[INFO] fetching crate poloto-chrono 0.4.0...
[INFO] checking poloto-chrono-0.4.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate poloto-chrono 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate poloto-chrono 0.4.0
[INFO] finished tweaking crates.io crate poloto-chrono 0.4.0
[INFO] tweaked toml for crates.io crate poloto-chrono 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate poloto-chrono 0.4.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate poloto-chrono 0.4.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37b0a5464a026e5cf139752348e610853664e695d20ff829e63b6fb124b761b2
[INFO] running `Command { std: "docker" "start" "-a" "37b0a5464a026e5cf139752348e610853664e695d20ff829e63b6fb124b761b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37b0a5464a026e5cf139752348e610853664e695d20ff829e63b6fb124b761b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b0a5464a026e5cf139752348e610853664e695d20ff829e63b6fb124b761b2", kill_on_drop: false }`
[INFO] [stdout] 37b0a5464a026e5cf139752348e610853664e695d20ff829e63b6fb124b761b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7617b90f8f65688cb77aaef8765ce24dc003ab3f3aa7a8a5c7cdfea7409b2437
[INFO] running `Command { std: "docker" "start" "-a" "7617b90f8f65688cb77aaef8765ce24dc003ab3f3aa7a8a5c7cdfea7409b2437", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking tagu v0.1.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]     Checking poloto v19.1.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking poloto-chrono v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `chosen_tick` is never read
[INFO] [stdout]   --> src/tick_finder.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Candidate {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub chosen_tick: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Candidate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `chosen_tick` is never read
[INFO] [stdout]   --> src/tick_finder.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Candidate {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub chosen_tick: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Candidate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "7617b90f8f65688cb77aaef8765ce24dc003ab3f3aa7a8a5c7cdfea7409b2437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7617b90f8f65688cb77aaef8765ce24dc003ab3f3aa7a8a5c7cdfea7409b2437", kill_on_drop: false }`
[INFO] [stdout] 7617b90f8f65688cb77aaef8765ce24dc003ab3f3aa7a8a5c7cdfea7409b2437