[INFO] fetching crate rusty-fork 0.3.0... [INFO] checking rusty-fork-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate rusty-fork 0.3.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate rusty-fork 0.3.0 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 rusty-fork 0.3.0 [INFO] finished tweaking crates.io crate rusty-fork 0.3.0 [INFO] tweaked toml for crates.io crate rusty-fork 0.3.0 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 21 packages [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [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] 07fb5670cc5016b271c6554a18cc78b3b1a5ed2de7850a6c22e9cfe8cb638806 [INFO] running `Command { std: "docker" "start" "-a" "07fb5670cc5016b271c6554a18cc78b3b1a5ed2de7850a6c22e9cfe8cb638806", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07fb5670cc5016b271c6554a18cc78b3b1a5ed2de7850a6c22e9cfe8cb638806", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07fb5670cc5016b271c6554a18cc78b3b1a5ed2de7850a6c22e9cfe8cb638806", kill_on_drop: false }` [INFO] [stdout] 07fb5670cc5016b271c6554a18cc78b3b1a5ed2de7850a6c22e9cfe8cb638806 [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] 9f7c12f5a5019243193625361d543f06b7842de6de0fb69fe5aa83a90a764e3e [INFO] running `Command { std: "docker" "start" "-a" "9f7c12f5a5019243193625361d543f06b7842de6de0fb69fe5aa83a90a764e3e", kill_on_drop: false }` [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rustix v0.38.32 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking rusty-fork v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `fnv` is imported redundantly [INFO] [stdout] --> src/fork.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use fnv; [INFO] [stdout] | ^^^ the item `fnv` 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 `tempfile` is imported redundantly [INFO] [stdout] --> src/fork.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use tempfile; [INFO] [stdout] | ^^^^^^^^ the item `tempfile` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fnv` is imported redundantly [INFO] [stdout] --> src/fork.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use fnv; [INFO] [stdout] | ^^^ the item `fnv` 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 `tempfile` is imported redundantly [INFO] [stdout] --> src/fork.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use tempfile; [INFO] [stdout] | ^^^^^^^^ the item `tempfile` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.73s [INFO] running `Command { std: "docker" "inspect" "9f7c12f5a5019243193625361d543f06b7842de6de0fb69fe5aa83a90a764e3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f7c12f5a5019243193625361d543f06b7842de6de0fb69fe5aa83a90a764e3e", kill_on_drop: false }` [INFO] [stdout] 9f7c12f5a5019243193625361d543f06b7842de6de0fb69fe5aa83a90a764e3e