[INFO] fetching crate mail 0.7.0...
[INFO] testing mail-0.7.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mail 0.7.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mail 0.7.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mail 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mail 0.7.0
[INFO] tweaked toml for crates.io crate mail 0.7.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mail 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.48
[INFO] [stderr]   Downloaded vcpkg v0.2.9
[INFO] [stderr]   Downloaded checked_command v0.2.2
[INFO] [stderr]   Downloaded object v0.19.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.2
[INFO] [stderr]   Downloaded gimli v0.21.0
[INFO] [stderr]   Downloaded addr2line v0.12.1
[INFO] [stderr]   Downloaded vec1 v1.5.0
[INFO] [stderr]   Downloaded rpassword v2.1.0
[INFO] [stderr]   Downloaded mail-smtp v0.3.0
[INFO] [stderr]   Downloaded new-tokio-smtp v0.9.0
[INFO] [stderr]   Downloaded mail-template v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77238339b99e16b6bf785784a9fa686f05243802595d8e0dcab9e92287c2c3e5
[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" "77238339b99e16b6bf785784a9fa686f05243802595d8e0dcab9e92287c2c3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77238339b99e16b6bf785784a9fa686f05243802595d8e0dcab9e92287c2c3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77238339b99e16b6bf785784a9fa686f05243802595d8e0dcab9e92287c2c3e5", kill_on_drop: false }`
[INFO] [stdout] 77238339b99e16b6bf785784a9fa686f05243802595d8e0dcab9e92287c2c3e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b16c63ea052219b00eed15cb69a5a95b618fae96f30d3a4dc7409387d53b07f
[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" "7b16c63ea052219b00eed15cb69a5a95b618fae96f30d3a4dc7409387d53b07f", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling vec1 v1.5.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling mail-internals v0.2.3
[INFO] [stderr]    Compiling mail-headers v0.6.6
[INFO] [stderr]    Compiling mail-core v0.6.2
[INFO] [stderr]    Compiling mail-template v0.6.1
[INFO] [stderr]    Compiling mail v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.30s
[INFO] running `Command { std: "docker" "inspect" "7b16c63ea052219b00eed15cb69a5a95b618fae96f30d3a4dc7409387d53b07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b16c63ea052219b00eed15cb69a5a95b618fae96f30d3a4dc7409387d53b07f", kill_on_drop: false }`
[INFO] [stdout] 7b16c63ea052219b00eed15cb69a5a95b618fae96f30d3a4dc7409387d53b07f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f5e67b7c423f1a29f5e554f3a26982eddf58d3489eb5604fe14c88d114791e1
[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" "6f5e67b7c423f1a29f5e554f3a26982eddf58d3489eb5604fe14c88d114791e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling rpassword v2.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-uds v0.2.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling mail v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.38s
[INFO] running `Command { std: "docker" "inspect" "6f5e67b7c423f1a29f5e554f3a26982eddf58d3489eb5604fe14c88d114791e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5e67b7c423f1a29f5e554f3a26982eddf58d3489eb5604fe14c88d114791e1", kill_on_drop: false }`
[INFO] [stdout] 6f5e67b7c423f1a29f5e554f3a26982eddf58d3489eb5604fe14c88d114791e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b83dc0db39d1c0e81e06b5a1ae7a8156bd09e00deeb3240411780e8227180d0
[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" "8b83dc0db39d1c0e81e06b5a1ae7a8156bd09e00deeb3240411780e8227180d0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mail-8f3288e11d1cb577)
[INFO] [stderr]    Doc-tests mail
[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] [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" "8b83dc0db39d1c0e81e06b5a1ae7a8156bd09e00deeb3240411780e8227180d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b83dc0db39d1c0e81e06b5a1ae7a8156bd09e00deeb3240411780e8227180d0", kill_on_drop: false }`
[INFO] [stdout] 8b83dc0db39d1c0e81e06b5a1ae7a8156bd09e00deeb3240411780e8227180d0