[INFO] fetching crate strict 0.1.4...
[INFO] testing strict-0.1.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate strict 0.1.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate strict 0.1.4 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 strict 0.1.4
[INFO] finished tweaking crates.io crate strict 0.1.4
[INFO] tweaked toml for crates.io crate strict 0.1.4 written to /workspace/builds/worker-12/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] afe916ffbffc29ead9f80d49b0201bfb45a353cae089304d82dc88fc64b4e295
[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" "afe916ffbffc29ead9f80d49b0201bfb45a353cae089304d82dc88fc64b4e295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afe916ffbffc29ead9f80d49b0201bfb45a353cae089304d82dc88fc64b4e295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afe916ffbffc29ead9f80d49b0201bfb45a353cae089304d82dc88fc64b4e295", kill_on_drop: false }`
[INFO] [stdout] afe916ffbffc29ead9f80d49b0201bfb45a353cae089304d82dc88fc64b4e295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a649c50046806b36e1b8b1bd161c5161bcc259e4e6a52fb71a2d4bdbdb6febdc
[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" "a649c50046806b36e1b8b1bd161c5161bcc259e4e6a52fb71a2d4bdbdb6febdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling strict v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "a649c50046806b36e1b8b1bd161c5161bcc259e4e6a52fb71a2d4bdbdb6febdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a649c50046806b36e1b8b1bd161c5161bcc259e4e6a52fb71a2d4bdbdb6febdc", kill_on_drop: false }`
[INFO] [stdout] a649c50046806b36e1b8b1bd161c5161bcc259e4e6a52fb71a2d4bdbdb6febdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c28371cdb6f05cf5fc562cea484ed87e7e6665f15abb2bf984234053d92b3359
[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" "c28371cdb6f05cf5fc562cea484ed87e7e6665f15abb2bf984234053d92b3359", kill_on_drop: false }`
[INFO] [stderr]    Compiling strict v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "c28371cdb6f05cf5fc562cea484ed87e7e6665f15abb2bf984234053d92b3359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28371cdb6f05cf5fc562cea484ed87e7e6665f15abb2bf984234053d92b3359", kill_on_drop: false }`
[INFO] [stdout] c28371cdb6f05cf5fc562cea484ed87e7e6665f15abb2bf984234053d92b3359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 72c06b5dfc32fcaeb3f4b23c123a5c2fc0a20a5cb3d6014ff36afd389de8d54c
[INFO] running `Command { std: "docker" "start" "-a" "72c06b5dfc32fcaeb3f4b23c123a5c2fc0a20a5cb3d6014ff36afd389de8d54c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/strict-b49f04c9f40092dd
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests strict
[INFO] [stdout] test non_empty_vec::non_empty_vec_tests::test_pop_push ... 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" "72c06b5dfc32fcaeb3f4b23c123a5c2fc0a20a5cb3d6014ff36afd389de8d54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72c06b5dfc32fcaeb3f4b23c123a5c2fc0a20a5cb3d6014ff36afd389de8d54c", kill_on_drop: false }`
[INFO] [stdout] 72c06b5dfc32fcaeb3f4b23c123a5c2fc0a20a5cb3d6014ff36afd389de8d54c