[INFO] cloning repository https://github.com/DacKock/rust-app2-simpleThreadpool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DacKock/rust-app2-simpleThreadpool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDacKock%2Frust-app2-simpleThreadpool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDacKock%2Frust-app2-simpleThreadpool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10ad2abcbb6cccc6a6bbe33b8021d2405e8bebaf
[INFO] checking DacKock/rust-app2-simpleThreadpool/10ad2abcbb6cccc6a6bbe33b8021d2405e8bebaf against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDacKock%2Frust-app2-simpleThreadpool" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DacKock/rust-app2-simpleThreadpool on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DacKock/rust-app2-simpleThreadpool
[INFO] finished tweaking git repo https://github.com/DacKock/rust-app2-simpleThreadpool
[INFO] tweaked toml for git repo https://github.com/DacKock/rust-app2-simpleThreadpool written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/DacKock/rust-app2-simpleThreadpool 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1219e1f534d86911c7ac8e2bf399f98580e5e70d9567facd0c663991251d2920
[INFO] running `Command { std: "docker" "start" "-a" "1219e1f534d86911c7ac8e2bf399f98580e5e70d9567facd0c663991251d2920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1219e1f534d86911c7ac8e2bf399f98580e5e70d9567facd0c663991251d2920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1219e1f534d86911c7ac8e2bf399f98580e5e70d9567facd0c663991251d2920", kill_on_drop: false }`
[INFO] [stdout] 1219e1f534d86911c7ac8e2bf399f98580e5e70d9567facd0c663991251d2920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc5ef5522fe97a9d19f44cdcf4cce03359394fb7d60f44ef7b994f74641b21ba
[INFO] running `Command { std: "docker" "start" "-a" "dc5ef5522fe97a9d19f44cdcf4cce03359394fb7d60f44ef7b994f74641b21ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling ntest_proc_macro_helper v0.8.0
[INFO] [stderr]     Checking app2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling toml_edit v0.19.14
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling ntest_timeout v0.8.1
[INFO] [stderr]    Compiling ntest_test_cases v0.8.0
[INFO] [stderr]     Checking ntest v0.8.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.78s
[INFO] running `Command { std: "docker" "inspect" "dc5ef5522fe97a9d19f44cdcf4cce03359394fb7d60f44ef7b994f74641b21ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5ef5522fe97a9d19f44cdcf4cce03359394fb7d60f44ef7b994f74641b21ba", kill_on_drop: false }`
[INFO] [stdout] dc5ef5522fe97a9d19f44cdcf4cce03359394fb7d60f44ef7b994f74641b21ba