[INFO] fetching crate tagref 1.4.1...
[INFO] testing tagref-1.4.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tagref 1.4.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tagref 1.4.1 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 tagref 1.4.1
[INFO] finished tweaking crates.io crate tagref 1.4.1
[INFO] tweaked toml for crates.io crate tagref 1.4.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate tagref 1.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v1.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 4259f3cad3b0b5dac4da8f13f8f2803bccbd36c3e878147d16291aebf3c770d3
[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" "4259f3cad3b0b5dac4da8f13f8f2803bccbd36c3e878147d16291aebf3c770d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4259f3cad3b0b5dac4da8f13f8f2803bccbd36c3e878147d16291aebf3c770d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4259f3cad3b0b5dac4da8f13f8f2803bccbd36c3e878147d16291aebf3c770d3", kill_on_drop: false }`
[INFO] [stdout] 4259f3cad3b0b5dac4da8f13f8f2803bccbd36c3e878147d16291aebf3c770d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 0a8080918e4d75655ba515e7ce64fe699c1796b087499db2826280e410ad7f1f
[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" "0a8080918e4d75655ba515e7ce64fe699c1796b087499db2826280e410ad7f1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling colored v1.9.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling ignore v0.4.16
[INFO] [stderr]    Compiling tagref v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.60s
[INFO] running `Command { std: "docker" "inspect" "0a8080918e4d75655ba515e7ce64fe699c1796b087499db2826280e410ad7f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8080918e4d75655ba515e7ce64fe699c1796b087499db2826280e410ad7f1f", kill_on_drop: false }`
[INFO] [stdout] 0a8080918e4d75655ba515e7ce64fe699c1796b087499db2826280e410ad7f1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e9744b5e1a0af05f7e3712fc6b83f95ebc0116f0789db122d0bd062d7036a983
[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" "e9744b5e1a0af05f7e3712fc6b83f95ebc0116f0789db122d0bd062d7036a983", kill_on_drop: false }`
[INFO] [stderr]    Compiling tagref v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "e9744b5e1a0af05f7e3712fc6b83f95ebc0116f0789db122d0bd062d7036a983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9744b5e1a0af05f7e3712fc6b83f95ebc0116f0789db122d0bd062d7036a983", kill_on_drop: false }`
[INFO] [stdout] e9744b5e1a0af05f7e3712fc6b83f95ebc0116f0789db122d0bd062d7036a983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] bec4fc703a3ab98158a5ec9434bbc1b99b5c4d9f5d2787266b6836d9ee49e79f
[INFO] running `Command { std: "docker" "start" "-a" "bec4fc703a3ab98158a5ec9434bbc1b99b5c4d9f5d2787266b6836d9ee49e79f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tagref-43f79f07eeeebd1c
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test count::tests::count_one ... ok
[INFO] [stdout] test duplicates::tests::check_dupes ... ok
[INFO] [stdout] test duplicates::tests::check_no_dupes ... ok
[INFO] [stdout] test count::tests::count_two ... ok
[INFO] [stdout] test duplicates::tests::check_empty ... ok
[INFO] [stdout] test count::tests::count_zero ... ok
[INFO] [stdout] test label::tests::parse_case ... ok
[INFO] [stdout] test label::tests::parse_empty ... ok
[INFO] [stdout] test references::tests::check_empty ... ok
[INFO] [stdout] test references::tests::check_ok ... ok
[INFO] [stdout] test label::tests::parse_multiple_lines ... ok
[INFO] [stdout] test label::tests::parse_multiple_per_line ... ok
[INFO] [stdout] test label::tests::parse_tag_basic ... ok
[INFO] [stdout] test label::tests::parse_whitespace ... ok
[INFO] [stdout] test references::tests::check_missing ... ok
[INFO] [stdout] test label::tests::parse_ref_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bec4fc703a3ab98158a5ec9434bbc1b99b5c4d9f5d2787266b6836d9ee49e79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec4fc703a3ab98158a5ec9434bbc1b99b5c4d9f5d2787266b6836d9ee49e79f", kill_on_drop: false }`
[INFO] [stdout] bec4fc703a3ab98158a5ec9434bbc1b99b5c4d9f5d2787266b6836d9ee49e79f