[INFO] cloning repository https://github.com/ChemicalLuck/midlman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChemicalLuck/midlman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChemicalLuck%2Fmidlman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChemicalLuck%2Fmidlman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e127dfe7197b078434b6acdfa92f0d00b18deea6
[INFO] checking ChemicalLuck/midlman/e127dfe7197b078434b6acdfa92f0d00b18deea6 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%2FChemicalLuck%2Fmidlman" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChemicalLuck/midlman 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/ChemicalLuck/midlman
[INFO] finished tweaking git repo https://github.com/ChemicalLuck/midlman
[INFO] tweaked toml for git repo https://github.com/ChemicalLuck/midlman written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ChemicalLuck/midlman 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 99e4d11875f42824e6dd638eb30ddfe325983d678f05a008780c5da843cafe5f
[INFO] running `Command { std: "docker" "start" "-a" "99e4d11875f42824e6dd638eb30ddfe325983d678f05a008780c5da843cafe5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99e4d11875f42824e6dd638eb30ddfe325983d678f05a008780c5da843cafe5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e4d11875f42824e6dd638eb30ddfe325983d678f05a008780c5da843cafe5f", kill_on_drop: false }`
[INFO] [stdout] 99e4d11875f42824e6dd638eb30ddfe325983d678f05a008780c5da843cafe5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c31fcf4022df47b84116facb5c91e6bfc91be802ae14dab28cfaa956fa5bbbc7
[INFO] running `Command { std: "docker" "start" "-a" "c31fcf4022df47b84116facb5c91e6bfc91be802ae14dab28cfaa956fa5bbbc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.52.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking midly v0.5.3
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking windows-targets v0.52.0
[INFO] [stderr]     Checking windows-core v0.52.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking alsa v0.7.1
[INFO] [stderr]     Checking midir v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling windows-interface v0.52.0
[INFO] [stderr]    Compiling windows-implement v0.52.0
[INFO] [stderr]     Checking windows v0.52.0
[INFO] [stderr]     Checking serde_yaml v0.9.27
[INFO] [stderr]     Checking midlman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `session::Session`
[INFO] [stdout]  --> src/volume/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use session::Session;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `session::Session`
[INFO] [stdout]  --> src/volume/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use session::Session;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.28s
[INFO] running `Command { std: "docker" "inspect" "c31fcf4022df47b84116facb5c91e6bfc91be802ae14dab28cfaa956fa5bbbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31fcf4022df47b84116facb5c91e6bfc91be802ae14dab28cfaa956fa5bbbc7", kill_on_drop: false }`
[INFO] [stdout] c31fcf4022df47b84116facb5c91e6bfc91be802ae14dab28cfaa956fa5bbbc7