[INFO] fetching crate mailgang 0.1.3...
[INFO] checking mailgang-0.1.3 against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] extracting crate mailgang 0.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mailgang 0.1.3 on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailgang 0.1.3
[INFO] finished tweaking crates.io crate mailgang 0.1.3
[INFO] tweaked toml for crates.io crate mailgang 0.1.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lettre_email v0.9.4
[INFO] [stderr]   Downloaded email v0.0.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "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] ee0a4b5f7689550037e90e442871f0131303da52286874d1321b4c9c78f8bdf3
[INFO] running `Command { std: "docker" "start" "-a" "ee0a4b5f7689550037e90e442871f0131303da52286874d1321b4c9c78f8bdf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee0a4b5f7689550037e90e442871f0131303da52286874d1321b4c9c78f8bdf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0a4b5f7689550037e90e442871f0131303da52286874d1321b4c9c78f8bdf3", kill_on_drop: false }`
[INFO] [stdout] ee0a4b5f7689550037e90e442871f0131303da52286874d1321b4c9c78f8bdf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "check" "--frozen" "--all" "--all-targets" "--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] 6bf77f8582d67b3ac909da00a04d355aeb924edb0c5ae82ff68aa97a85f3ee56
[INFO] running `Command { std: "docker" "start" "-a" "6bf77f8582d67b3ac909da00a04d355aeb924edb0c5ae82ff68aa97a85f3ee56", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking chrono v0.4.18
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking lettre v0.9.3
[INFO] [stderr]     Checking lettre_email v0.9.4
[INFO] [stderr]     Checking mailgang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.33s
[INFO] running `Command { std: "docker" "inspect" "6bf77f8582d67b3ac909da00a04d355aeb924edb0c5ae82ff68aa97a85f3ee56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf77f8582d67b3ac909da00a04d355aeb924edb0c5ae82ff68aa97a85f3ee56", kill_on_drop: false }`
[INFO] [stdout] 6bf77f8582d67b3ac909da00a04d355aeb924edb0c5ae82ff68aa97a85f3ee56