[INFO] fetching crate pover 0.2.2... [INFO] checking pover-0.2.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate pover 0.2.2 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate pover 0.2.2 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 pover 0.2.2 [INFO] finished tweaking crates.io crate pover 0.2.2 [INFO] tweaked toml for crates.io crate pover 0.2.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate pover 0.2.2 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] Downloading crates ... [INFO] [stderr] Downloaded open v1.7.0 [INFO] [stderr] Downloaded which v4.1.0 [INFO] [stderr] Downloaded libc v0.2.96 [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] 2373da2dfe02798c743640ebfd7ac30e7ee2d681160639d9cad665f01608df01 [INFO] running `Command { std: "docker" "start" "-a" "2373da2dfe02798c743640ebfd7ac30e7ee2d681160639d9cad665f01608df01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2373da2dfe02798c743640ebfd7ac30e7ee2d681160639d9cad665f01608df01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2373da2dfe02798c743640ebfd7ac30e7ee2d681160639d9cad665f01608df01", kill_on_drop: false }` [INFO] [stdout] 2373da2dfe02798c743640ebfd7ac30e7ee2d681160639d9cad665f01608df01 [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] 11e237532307549a0e84872c9dfc8f91afb2b90ed9473c429f5082c90e0e932e [INFO] running `Command { std: "docker" "start" "-a" "11e237532307549a0e84872c9dfc8f91afb2b90ed9473c429f5082c90e0e932e", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling libc v0.2.96 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking which v4.1.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking open v1.7.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Checking pover v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `open` is imported redundantly [INFO] [stdout] --> src/repo.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use open; [INFO] [stdout] | ^^^^ the item `open` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `open` is imported redundantly [INFO] [stdout] --> src/repo.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use open; [INFO] [stdout] | ^^^^ the item `open` is already defined by prelude [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 12.40s [INFO] running `Command { std: "docker" "inspect" "11e237532307549a0e84872c9dfc8f91afb2b90ed9473c429f5082c90e0e932e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11e237532307549a0e84872c9dfc8f91afb2b90ed9473c429f5082c90e0e932e", kill_on_drop: false }` [INFO] [stdout] 11e237532307549a0e84872c9dfc8f91afb2b90ed9473c429f5082c90e0e932e