[INFO] fetching crate mei 0.1.1...
[INFO] testing mei-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mei 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mei 0.1.1 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 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-2/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polyval v0.4.1
[INFO] [stderr]   Downloaded aesni v0.10.0
[INFO] [stderr]   Downloaded aes-soft v0.6.3
[INFO] [stderr]   Downloaded aes-gcm v0.8.0
[INFO] [stderr]   Downloaded aes v0.6.0
[INFO] [stderr]   Downloaded ctr v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 148fe1c59e2593391441e1e52ff6b172f8c3ec51e7b70b9d4ed4b1a2fd44d4b2
[INFO] running `Command { std: "docker" "start" "-a" "148fe1c59e2593391441e1e52ff6b172f8c3ec51e7b70b9d4ed4b1a2fd44d4b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "148fe1c59e2593391441e1e52ff6b172f8c3ec51e7b70b9d4ed4b1a2fd44d4b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "148fe1c59e2593391441e1e52ff6b172f8c3ec51e7b70b9d4ed4b1a2fd44d4b2", kill_on_drop: false }`
[INFO] [stdout] 148fe1c59e2593391441e1e52ff6b172f8c3ec51e7b70b9d4ed4b1a2fd44d4b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 824d5de8de48d312ad2f2070b2229fd2bf59941a4459812b4d2c62eba2459464
[INFO] running `Command { std: "docker" "start" "-a" "824d5de8de48d312ad2f2070b2229fd2bf59941a4459812b4d2c62eba2459464", 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 same-file v1.0.6
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling sha2 v0.9.2
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling crypto-mac v0.10.0
[INFO] [stderr]    Compiling aes-soft v0.6.3
[INFO] [stderr]    Compiling salsa20 v0.7.2
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling brotli-decompressor v2.3.1
[INFO] [stderr]    Compiling polyval v0.4.1
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling pbkdf2 v0.6.0
[INFO] [stderr]    Compiling ghash v0.3.0
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling aes-gcm v0.8.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling brotli v3.3.0
[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 46.60s
[INFO] running `Command { std: "docker" "inspect" "824d5de8de48d312ad2f2070b2229fd2bf59941a4459812b4d2c62eba2459464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824d5de8de48d312ad2f2070b2229fd2bf59941a4459812b4d2c62eba2459464", kill_on_drop: false }`
[INFO] [stdout] 824d5de8de48d312ad2f2070b2229fd2bf59941a4459812b4d2c62eba2459464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0b0f2bb23359df55db0181f267968b81b9f70eab438edf8101bdd377fd49a13f
[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" "0b0f2bb23359df55db0181f267968b81b9f70eab438edf8101bdd377fd49a13f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mei v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.86s
[INFO] running `Command { std: "docker" "inspect" "0b0f2bb23359df55db0181f267968b81b9f70eab438edf8101bdd377fd49a13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0f2bb23359df55db0181f267968b81b9f70eab438edf8101bdd377fd49a13f", kill_on_drop: false }`
[INFO] [stdout] 0b0f2bb23359df55db0181f267968b81b9f70eab438edf8101bdd377fd49a13f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7d3c449583c8b6dfb99daf005d0fabd875272ea96c664e31a58a5155ea5aa1f3
[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" "7d3c449583c8b6dfb99daf005d0fabd875272ea96c664e31a58a5155ea5aa1f3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mei-cbb81e046b82845c
[INFO] [stdout] test tests::test_version ... ok
[INFO] [stdout] test tests::test_archive ... ok
[INFO] [stdout] test tests::test_head ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mei-c157945b877988f1
[INFO] [stdout] test tests::test_scrypt_params ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests mei
[INFO] [stdout] test lib::tests::test_archive ... ok
[INFO] [stdout] test lib::tests::test_head ... ok
[INFO] [stdout] test lib::tests::test_scrypt_params ... 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; finished in 0.01s
[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" "7d3c449583c8b6dfb99daf005d0fabd875272ea96c664e31a58a5155ea5aa1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3c449583c8b6dfb99daf005d0fabd875272ea96c664e31a58a5155ea5aa1f3", kill_on_drop: false }`
[INFO] [stdout] 7d3c449583c8b6dfb99daf005d0fabd875272ea96c664e31a58a5155ea5aa1f3