[INFO] fetching crate fixed_width_derive 0.4.0...
[INFO] testing fixed_width_derive-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fixed_width_derive 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fixed_width_derive 0.4.0 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 fixed_width_derive 0.4.0
[INFO] finished tweaking crates.io crate fixed_width_derive 0.4.0
[INFO] tweaked toml for crates.io crate fixed_width_derive 0.4.0 written to /workspace/builds/worker-7/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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53fa8b8d8d07cd39728996c5978ca17123d843ad428bf008089eb8c2ca5fbde7
[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" "53fa8b8d8d07cd39728996c5978ca17123d843ad428bf008089eb8c2ca5fbde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53fa8b8d8d07cd39728996c5978ca17123d843ad428bf008089eb8c2ca5fbde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53fa8b8d8d07cd39728996c5978ca17123d843ad428bf008089eb8c2ca5fbde7", kill_on_drop: false }`
[INFO] [stdout] 53fa8b8d8d07cd39728996c5978ca17123d843ad428bf008089eb8c2ca5fbde7
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f538af028696ce38800544df1d11abc3f847d7d39a3ad0802012222e620f9fb
[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" "4f538af028696ce38800544df1d11abc3f847d7d39a3ad0802012222e620f9fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed_width v0.3.0
[INFO] [stderr]    Compiling fixed_width_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "4f538af028696ce38800544df1d11abc3f847d7d39a3ad0802012222e620f9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f538af028696ce38800544df1d11abc3f847d7d39a3ad0802012222e620f9fb", kill_on_drop: false }`
[INFO] [stdout] 4f538af028696ce38800544df1d11abc3f847d7d39a3ad0802012222e620f9fb
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed0a08cbd864af40725e39b4f08b59d644bddde2b6447c00c6ea07f0d291bbf0
[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" "ed0a08cbd864af40725e39b4f08b59d644bddde2b6447c00c6ea07f0d291bbf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed_width_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "ed0a08cbd864af40725e39b4f08b59d644bddde2b6447c00c6ea07f0d291bbf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed0a08cbd864af40725e39b4f08b59d644bddde2b6447c00c6ea07f0d291bbf0", kill_on_drop: false }`
[INFO] [stdout] ed0a08cbd864af40725e39b4f08b59d644bddde2b6447c00c6ea07f0d291bbf0
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08dd3c8b50d6c0d852d9128aa97d652725546ca73a2afedfe4a948c27d91ee4f
[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" "08dd3c8b50d6c0d852d9128aa97d652725546ca73a2afedfe4a948c27d91ee4f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fixed_width_derive-9b446e9d0da6d8ad
[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] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_test-ae41fa38d1418ffc
[INFO] [stdout] test test_deserialize_optionals ... ok
[INFO] [stderr]    Doc-tests fixed_width_derive
[INFO] [stdout] test test_serialize_optionals ... ok
[INFO] [stdout] test test_from_fixed_record_when_input_is_too_small ... ok
[INFO] [stdout] test test_deserialize_multiple ... ok
[INFO] [stdout] test test_multiple_record_types ... ok
[INFO] [stdout] test test_serialize ... ok
[INFO] [stdout] test test_deserialize_with_skipped_fields ... ok
[INFO] [stdout] test test_deserialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08dd3c8b50d6c0d852d9128aa97d652725546ca73a2afedfe4a948c27d91ee4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08dd3c8b50d6c0d852d9128aa97d652725546ca73a2afedfe4a948c27d91ee4f", kill_on_drop: false }`
[INFO] [stdout] 08dd3c8b50d6c0d852d9128aa97d652725546ca73a2afedfe4a948c27d91ee4f