[INFO] fetching crate io_check 0.1.2... [INFO] checking io_check-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate io_check 0.1.2 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate io_check 0.1.2 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 io_check 0.1.2 [INFO] finished tweaking crates.io crate io_check 0.1.2 [INFO] tweaked toml for crates.io crate io_check 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate io_check 0.1.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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] be4ebe98a295e80873ac15b38319bd05fc148bf527cafc45dc9f870a28b8a5ed [INFO] running `Command { std: "docker" "start" "-a" "be4ebe98a295e80873ac15b38319bd05fc148bf527cafc45dc9f870a28b8a5ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be4ebe98a295e80873ac15b38319bd05fc148bf527cafc45dc9f870a28b8a5ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be4ebe98a295e80873ac15b38319bd05fc148bf527cafc45dc9f870a28b8a5ed", kill_on_drop: false }` [INFO] [stdout] be4ebe98a295e80873ac15b38319bd05fc148bf527cafc45dc9f870a28b8a5ed [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] ecc45fd6b976129f79c87dd27d911150d3150cfa7886e649a0b51fde929f6182 [INFO] running `Command { std: "docker" "start" "-a" "ecc45fd6b976129f79c87dd27d911150d3150cfa7886e649a0b51fde929f6182", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking gimli v0.26.2 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking object v0.29.0 [INFO] [stderr] Compiling backtrace v0.3.66 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking io_check v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.38s [INFO] running `Command { std: "docker" "inspect" "ecc45fd6b976129f79c87dd27d911150d3150cfa7886e649a0b51fde929f6182", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecc45fd6b976129f79c87dd27d911150d3150cfa7886e649a0b51fde929f6182", kill_on_drop: false }` [INFO] [stdout] ecc45fd6b976129f79c87dd27d911150d3150cfa7886e649a0b51fde929f6182 [INFO] checking io_check-0.1.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate io_check 0.1.2 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate io_check 0.1.2 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 io_check 0.1.2 [INFO] finished tweaking crates.io crate io_check 0.1.2 [INFO] tweaked toml for crates.io crate io_check 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate io_check 0.1.2 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" "+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] 84f5a27648d5278d0d56bec8f92e0191d1f95ed770fc74b739f2f40bd980eacb [INFO] running `Command { std: "docker" "start" "-a" "84f5a27648d5278d0d56bec8f92e0191d1f95ed770fc74b739f2f40bd980eacb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84f5a27648d5278d0d56bec8f92e0191d1f95ed770fc74b739f2f40bd980eacb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84f5a27648d5278d0d56bec8f92e0191d1f95ed770fc74b739f2f40bd980eacb", kill_on_drop: false }` [INFO] [stdout] 84f5a27648d5278d0d56bec8f92e0191d1f95ed770fc74b739f2f40bd980eacb [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] 8677e7ea8996fe231802bb23dd5dcebffe74bd83420169261f55829b505c725f [INFO] running `Command { std: "docker" "start" "-a" "8677e7ea8996fe231802bb23dd5dcebffe74bd83420169261f55829b505c725f", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking gimli v0.26.2 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking object v0.29.0 [INFO] [stderr] Compiling backtrace v0.3.66 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking io_check v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.86s [INFO] running `Command { std: "docker" "inspect" "8677e7ea8996fe231802bb23dd5dcebffe74bd83420169261f55829b505c725f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8677e7ea8996fe231802bb23dd5dcebffe74bd83420169261f55829b505c725f", kill_on_drop: false }` [INFO] [stdout] 8677e7ea8996fe231802bb23dd5dcebffe74bd83420169261f55829b505c725f