[INFO] fetching crate lang_tester 0.4.0...
[INFO] testing lang_tester-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate lang_tester 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lang_tester 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 lang_tester 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lang_tester 0.4.0
[INFO] tweaked toml for crates.io crate lang_tester 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate lang_tester 0.4.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a505e90ae1ae2c916632a72782e9e526eb2bf4bfb868f3af6ca2db63f6c19630
[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" "a505e90ae1ae2c916632a72782e9e526eb2bf4bfb868f3af6ca2db63f6c19630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a505e90ae1ae2c916632a72782e9e526eb2bf4bfb868f3af6ca2db63f6c19630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a505e90ae1ae2c916632a72782e9e526eb2bf4bfb868f3af6ca2db63f6c19630", kill_on_drop: false }`
[INFO] [stdout] a505e90ae1ae2c916632a72782e9e526eb2bf4bfb868f3af6ca2db63f6c19630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] eaa3d1a99d110f7fb87b9d1deb504847889453bb3dac8ca4d1b0426c8cd9dcd9
[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" "eaa3d1a99d110f7fb87b9d1deb504847889453bb3dac8ca4d1b0426c8cd9dcd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling fm v0.2.0
[INFO] [stderr]    Compiling lang_tester v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "eaa3d1a99d110f7fb87b9d1deb504847889453bb3dac8ca4d1b0426c8cd9dcd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa3d1a99d110f7fb87b9d1deb504847889453bb3dac8ca4d1b0426c8cd9dcd9", kill_on_drop: false }`
[INFO] [stdout] eaa3d1a99d110f7fb87b9d1deb504847889453bb3dac8ca4d1b0426c8cd9dcd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 86e3ba4f0843178c718f0ffa6af319e0bd8ec80f0f9a348c3476ebf217e44b36
[INFO] running `Command { std: "docker" "start" "-a" "86e3ba4f0843178c718f0ffa6af319e0bd8ec80f0f9a348c3476ebf217e44b36", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling lang_tester v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.77s
[INFO] running `Command { std: "docker" "inspect" "86e3ba4f0843178c718f0ffa6af319e0bd8ec80f0f9a348c3476ebf217e44b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e3ba4f0843178c718f0ffa6af319e0bd8ec80f0f9a348c3476ebf217e44b36", kill_on_drop: false }`
[INFO] [stdout] 86e3ba4f0843178c718f0ffa6af319e0bd8ec80f0f9a348c3476ebf217e44b36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b42f338ea43c98e4601b6790064648df070038343c1ec6ae33e78515f8a8e0d3
[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" "b42f338ea43c98e4601b6790064648df070038343c1ec6ae33e78515f8a8e0d3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lang_tester-fc1354e375d4032c
[INFO] [stderr]    Doc-tests lang_tester
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parser::test::test_key_multiline ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 62) ... ignored
[INFO] [stdout] test src/tester.rs - tester::LangTester::fm_options (line 171) ... ignored
[INFO] [stdout] test src/tester.rs - tester::LangTester::test_cmds (line 195) ... ignored
[INFO] [stdout] test src/tester.rs - tester::LangTester::test_extract (line 137) ... ignored
[INFO] [stdout] test src/tester.rs - tester::LangTester::test_file_filter (line 114) ... ignored
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b42f338ea43c98e4601b6790064648df070038343c1ec6ae33e78515f8a8e0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42f338ea43c98e4601b6790064648df070038343c1ec6ae33e78515f8a8e0d3", kill_on_drop: false }`
[INFO] [stdout] b42f338ea43c98e4601b6790064648df070038343c1ec6ae33e78515f8a8e0d3