[INFO] fetching crate postfix-macros 0.1.0...
[INFO] building postfix-macros-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate postfix-macros 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate postfix-macros 0.1.0
[INFO] finished tweaking crates.io crate postfix-macros 0.1.0
[INFO] tweaked toml for crates.io crate postfix-macros 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate postfix-macros 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate postfix-macros 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded postfix-macros-impl v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 032eb39e940f787f16c65f3eb38f88e610bb3a2fcb125c9831fab10e9cec2a18
[INFO] running `Command { std: "docker" "start" "-a" "032eb39e940f787f16c65f3eb38f88e610bb3a2fcb125c9831fab10e9cec2a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "032eb39e940f787f16c65f3eb38f88e610bb3a2fcb125c9831fab10e9cec2a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032eb39e940f787f16c65f3eb38f88e610bb3a2fcb125c9831fab10e9cec2a18", kill_on_drop: false }`
[INFO] [stdout] 032eb39e940f787f16c65f3eb38f88e610bb3a2fcb125c9831fab10e9cec2a18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d6e6f3e59fb2491b77892080c7b235faa462ccf6f25784240fd9c074a3bb246
[INFO] running `Command { std: "docker" "start" "-a" "0d6e6f3e59fb2491b77892080c7b235faa462ccf6f25784240fd9c074a3bb246", kill_on_drop: false }`
[INFO] [stderr]    Compiling postfix-macros-impl v0.1.0
[INFO] [stderr]    Compiling postfix-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "0d6e6f3e59fb2491b77892080c7b235faa462ccf6f25784240fd9c074a3bb246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d6e6f3e59fb2491b77892080c7b235faa462ccf6f25784240fd9c074a3bb246", kill_on_drop: false }`
[INFO] [stdout] 0d6e6f3e59fb2491b77892080c7b235faa462ccf6f25784240fd9c074a3bb246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f705bdf33b48ad250873818c7276cf0355af283b41e5f2d073f45e398114591
[INFO] running `Command { std: "docker" "start" "-a" "2f705bdf33b48ad250873818c7276cf0355af283b41e5f2d073f45e398114591", kill_on_drop: false }`
[INFO] [stderr]    Compiling postfix-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> tests/simple.rs:87:3
[INFO] [stdout]    |
[INFO] [stdout] 87 |         &().no_comma_pattern_macro!();
[INFO] [stdout]    |         ^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let _ = &();.no_comma_pattern_macro!();
[INFO] [stdout]    |         +++++++    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "2f705bdf33b48ad250873818c7276cf0355af283b41e5f2d073f45e398114591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f705bdf33b48ad250873818c7276cf0355af283b41e5f2d073f45e398114591", kill_on_drop: false }`
[INFO] [stdout] 2f705bdf33b48ad250873818c7276cf0355af283b41e5f2d073f45e398114591