[INFO] fetching crate remove-bom 0.1.0... [INFO] checking remove-bom-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate remove-bom 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate remove-bom 0.1.0 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 remove-bom 0.1.0 [INFO] finished tweaking crates.io crate remove-bom 0.1.0 [INFO] tweaked toml for crates.io crate remove-bom 0.1.0 written to /workspace/builds/worker-6-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 33 packages [INFO] [stderr] Adding aho-corasick v0.6.10 (latest: v1.1.3) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding heck v0.3.3 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35) [INFO] [stderr] Adding regex v0.2.11 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.5.6 (latest: v0.8.3) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding structopt v0.2.18 (latest: v0.3.26) [INFO] [stderr] Adding structopt-derive v0.2.18 (latest: v0.4.18) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [INFO] [stderr] Adding ucd-util v0.1.10 (latest: v0.2.1) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3250685f447f6595ec49773751eb1c59bda18f1e4c250f2c962efd54510c0ecd [INFO] running `Command { std: "docker" "start" "-a" "3250685f447f6595ec49773751eb1c59bda18f1e4c250f2c962efd54510c0ecd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3250685f447f6595ec49773751eb1c59bda18f1e4c250f2c962efd54510c0ecd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3250685f447f6595ec49773751eb1c59bda18f1e4c250f2c962efd54510c0ecd", kill_on_drop: false }` [INFO] [stdout] 3250685f447f6595ec49773751eb1c59bda18f1e4c250f2c962efd54510c0ecd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1c7274897999ddcd36cdcb0695ba1101ab6b7de35a2704e909ce50e7464e1f72 [INFO] running `Command { std: "docker" "start" "-a" "1c7274897999ddcd36cdcb0695ba1101ab6b7de35a2704e909ce50e7464e1f72", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking remove-bom v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [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 6.15s [INFO] running `Command { std: "docker" "inspect" "1c7274897999ddcd36cdcb0695ba1101ab6b7de35a2704e909ce50e7464e1f72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c7274897999ddcd36cdcb0695ba1101ab6b7de35a2704e909ce50e7464e1f72", kill_on_drop: false }` [INFO] [stdout] 1c7274897999ddcd36cdcb0695ba1101ab6b7de35a2704e909ce50e7464e1f72 [INFO] checking remove-bom-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate remove-bom 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate remove-bom 0.1.0 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 remove-bom 0.1.0 [INFO] finished tweaking crates.io crate remove-bom 0.1.0 [INFO] tweaked toml for crates.io crate remove-bom 0.1.0 written to /workspace/builds/worker-6-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] Blocking waiting for file lock on package cache [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4f9ccc6c2dff03ac0b898761a4fc0bd7c7d955cea1c17f0fe59106b0706a3a5c [INFO] running `Command { std: "docker" "start" "-a" "4f9ccc6c2dff03ac0b898761a4fc0bd7c7d955cea1c17f0fe59106b0706a3a5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f9ccc6c2dff03ac0b898761a4fc0bd7c7d955cea1c17f0fe59106b0706a3a5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f9ccc6c2dff03ac0b898761a4fc0bd7c7d955cea1c17f0fe59106b0706a3a5c", kill_on_drop: false }` [INFO] [stdout] 4f9ccc6c2dff03ac0b898761a4fc0bd7c7d955cea1c17f0fe59106b0706a3a5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d93de1951ab21dd45a0facd75cd429325afa9c1430b7d8a5c128468674aacc94 [INFO] running `Command { std: "docker" "start" "-a" "d93de1951ab21dd45a0facd75cd429325afa9c1430b7d8a5c128468674aacc94", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking remove-bom v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [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 4.89s [INFO] running `Command { std: "docker" "inspect" "d93de1951ab21dd45a0facd75cd429325afa9c1430b7d8a5c128468674aacc94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d93de1951ab21dd45a0facd75cd429325afa9c1430b7d8a5c128468674aacc94", kill_on_drop: false }` [INFO] [stdout] d93de1951ab21dd45a0facd75cd429325afa9c1430b7d8a5c128468674aacc94