[INFO] fetching crate listload 0.1.0...
[INFO] checking listload-0.1.0 against master#b2728d5426bab1d8c39709768c7e22b7f66dde5d for pr-135852
[INFO] extracting crate listload 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate listload 0.1.0 on toolchain b2728d5426bab1d8c39709768c7e22b7f66dde5d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate listload 0.1.0
[INFO] finished tweaking crates.io crate listload 0.1.0
[INFO] tweaked toml for crates.io crate listload 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate listload 0.1.0 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" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded downloader v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f90d6f17b5afdc46e28426ed4a43bcec6fe2d7d1431077aa7d0eb1c214c5f1d
[INFO] running `Command { std: "docker" "start" "-a" "8f90d6f17b5afdc46e28426ed4a43bcec6fe2d7d1431077aa7d0eb1c214c5f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f90d6f17b5afdc46e28426ed4a43bcec6fe2d7d1431077aa7d0eb1c214c5f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f90d6f17b5afdc46e28426ed4a43bcec6fe2d7d1431077aa7d0eb1c214c5f1d", kill_on_drop: false }`
[INFO] [stdout] 8f90d6f17b5afdc46e28426ed4a43bcec6fe2d7d1431077aa7d0eb1c214c5f1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 445a159bede9aec2675379917b4add8bf54b2c7d4a4df41668aba55ff301a155
[INFO] running `Command { std: "docker" "start" "-a" "445a159bede9aec2675379917b4add8bf54b2c7d4a4df41668aba55ff301a155", kill_on_drop: false }`
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[INFO] [stderr]     Checking listload v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `target` is never used
[INFO] [stdout]   --> src/persistent_state.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl PersistentState {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn target(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/target_list.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl TargetList {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 21 |     pub fn name(&self) -> &str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `target` is never used
[INFO] [stdout]   --> src/persistent_state.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl PersistentState {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn target(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/target_list.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl TargetList {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 21 |     pub fn name(&self) -> &str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.79s
[INFO] running `Command { std: "docker" "inspect" "445a159bede9aec2675379917b4add8bf54b2c7d4a4df41668aba55ff301a155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445a159bede9aec2675379917b4add8bf54b2c7d4a4df41668aba55ff301a155", kill_on_drop: false }`
[INFO] [stdout] 445a159bede9aec2675379917b4add8bf54b2c7d4a4df41668aba55ff301a155