[INFO] fetching crate evitable 0.5.0...
[INFO] checking evitable-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate evitable 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate evitable 0.5.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evitable 0.5.0
[INFO] finished tweaking crates.io crate evitable 0.5.0
[INFO] tweaked toml for crates.io crate evitable 0.5.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded evitable-derive-core v0.5.0
[INFO] [stderr]   Downloaded evitable-syn-meta-ext v0.5.0
[INFO] [stderr]   Downloaded evitable-derive v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4cf10e50d46be9c2fa9f3c4c6a7bf8c4d4f698d2ee1aad1a0472c35fdc9201a
[INFO] running `Command { std: "docker" "start" "-a" "c4cf10e50d46be9c2fa9f3c4c6a7bf8c4d4f698d2ee1aad1a0472c35fdc9201a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4cf10e50d46be9c2fa9f3c4c6a7bf8c4d4f698d2ee1aad1a0472c35fdc9201a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4cf10e50d46be9c2fa9f3c4c6a7bf8c4d4f698d2ee1aad1a0472c35fdc9201a", kill_on_drop: false }`
[INFO] [stdout] c4cf10e50d46be9c2fa9f3c4c6a7bf8c4d4f698d2ee1aad1a0472c35fdc9201a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3197f666976dad55932d7657d03228dd8b6cb3f0fddd8d02d4ca7af1ef8e70a
[INFO] running `Command { std: "docker" "start" "-a" "e3197f666976dad55932d7657d03228dd8b6cb3f0fddd8d02d4ca7af1ef8e70a", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling evitable-syn-meta-ext v0.5.0
[INFO] [stderr]    Compiling evitable-derive-core v0.5.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling evitable-derive v0.5.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking evitable v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> tests/macros.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fail!(Context::Io);
[INFO] [stdout]    |     ------------------ any code following this expression is unreachable
[INFO] [stdout] 27 |
[INFO] [stdout] 28 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "e3197f666976dad55932d7657d03228dd8b6cb3f0fddd8d02d4ca7af1ef8e70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3197f666976dad55932d7657d03228dd8b6cb3f0fddd8d02d4ca7af1ef8e70a", kill_on_drop: false }`
[INFO] [stdout] e3197f666976dad55932d7657d03228dd8b6cb3f0fddd8d02d4ca7af1ef8e70a
[INFO] checking evitable-0.5.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate evitable 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate evitable 0.5.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evitable 0.5.0
[INFO] finished tweaking crates.io crate evitable 0.5.0
[INFO] tweaked toml for crates.io crate evitable 0.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1b66489e4f6f83ebe0972cca0d7fd1a5aab0ea8910cfae79a927bc67970f456
[INFO] running `Command { std: "docker" "start" "-a" "f1b66489e4f6f83ebe0972cca0d7fd1a5aab0ea8910cfae79a927bc67970f456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b66489e4f6f83ebe0972cca0d7fd1a5aab0ea8910cfae79a927bc67970f456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b66489e4f6f83ebe0972cca0d7fd1a5aab0ea8910cfae79a927bc67970f456", kill_on_drop: false }`
[INFO] [stdout] f1b66489e4f6f83ebe0972cca0d7fd1a5aab0ea8910cfae79a927bc67970f456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98223efd4fb07ac0273af118735331763dc225b91dfaead03a788390bee28ddf
[INFO] running `Command { std: "docker" "start" "-a" "98223efd4fb07ac0273af118735331763dc225b91dfaead03a788390bee28ddf", kill_on_drop: false }`
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling evitable-syn-meta-ext v0.5.0
[INFO] [stderr]    Compiling evitable-derive-core v0.5.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling evitable-derive v0.5.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking evitable v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> tests/macros.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fail!(Context::Io);
[INFO] [stdout]    |     ------------------ any code following this expression is unreachable
[INFO] [stdout] 27 |
[INFO] [stdout] 28 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "98223efd4fb07ac0273af118735331763dc225b91dfaead03a788390bee28ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98223efd4fb07ac0273af118735331763dc225b91dfaead03a788390bee28ddf", kill_on_drop: false }`
[INFO] [stdout] 98223efd4fb07ac0273af118735331763dc225b91dfaead03a788390bee28ddf