[INFO] fetching crate impl-codec 0.4.2...
[INFO] testing impl-codec-0.4.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate impl-codec 0.4.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate impl-codec 0.4.2 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 crates.io crate impl-codec 0.4.2
[INFO] finished tweaking crates.io crate impl-codec 0.4.2
[INFO] tweaked toml for crates.io crate impl-codec 0.4.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a10b0daa5c2c6ac1050a1bdc0c5680ad1055b5843f308bb278dad8153901d5e8
[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" "a10b0daa5c2c6ac1050a1bdc0c5680ad1055b5843f308bb278dad8153901d5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a10b0daa5c2c6ac1050a1bdc0c5680ad1055b5843f308bb278dad8153901d5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10b0daa5c2c6ac1050a1bdc0c5680ad1055b5843f308bb278dad8153901d5e8", kill_on_drop: false }`
[INFO] [stdout] a10b0daa5c2c6ac1050a1bdc0c5680ad1055b5843f308bb278dad8153901d5e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+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] f79609d48087a3713b2bc5db90b65d2a7d61e646cc454a71d5dfe66a9207676d
[INFO] running `Command { std: "docker" "start" "-a" "f79609d48087a3713b2bc5db90b65d2a7d61e646cc454a71d5dfe66a9207676d", kill_on_drop: false }`
[INFO] [stderr]    Compiling parity-scale-codec v1.3.5
[INFO] [stderr]    Compiling impl-codec v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.34s
[INFO] running `Command { std: "docker" "inspect" "f79609d48087a3713b2bc5db90b65d2a7d61e646cc454a71d5dfe66a9207676d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f79609d48087a3713b2bc5db90b65d2a7d61e646cc454a71d5dfe66a9207676d", kill_on_drop: false }`
[INFO] [stdout] f79609d48087a3713b2bc5db90b65d2a7d61e646cc454a71d5dfe66a9207676d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+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] a4767b5b3a000b251f13d623a3709369f61b4d2e92f9cdde5f05cea22a709ddb
[INFO] running `Command { std: "docker" "start" "-a" "a4767b5b3a000b251f13d623a3709369f61b4d2e92f9cdde5f05cea22a709ddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling impl-codec v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "a4767b5b3a000b251f13d623a3709369f61b4d2e92f9cdde5f05cea22a709ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4767b5b3a000b251f13d623a3709369f61b4d2e92f9cdde5f05cea22a709ddb", kill_on_drop: false }`
[INFO] [stdout] a4767b5b3a000b251f13d623a3709369f61b4d2e92f9cdde5f05cea22a709ddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+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] 51591936b6a54ae8a276afc48678e4b50bc5b7201ae3a52a02c4df6357a2a4eb
[INFO] running `Command { std: "docker" "start" "-a" "51591936b6a54ae8a276afc48678e4b50bc5b7201ae3a52a02c4df6357a2a4eb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/impl_codec-50aeb361f9f64c5a
[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]    Doc-tests impl-codec
[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" "51591936b6a54ae8a276afc48678e4b50bc5b7201ae3a52a02c4df6357a2a4eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51591936b6a54ae8a276afc48678e4b50bc5b7201ae3a52a02c4df6357a2a4eb", kill_on_drop: false }`
[INFO] [stdout] 51591936b6a54ae8a276afc48678e4b50bc5b7201ae3a52a02c4df6357a2a4eb