[INFO] fetching crate postfix-macros 0.1.0...
[INFO] building postfix-macros-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate postfix-macros 0.1.0 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate postfix-macros 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16e7aa19a2b5a4edd72d9aa323335f96bcf60cc406254f75e449e45b7956b218
[INFO] running `Command { std: "docker" "start" "-a" "16e7aa19a2b5a4edd72d9aa323335f96bcf60cc406254f75e449e45b7956b218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16e7aa19a2b5a4edd72d9aa323335f96bcf60cc406254f75e449e45b7956b218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e7aa19a2b5a4edd72d9aa323335f96bcf60cc406254f75e449e45b7956b218", kill_on_drop: false }`
[INFO] [stdout] 16e7aa19a2b5a4edd72d9aa323335f96bcf60cc406254f75e449e45b7956b218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40c20b6db57631608426d1beecc51d2e78f6c7e5f0a111947b02de9a064b12e3
[INFO] running `Command { std: "docker" "start" "-a" "40c20b6db57631608426d1beecc51d2e78f6c7e5f0a111947b02de9a064b12e3", 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 1.48s
[INFO] running `Command { std: "docker" "inspect" "40c20b6db57631608426d1beecc51d2e78f6c7e5f0a111947b02de9a064b12e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c20b6db57631608426d1beecc51d2e78f6c7e5f0a111947b02de9a064b12e3", kill_on_drop: false }`
[INFO] [stdout] 40c20b6db57631608426d1beecc51d2e78f6c7e5f0a111947b02de9a064b12e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d29148ffca25ff7203e419cbc50b58e051c0685d3ae6c723058e6d35b957652
[INFO] running `Command { std: "docker" "start" "-a" "0d29148ffca25ff7203e419cbc50b58e051c0685d3ae6c723058e6d35b957652", 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 0.97s
[INFO] running `Command { std: "docker" "inspect" "0d29148ffca25ff7203e419cbc50b58e051c0685d3ae6c723058e6d35b957652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d29148ffca25ff7203e419cbc50b58e051c0685d3ae6c723058e6d35b957652", kill_on_drop: false }`
[INFO] [stdout] 0d29148ffca25ff7203e419cbc50b58e051c0685d3ae6c723058e6d35b957652