[INFO] fetching crate ika 0.4.1...
[INFO] testing ika-0.4.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ika 0.4.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ika 0.4.1 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 ika 0.4.1
[INFO] finished tweaking crates.io crate ika 0.4.1
[INFO] tweaked toml for crates.io crate ika 0.4.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate ika 0.4.1 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce99f3b19ef2f9456cc3b7036b65e3bafdc2728ed40bba692a0b5d10a116f0c1
[INFO] running `Command { std: "docker" "start" "-a" "ce99f3b19ef2f9456cc3b7036b65e3bafdc2728ed40bba692a0b5d10a116f0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce99f3b19ef2f9456cc3b7036b65e3bafdc2728ed40bba692a0b5d10a116f0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce99f3b19ef2f9456cc3b7036b65e3bafdc2728ed40bba692a0b5d10a116f0c1", kill_on_drop: false }`
[INFO] [stdout] ce99f3b19ef2f9456cc3b7036b65e3bafdc2728ed40bba692a0b5d10a116f0c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e19d6261c16a7f5f36e3754282f08e3dc192ffff0010ed698d5fbb1a8fb70262
[INFO] running `Command { std: "docker" "start" "-a" "e19d6261c16a7f5f36e3754282f08e3dc192ffff0010ed698d5fbb1a8fb70262", kill_on_drop: false }`
[INFO] [stderr]    Compiling ika v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "e19d6261c16a7f5f36e3754282f08e3dc192ffff0010ed698d5fbb1a8fb70262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19d6261c16a7f5f36e3754282f08e3dc192ffff0010ed698d5fbb1a8fb70262", kill_on_drop: false }`
[INFO] [stdout] e19d6261c16a7f5f36e3754282f08e3dc192ffff0010ed698d5fbb1a8fb70262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e09a512c9a3d541eb3e04c4c1a51e99e3092c9d95d9c1c0c64fa68de3c0dac58
[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" "e09a512c9a3d541eb3e04c4c1a51e99e3092c9d95d9c1c0c64fa68de3c0dac58", kill_on_drop: false }`
[INFO] [stderr]    Compiling ika v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "e09a512c9a3d541eb3e04c4c1a51e99e3092c9d95d9c1c0c64fa68de3c0dac58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09a512c9a3d541eb3e04c4c1a51e99e3092c9d95d9c1c0c64fa68de3c0dac58", kill_on_drop: false }`
[INFO] [stdout] e09a512c9a3d541eb3e04c4c1a51e99e3092c9d95d9c1c0c64fa68de3c0dac58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 80174f59364f603516074532e7c2c8dfe15f830bf8151d6500f6cf976be1ef62
[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" "80174f59364f603516074532e7c2c8dfe15f830bf8151d6500f6cf976be1ef62", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ika-e74802e0d7534962
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ika-370c9cefe16d2886
[INFO] [stdout] test result: ok. 0 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] [stderr]    Doc-tests ika
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80174f59364f603516074532e7c2c8dfe15f830bf8151d6500f6cf976be1ef62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80174f59364f603516074532e7c2c8dfe15f830bf8151d6500f6cf976be1ef62", kill_on_drop: false }`
[INFO] [stdout] 80174f59364f603516074532e7c2c8dfe15f830bf8151d6500f6cf976be1ef62