[INFO] fetching crate tryagain 0.1.0...
[INFO] checking tryagain-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate tryagain 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate tryagain 0.1.0
[INFO] finished tweaking crates.io crate tryagain 0.1.0
[INFO] tweaked toml for crates.io crate tryagain 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tryagain 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 88 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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 wasi v0.11.1+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded gloo-timers v0.3.0
[INFO] [stderr]   Downloaded event-listener v2.5.3
[INFO] [stderr]   Downloaded blocking v1.6.2
[INFO] [stderr]   Downloaded polling v3.10.0
[INFO] [stderr]   Downloaded async-io v2.5.0
[INFO] [stderr]   Downloaded event-listener v5.4.1
[INFO] [stderr]   Downloaded io-uring v0.7.10
[INFO] [stderr]   Downloaded value-bag v1.11.1
[INFO] [stderr]   Downloaded gimli v0.31.1
[INFO] [stderr]   Downloaded object v0.36.7
[INFO] [stderr]   Downloaded backtrace v0.3.75
[INFO] [stderr]   Downloaded async-lock v3.4.1
[INFO] [stderr]   Downloaded futures-lite v2.6.1
[INFO] [stderr]   Downloaded pin-project v1.1.10
[INFO] [stderr]   Downloaded async-channel v1.9.0
[INFO] [stderr]   Downloaded async-executor v1.13.3
[INFO] [stderr]   Downloaded async-std v1.13.2
[INFO] [stderr]   Downloaded async-channel v2.5.0
[INFO] [stderr]   Downloaded async-task v4.7.1
[INFO] [stderr]   Downloaded piper v0.2.4
[INFO] [stderr]   Downloaded async-global-executor v2.4.1
[INFO] [stderr]   Downloaded hermit-abi v0.5.2
[INFO] [stderr]   Downloaded concurrent-queue v2.5.0
[INFO] [stderr]   Downloaded event-listener-strategy v0.5.4
[INFO] [stderr]   Downloaded parking v2.2.1
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded rustversion v1.0.22
[INFO] [stderr]   Downloaded pin-project-internal v1.1.10
[INFO] [stderr]   Downloaded addr2line v0.24.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.26
[INFO] [stderr]   Downloaded tokio-macros v2.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12dae7c50a832203669fccb5efa7467cc047e4119c77e31dc8f65858e835b997
[INFO] running `Command { std: "docker" "start" "-a" "12dae7c50a832203669fccb5efa7467cc047e4119c77e31dc8f65858e835b997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12dae7c50a832203669fccb5efa7467cc047e4119c77e31dc8f65858e835b997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12dae7c50a832203669fccb5efa7467cc047e4119c77e31dc8f65858e835b997", kill_on_drop: false }`
[INFO] [stdout] 12dae7c50a832203669fccb5efa7467cc047e4119c77e31dc8f65858e835b997
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46658290b6f8d25e325c10b0f74e804fa55e152302490a989d93fdd9eb64d678
[INFO] running `Command { std: "docker" "start" "-a" "46658290b6f8d25e325c10b0f74e804fa55e152302490a989d93fdd9eb64d678", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking tryagain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `instant` is never read
[INFO] [stdout]   --> src/backoff.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct ExponentialBackoff {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 18 |     instant: Instant,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExponentialBackoff` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `instant` is never read
[INFO] [stdout]   --> src/backoff.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct ExponentialBackoff {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 18 |     instant: Instant,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExponentialBackoff` has derived impls for the traits `Clone` and `Debug`, but these are 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 7.13s
[INFO] running `Command { std: "docker" "inspect" "46658290b6f8d25e325c10b0f74e804fa55e152302490a989d93fdd9eb64d678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46658290b6f8d25e325c10b0f74e804fa55e152302490a989d93fdd9eb64d678", kill_on_drop: false }`
[INFO] [stdout] 46658290b6f8d25e325c10b0f74e804fa55e152302490a989d93fdd9eb64d678