[INFO] fetching crate namedarg_hack 0.1.1474613452...
[INFO] testing namedarg_hack-0.1.1474613452 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate namedarg_hack 0.1.1474613452 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate namedarg_hack 0.1.1474613452 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 crates.io crate namedarg_hack 0.1.1474613452
[INFO] finished tweaking crates.io crate namedarg_hack 0.1.1474613452
[INFO] tweaked toml for crates.io crate namedarg_hack 0.1.1474613452 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b612176c5128810cf8c64beba2258a5faee45f08da033aae3c52f69ab6009d60
[INFO] running `Command { std: "docker" "start" "-a" "b612176c5128810cf8c64beba2258a5faee45f08da033aae3c52f69ab6009d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b612176c5128810cf8c64beba2258a5faee45f08da033aae3c52f69ab6009d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b612176c5128810cf8c64beba2258a5faee45f08da033aae3c52f69ab6009d60", kill_on_drop: false }`
[INFO] [stdout] b612176c5128810cf8c64beba2258a5faee45f08da033aae3c52f69ab6009d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bdede80b0d399d82d8019c740f895edc5b363e061c5b4bea4f8af3e2992e1a80
[INFO] running `Command { std: "docker" "start" "-a" "bdede80b0d399d82d8019c740f895edc5b363e061c5b4bea4f8af3e2992e1a80", kill_on_drop: false }`
[INFO] [stderr]    Compiling namedarg_hack v0.1.1474613452 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused closure that must be used
[INFO] [stdout]   --> common-build/set-feature-unless-nightly.rs:14:52
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let is_nightly = stdout.contains("-nightly "); || stdout.contains("-dev ");
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "bdede80b0d399d82d8019c740f895edc5b363e061c5b4bea4f8af3e2992e1a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdede80b0d399d82d8019c740f895edc5b363e061c5b4bea4f8af3e2992e1a80", kill_on_drop: false }`
[INFO] [stdout] bdede80b0d399d82d8019c740f895edc5b363e061c5b4bea4f8af3e2992e1a80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] ad9b51be3c887fb19713059976284de36c3f0bde987e5fb3ad00857be546ffc6
[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" "ad9b51be3c887fb19713059976284de36c3f0bde987e5fb3ad00857be546ffc6", kill_on_drop: false }`
[INFO] [stdout] warning: unused closure that must be used
[INFO] [stdout]   --> common-build/set-feature-unless-nightly.rs:14:52
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let is_nightly = stdout.contains("-nightly "); || stdout.contains("-dev ");
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling namedarg_hack v0.1.1474613452 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "ad9b51be3c887fb19713059976284de36c3f0bde987e5fb3ad00857be546ffc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad9b51be3c887fb19713059976284de36c3f0bde987e5fb3ad00857be546ffc6", kill_on_drop: false }`
[INFO] [stdout] ad9b51be3c887fb19713059976284de36c3f0bde987e5fb3ad00857be546ffc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] bac8f6b7fa7f087ae07598aca608cfa04e0e1f95166e246fce19873702cb9c3c
[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" "bac8f6b7fa7f087ae07598aca608cfa04e0e1f95166e246fce19873702cb9c3c", kill_on_drop: false }`
[INFO] [stderr] warning: unused closure that must be used
[INFO] [stderr]   --> common-build/set-feature-unless-nightly.rs:14:52
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let is_nightly = stdout.contains("-nightly "); || stdout.contains("-dev ");
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/namedarg_hack-2533f05287225347
[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" "bac8f6b7fa7f087ae07598aca608cfa04e0e1f95166e246fce19873702cb9c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac8f6b7fa7f087ae07598aca608cfa04e0e1f95166e246fce19873702cb9c3c", kill_on_drop: false }`
[INFO] [stdout] bac8f6b7fa7f087ae07598aca608cfa04e0e1f95166e246fce19873702cb9c3c