[INFO] fetching crate pipelines 0.4.0... [INFO] checking pipelines-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate pipelines 0.4.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate pipelines 0.4.0 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 pipelines 0.4.0 [INFO] finished tweaking crates.io crate pipelines 0.4.0 [INFO] tweaked toml for crates.io crate pipelines 0.4.0 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 43 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 env_logger v0.4.3 (latest: v0.11.3) [INFO] [stderr] Adding flate2 v0.2.20 (latest: v1.0.28) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding humansize v1.1.1 (latest: v2.1.3) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [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 same-file v0.1.3 (latest: v1.0.6) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [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 walkdir v1.0.7 (latest: v2.5.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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] Downloading crates ... [INFO] [stderr] Downloaded chan v0.1.23 [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] 4dca4b890234817b53773c3feb88045dba25d067a6b031cdb55d41394df9f7d5 [INFO] running `Command { std: "docker" "start" "-a" "4dca4b890234817b53773c3feb88045dba25d067a6b031cdb55d41394df9f7d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4dca4b890234817b53773c3feb88045dba25d067a6b031cdb55d41394df9f7d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dca4b890234817b53773c3feb88045dba25d067a6b031cdb55d41394df9f7d5", kill_on_drop: false }` [INFO] [stdout] 4dca4b890234817b53773c3feb88045dba25d067a6b031cdb55d41394df9f7d5 [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] cebf6bc9bf2673085626a17241e26f60bb90d7fb8b08c6888cb92add1dbae537 [INFO] running `Command { std: "docker" "start" "-a" "cebf6bc9bf2673085626a17241e26f60bb90d7fb8b08c6888cb92add1dbae537", kill_on_drop: false }` [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] Checking same-file v0.1.3 [INFO] [stderr] Checking humansize v1.1.1 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking chan v0.1.23 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking walkdir v1.0.7 [INFO] [stderr] Checking pipelines v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `chan` is imported redundantly [INFO] [stdout] --> src/lib.rs:942:9 [INFO] [stdout] | [INFO] [stdout] 58 | extern crate chan; [INFO] [stdout] | ------------------ the item `chan` is already imported here [INFO] [stdout] ... [INFO] [stdout] 942 | use chan; [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] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stdout] warning: the item `chan` is imported redundantly [INFO] [stdout] --> src/lib.rs:942:9 [INFO] [stdout] | [INFO] [stdout] 58 | extern crate chan; [INFO] [stdout] | ------------------ the item `chan` is already imported here [INFO] [stdout] ... [INFO] [stdout] 942 | use chan; [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.25s [INFO] running `Command { std: "docker" "inspect" "cebf6bc9bf2673085626a17241e26f60bb90d7fb8b08c6888cb92add1dbae537", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cebf6bc9bf2673085626a17241e26f60bb90d7fb8b08c6888cb92add1dbae537", kill_on_drop: false }` [INFO] [stdout] cebf6bc9bf2673085626a17241e26f60bb90d7fb8b08c6888cb92add1dbae537 [INFO] checking pipelines-0.4.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate pipelines 0.4.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate pipelines 0.4.0 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 pipelines 0.4.0 [INFO] finished tweaking crates.io crate pipelines 0.4.0 [INFO] tweaked toml for crates.io crate pipelines 0.4.0 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] 53996839e61d1b0c37a3e2db2228a4234f114fa4ddc1527ad85f8ba1d0fb924b [INFO] running `Command { std: "docker" "start" "-a" "53996839e61d1b0c37a3e2db2228a4234f114fa4ddc1527ad85f8ba1d0fb924b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53996839e61d1b0c37a3e2db2228a4234f114fa4ddc1527ad85f8ba1d0fb924b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53996839e61d1b0c37a3e2db2228a4234f114fa4ddc1527ad85f8ba1d0fb924b", kill_on_drop: false }` [INFO] [stdout] 53996839e61d1b0c37a3e2db2228a4234f114fa4ddc1527ad85f8ba1d0fb924b [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] a3b21545da1a3c8ef31ae76777e42958f3d5f5d2ce604b25157857bdd267762f [INFO] running `Command { std: "docker" "start" "-a" "a3b21545da1a3c8ef31ae76777e42958f3d5f5d2ce604b25157857bdd267762f", kill_on_drop: false }` [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] Checking same-file v0.1.3 [INFO] [stderr] Checking humansize v1.1.1 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking chan v0.1.23 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking walkdir v1.0.7 [INFO] [stderr] Checking pipelines v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `chan` is imported redundantly [INFO] [stdout] --> src/lib.rs:942:9 [INFO] [stdout] | [INFO] [stdout] 58 | extern crate chan; [INFO] [stdout] | ------------------ the item `chan` is already imported here [INFO] [stdout] ... [INFO] [stdout] 942 | use chan; [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] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stdout] warning: the item `chan` is imported redundantly [INFO] [stdout] --> src/lib.rs:942:9 [INFO] [stdout] | [INFO] [stdout] 58 | extern crate chan; [INFO] [stdout] | ------------------ the item `chan` is already imported here [INFO] [stdout] ... [INFO] [stdout] 942 | use chan; [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.22s [INFO] running `Command { std: "docker" "inspect" "a3b21545da1a3c8ef31ae76777e42958f3d5f5d2ce604b25157857bdd267762f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3b21545da1a3c8ef31ae76777e42958f3d5f5d2ce604b25157857bdd267762f", kill_on_drop: false }` [INFO] [stdout] a3b21545da1a3c8ef31ae76777e42958f3d5f5d2ce604b25157857bdd267762f