[INFO] fetching crate rwm 0.0.1...
[INFO] testing rwm-0.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rwm 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rwm 0.0.1 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 rwm 0.0.1
[INFO] finished tweaking crates.io crate rwm 0.0.1
[INFO] tweaked toml for crates.io crate rwm 0.0.1 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] daceca785fc1c349a7f4868851f9275eb2fc862a74616411931b5148af5dba64
[INFO] running `Command { std: "docker" "start" "-a" "daceca785fc1c349a7f4868851f9275eb2fc862a74616411931b5148af5dba64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daceca785fc1c349a7f4868851f9275eb2fc862a74616411931b5148af5dba64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daceca785fc1c349a7f4868851f9275eb2fc862a74616411931b5148af5dba64", kill_on_drop: false }`
[INFO] [stdout] daceca785fc1c349a7f4868851f9275eb2fc862a74616411931b5148af5dba64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d4217a70617c8f0b06a312c32e6d2bf85cbb5b7aa49b6c8036de115d8dd80d51
[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" "d4217a70617c8f0b06a312c32e6d2bf85cbb5b7aa49b6c8036de115d8dd80d51", kill_on_drop: false }`
[INFO] [stderr]    Compiling rwm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "d4217a70617c8f0b06a312c32e6d2bf85cbb5b7aa49b6c8036de115d8dd80d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4217a70617c8f0b06a312c32e6d2bf85cbb5b7aa49b6c8036de115d8dd80d51", kill_on_drop: false }`
[INFO] [stdout] d4217a70617c8f0b06a312c32e6d2bf85cbb5b7aa49b6c8036de115d8dd80d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e38e1db3a60dd979b26a15fae5f8eba16e1ca4aad1afe35c049e0615c779c7b8
[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" "e38e1db3a60dd979b26a15fae5f8eba16e1ca4aad1afe35c049e0615c779c7b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rwm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "e38e1db3a60dd979b26a15fae5f8eba16e1ca4aad1afe35c049e0615c779c7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e38e1db3a60dd979b26a15fae5f8eba16e1ca4aad1afe35c049e0615c779c7b8", kill_on_drop: false }`
[INFO] [stdout] e38e1db3a60dd979b26a15fae5f8eba16e1ca4aad1afe35c049e0615c779c7b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4fbc222cc8186713fc7bb01b6a3c3683bf6cef892c1f5626f64fb871ad4fdfbf
[INFO] running `Command { std: "docker" "start" "-a" "4fbc222cc8186713fc7bb01b6a3c3683bf6cef892c1f5626f64fb871ad4fdfbf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rwm-a0a341c86cea1b1e
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rwm
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "4fbc222cc8186713fc7bb01b6a3c3683bf6cef892c1f5626f64fb871ad4fdfbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbc222cc8186713fc7bb01b6a3c3683bf6cef892c1f5626f64fb871ad4fdfbf", kill_on_drop: false }`
[INFO] [stdout] 4fbc222cc8186713fc7bb01b6a3c3683bf6cef892c1f5626f64fb871ad4fdfbf