[INFO] fetching crate irae 0.1.0...
[INFO] checking irae-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate irae 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate irae 0.1.0
[INFO] finished tweaking crates.io crate irae 0.1.0
[INFO] tweaked toml for crates.io crate irae 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate irae 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate irae 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50aafe88348ebea20c32aaa50c3fd0d2e87322d6281fb114712ec1c6f6033cf7
[INFO] running `Command { std: "docker" "start" "-a" "50aafe88348ebea20c32aaa50c3fd0d2e87322d6281fb114712ec1c6f6033cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50aafe88348ebea20c32aaa50c3fd0d2e87322d6281fb114712ec1c6f6033cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50aafe88348ebea20c32aaa50c3fd0d2e87322d6281fb114712ec1c6f6033cf7", kill_on_drop: false }`
[INFO] [stdout] 50aafe88348ebea20c32aaa50c3fd0d2e87322d6281fb114712ec1c6f6033cf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f82f234e4d2becaf9734170c074d65301e746de3c552bc1fc6dc38eb3e81e27
[INFO] running `Command { std: "docker" "start" "-a" "6f82f234e4d2becaf9734170c074d65301e746de3c552bc1fc6dc38eb3e81e27", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
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[INFO] [stderr]     Checking irae v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/debug.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Error, Result};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/debug.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Error, Result};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_duration` is never used
[INFO] [stdout]    --> src/rollout.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn format_duration(dur: Duration) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `age`, `phase`, `restarts`, and `version` are never read
[INFO] [stdout]    --> src/rollout.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub struct PodSummary {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 325 |     pub age: Duration,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 326 |     /// Phase from the status object
[INFO] [stdout] 327 |     pub phase: Option<String>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 333 |     pub restarts: i32,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 334 |     /// Version tag seen in image of main container
[INFO] [stdout] 335 |     pub version: Option<String>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PodSummary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_duration` is never used
[INFO] [stdout]    --> src/rollout.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn format_duration(dur: Duration) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `age`, `phase`, `restarts`, and `version` are never read
[INFO] [stdout]    --> src/rollout.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub struct PodSummary {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 325 |     pub age: Duration,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 326 |     /// Phase from the status object
[INFO] [stdout] 327 |     pub phase: Option<String>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 333 |     pub restarts: i32,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 334 |     /// Version tag seen in image of main container
[INFO] [stdout] 335 |     pub version: Option<String>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PodSummary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.38s
[INFO] running `Command { std: "docker" "inspect" "6f82f234e4d2becaf9734170c074d65301e746de3c552bc1fc6dc38eb3e81e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f82f234e4d2becaf9734170c074d65301e746de3c552bc1fc6dc38eb3e81e27", kill_on_drop: false }`
[INFO] [stdout] 6f82f234e4d2becaf9734170c074d65301e746de3c552bc1fc6dc38eb3e81e27