[INFO] fetching crate mei 0.1.1...
[INFO] testing mei-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mei 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mei 0.1.1 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 mei 0.1.1
[INFO] finished tweaking crates.io crate mei 0.1.1
[INFO] tweaked toml for crates.io crate mei 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate mei 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b061b7f1a7dd04ee84a006d7b3de4ff8353159a00fad86bc6a4a565d064fe6df
[INFO] running `Command { std: "docker" "start" "-a" "b061b7f1a7dd04ee84a006d7b3de4ff8353159a00fad86bc6a4a565d064fe6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b061b7f1a7dd04ee84a006d7b3de4ff8353159a00fad86bc6a4a565d064fe6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b061b7f1a7dd04ee84a006d7b3de4ff8353159a00fad86bc6a4a565d064fe6df", kill_on_drop: false }`
[INFO] [stdout] b061b7f1a7dd04ee84a006d7b3de4ff8353159a00fad86bc6a4a565d064fe6df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 242ca7ebf619e4e3f368f55c9291fb8aae021dd4a02c7f2558f7b8a90d9725ee
[INFO] running `Command { std: "docker" "start" "-a" "242ca7ebf619e4e3f368f55c9291fb8aae021dd4a02c7f2558f7b8a90d9725ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling brotli-decompressor v2.3.1
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.10.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling pbkdf2 v0.6.0
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling polyval v0.4.1
[INFO] [stderr]    Compiling sha2 v0.9.2
[INFO] [stderr]    Compiling aes-soft v0.6.3
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling salsa20 v0.7.2
[INFO] [stderr]    Compiling ghash v0.3.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling aes-gcm v0.8.0
[INFO] [stderr]    Compiling brotli v3.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling scrypt v0.5.0
[INFO] [stderr]    Compiling mei v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.88s
[INFO] running `Command { std: "docker" "inspect" "242ca7ebf619e4e3f368f55c9291fb8aae021dd4a02c7f2558f7b8a90d9725ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "242ca7ebf619e4e3f368f55c9291fb8aae021dd4a02c7f2558f7b8a90d9725ee", kill_on_drop: false }`
[INFO] [stdout] 242ca7ebf619e4e3f368f55c9291fb8aae021dd4a02c7f2558f7b8a90d9725ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 85c21a440d97d87236c65e97887549a3ab6dfda89ea0ed27976699f26391d633
[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" "85c21a440d97d87236c65e97887549a3ab6dfda89ea0ed27976699f26391d633", kill_on_drop: false }`
[INFO] [stderr]    Compiling mei v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.03s
[INFO] running `Command { std: "docker" "inspect" "85c21a440d97d87236c65e97887549a3ab6dfda89ea0ed27976699f26391d633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c21a440d97d87236c65e97887549a3ab6dfda89ea0ed27976699f26391d633", kill_on_drop: false }`
[INFO] [stdout] 85c21a440d97d87236c65e97887549a3ab6dfda89ea0ed27976699f26391d633
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 46cc9ca11138aa6a42a35cdeb5fd5880708c9768ab50fff0a9a394b8bac01e8c
[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" "46cc9ca11138aa6a42a35cdeb5fd5880708c9768ab50fff0a9a394b8bac01e8c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mei-29df61ba6f09c449
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_head ... ok
[INFO] [stdout] test tests::test_scrypt_params ... ok
[INFO] [stdout] test tests::test_version ... ok
[INFO] [stdout] test tests::test_archive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mei-b0c253dae5a4c4bb
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test lib::tests::test_scrypt_params ... ok
[INFO] [stdout] test lib::tests::test_archive ... ok
[INFO] [stdout] test lib::tests::test_head ... ok
[INFO] [stdout] test lib::tests::test_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mei
[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] running `Command { std: "docker" "inspect" "46cc9ca11138aa6a42a35cdeb5fd5880708c9768ab50fff0a9a394b8bac01e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46cc9ca11138aa6a42a35cdeb5fd5880708c9768ab50fff0a9a394b8bac01e8c", kill_on_drop: false }`
[INFO] [stdout] 46cc9ca11138aa6a42a35cdeb5fd5880708c9768ab50fff0a9a394b8bac01e8c