[INFO] cloning repository https://github.com/Alexendoo/if-to-let-chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alexendoo/if-to-let-chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexendoo%2Fif-to-let-chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexendoo%2Fif-to-let-chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8763e077df86077fdf84616f2b528c2ca54f9435
[INFO] checking Alexendoo/if-to-let-chain/8763e077df86077fdf84616f2b528c2ca54f9435 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%2FAlexendoo%2Fif-to-let-chain" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Alexendoo/if-to-let-chain 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/Alexendoo/if-to-let-chain
[INFO] finished tweaking git repo https://github.com/Alexendoo/if-to-let-chain
[INFO] tweaked toml for git repo https://github.com/Alexendoo/if-to-let-chain written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Alexendoo/if-to-let-chain 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f91de3fbf348d6c0c101e9f50ecc4cdca39401f4764f4642aeb96a6746dc2e8d
[INFO] running `Command { std: "docker" "start" "-a" "f91de3fbf348d6c0c101e9f50ecc4cdca39401f4764f4642aeb96a6746dc2e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f91de3fbf348d6c0c101e9f50ecc4cdca39401f4764f4642aeb96a6746dc2e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91de3fbf348d6c0c101e9f50ecc4cdca39401f4764f4642aeb96a6746dc2e8d", kill_on_drop: false }`
[INFO] [stdout] f91de3fbf348d6c0c101e9f50ecc4cdca39401f4764f4642aeb96a6746dc2e8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 666a7c60b549836fcc14d7e7acadd1b0dd928a516ec566b700207d2f29a72dab
[INFO] running `Command { std: "docker" "start" "-a" "666a7c60b549836fcc14d7e7acadd1b0dd928a516ec566b700207d2f29a72dab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking similar v2.3.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking syn v2.0.39
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking insta v1.34.0
[INFO] [stderr]     Checking if-to-let-chain v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `Command { std: "docker" "inspect" "666a7c60b549836fcc14d7e7acadd1b0dd928a516ec566b700207d2f29a72dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666a7c60b549836fcc14d7e7acadd1b0dd928a516ec566b700207d2f29a72dab", kill_on_drop: false }`
[INFO] [stdout] 666a7c60b549836fcc14d7e7acadd1b0dd928a516ec566b700207d2f29a72dab