBietola%2Fa_get_vol" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bietola/a_get_vol 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/Bietola/a_get_vol
[INFO] finished tweaking git repo https://github.com/Bietola/a_get_vol
[INFO] tweaked toml for git repo https://github.com/Bietola/a_get_vol written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Bietola/a_get_vol 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 60df4cb7faba038166c4bf1153eafbb46e776524f87bc8a700131b80de2ce71c
[INFO] running `Command { std: "docker" "start" "-a" "60df4cb7faba038166c4bf1153eafbb46e776524f87bc8a700131b80de2ce71c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60df4cb7faba038166c4bf1153eafbb46e776524f87bc8a700131b80de2ce71c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60df4cb7faba038166c4bf1153eafbb46e776524f87bc8a700131b80de2ce71c", kill_on_drop: false }`
[INFO] [stdout] 60df4cb7faba038166c4bf1153eafbb46e776524f87bc8a700131b80de2ce71c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d8e8a7713ca780b7c8afe8455a36af267b8b344b32f1d7d8a9573c39ee66179
[INFO] running `Command { std: "docker" "start" "-a" "4d8e8a7713ca780b7c8afe8455a36af267b8b344b32f1d7d8a9573c39ee66179", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling show_vol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `Command { std: "docker" "inspect" "4d8e8a7713ca780b7c8afe8455a36af267b8b344b32f1d7d8a9573c39ee66179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8e8a7713ca780b7c8afe8455a36af267b8b344b32f1d7d8a9573c39ee66179", kill_on_drop: false }`
[INFO] [stdout] 4d8e8a7713ca780b7c8afe8455a36af267b8b344b32f1d7d8a9573c39ee66179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4e6635819db2b9825c5e74588f27757dbbf1f9f2bf39eb190e1979154ccef705
[INFO] running `Command { std: "docker" "start" "-a" "4e6635819db2b9825c5e74588f27757dbbf1f9f2bf39eb190e1979154ccef705", kill_on_drop: false }`
[INFO] [stderr]    Compiling show_vol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "4e6635819db2b9825c5e74588f27757dbbf1f9f2bf39eb190e1979154ccef705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6635819db2b9825c5e74588f27757dbbf1f9f2bf39eb190e1979154ccef705", kill_on_drop: false }`
[INFO] [stdout] 4e6635819db2b9825c5e74588f27757dbbf1f9f2bf39eb190e1979154ccef705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 66a6de09a80d1e466cbe6580fb15ca6759ded66cde356769a0f97c88042b9418
[INFO] running `Command { std: "docker" "start" "-a" "66a6de09a80d1e466cbe6580fb15ca6759ded66cde356769a0f97c88042b9418", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/show_vol-4f7393511855c2a4
[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] running `Command { std: "docker" "inspect" "66a6de09a80d1e466cbe6580fb15ca6759ded66cde356769a0f97c88042b9418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a6de09a80d1e466cbe6580fb15ca6759ded66cde356769a0f97c88042b9418", kill_on_drop: false }`
[INFO] [stdout] 66a6de09a80d1e466cbe6580fb15ca6759ded66cde356769a0f97c88042b9418