[INFO] fetching crate cacher_hasher 0.1.1...
[INFO] checking cacher_hasher-0.1.1 against master#9d28fe39763974a96d61232e96ac856735e4cdd6 for pr-139624
[INFO] extracting crate cacher_hasher 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cacher_hasher 0.1.1 on toolchain 9d28fe39763974a96d61232e96ac856735e4cdd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9d28fe39763974a96d61232e96ac856735e4cdd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cacher_hasher 0.1.1
[INFO] finished tweaking crates.io crate cacher_hasher 0.1.1
[INFO] tweaked toml for crates.io crate cacher_hasher 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate cacher_hasher 0.1.1 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" "+9d28fe39763974a96d61232e96ac856735e4cdd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9d28fe39763974a96d61232e96ac856735e4cdd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8708fdf0b2b09140d1c4d4364ba2750fc3cc3117a1d67f5731e97ee8692867ba
[INFO] running `Command { std: "docker" "start" "-a" "8708fdf0b2b09140d1c4d4364ba2750fc3cc3117a1d67f5731e97ee8692867ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8708fdf0b2b09140d1c4d4364ba2750fc3cc3117a1d67f5731e97ee8692867ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8708fdf0b2b09140d1c4d4364ba2750fc3cc3117a1d67f5731e97ee8692867ba", kill_on_drop: false }`
[INFO] [stdout] 8708fdf0b2b09140d1c4d4364ba2750fc3cc3117a1d67f5731e97ee8692867ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9d28fe39763974a96d61232e96ac856735e4cdd6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d93807d0ff8500678897166acbf28bdc8cdf6c1d6beb6a43f1ed98ad04142de
[INFO] running `Command { std: "docker" "start" "-a" "3d93807d0ff8500678897166acbf28bdc8cdf6c1d6beb6a43f1ed98ad04142de", kill_on_drop: false }`
[INFO] [stderr]     Checking cacher_hasher v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `intensity`
[INFO] [stdout]  --> src/main.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stdout]   |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_number`
[INFO] [stdout]  --> src/main.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intensity`
[INFO] [stdout]  --> src/main.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stdout]   |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_number`
[INFO] [stdout]  --> src/main.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "3d93807d0ff8500678897166acbf28bdc8cdf6c1d6beb6a43f1ed98ad04142de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d93807d0ff8500678897166acbf28bdc8cdf6c1d6beb6a43f1ed98ad04142de", kill_on_drop: false }`
[INFO] [stdout] 3d93807d0ff8500678897166acbf28bdc8cdf6c1d6beb6a43f1ed98ad04142de