[INFO] fetching crate cmail 0.4.0...
[INFO] testing cmail-0.4.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate cmail 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate cmail 0.4.0
[INFO] finished tweaking crates.io crate cmail 0.4.0
[INFO] tweaked toml for crates.io crate cmail 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cmail 0.4.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cmail 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93399b89ebf489fcbbb93b68211ceaed1244f63032285bc7c468a03ce434a757
[INFO] running `Command { std: "docker" "start" "-a" "93399b89ebf489fcbbb93b68211ceaed1244f63032285bc7c468a03ce434a757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93399b89ebf489fcbbb93b68211ceaed1244f63032285bc7c468a03ce434a757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93399b89ebf489fcbbb93b68211ceaed1244f63032285bc7c468a03ce434a757", kill_on_drop: false }`
[INFO] [stdout] 93399b89ebf489fcbbb93b68211ceaed1244f63032285bc7c468a03ce434a757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55a1cd9d194ae6fea750e0737900a20682c34ab71f1a970eb52219c1aadd63de
[INFO] running `Command { std: "docker" "start" "-a" "55a1cd9d194ae6fea750e0737900a20682c34ab71f1a970eb52219c1aadd63de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling lexopt v0.3.0
[INFO] [stderr]    Compiling jiff v0.1.16
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling cmail v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.07s
[INFO] running `Command { std: "docker" "inspect" "55a1cd9d194ae6fea750e0737900a20682c34ab71f1a970eb52219c1aadd63de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a1cd9d194ae6fea750e0737900a20682c34ab71f1a970eb52219c1aadd63de", kill_on_drop: false }`
[INFO] [stdout] 55a1cd9d194ae6fea750e0737900a20682c34ab71f1a970eb52219c1aadd63de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8620e68bd07c6bc0977d1a838269dc2a766ca6e18e4b79478ca51adcf013ba2e
[INFO] running `Command { std: "docker" "start" "-a" "8620e68bd07c6bc0977d1a838269dc2a766ca6e18e4b79478ca51adcf013ba2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmail v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "8620e68bd07c6bc0977d1a838269dc2a766ca6e18e4b79478ca51adcf013ba2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8620e68bd07c6bc0977d1a838269dc2a766ca6e18e4b79478ca51adcf013ba2e", kill_on_drop: false }`
[INFO] [stdout] 8620e68bd07c6bc0977d1a838269dc2a766ca6e18e4b79478ca51adcf013ba2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5797b5bfff9d0948345514af5f7026db7dae32f675b8ea07e72659df2ee5bd3
[INFO] running `Command { std: "docker" "start" "-a" "f5797b5bfff9d0948345514af5f7026db7dae32f675b8ea07e72659df2ee5bd3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests main.rs (/opt/rustwide/target/debug/deps/cmail-ee6019a8d8cb2dd7)
[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" "f5797b5bfff9d0948345514af5f7026db7dae32f675b8ea07e72659df2ee5bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5797b5bfff9d0948345514af5f7026db7dae32f675b8ea07e72659df2ee5bd3", kill_on_drop: false }`
[INFO] [stdout] f5797b5bfff9d0948345514af5f7026db7dae32f675b8ea07e72659df2ee5bd3