[INFO] fetching crate tryagain 0.1.0...
[INFO] testing tryagain-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate tryagain 0.1.0 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tryagain 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 80 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gloo-timers v0.3.0
[INFO] [stderr]   Downloaded async-global-executor v2.4.1
[INFO] [stderr]   Downloaded value-bag v1.11.1
[INFO] [stderr]   Downloaded event-listener v2.5.3
[INFO] [stderr]   Downloaded async-channel v2.5.0
[INFO] [stderr]   Downloaded async-executor v1.13.3
[INFO] [stderr]   Downloaded polling v3.11.0
[INFO] [stderr]   Downloaded async-task v4.7.1
[INFO] [stderr]   Downloaded async-io v2.6.0
[INFO] [stderr]   Downloaded event-listener v5.4.1
[INFO] [stderr]   Downloaded blocking v1.6.2
[INFO] [stderr]   Downloaded async-lock v3.4.1
[INFO] [stderr]   Downloaded async-std v1.13.2
[INFO] [stderr]   Downloaded futures-lite v2.6.1
[INFO] [stderr]   Downloaded async-channel v1.9.0
[INFO] [stderr]   Downloaded piper v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fcf4d34d1bceea7a616cbd5fd0aec00f571faa9b566c38595ee9140a729bd1c
[INFO] running `Command { std: "docker" "start" "-a" "1fcf4d34d1bceea7a616cbd5fd0aec00f571faa9b566c38595ee9140a729bd1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fcf4d34d1bceea7a616cbd5fd0aec00f571faa9b566c38595ee9140a729bd1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fcf4d34d1bceea7a616cbd5fd0aec00f571faa9b566c38595ee9140a729bd1c", kill_on_drop: false }`
[INFO] [stdout] 1fcf4d34d1bceea7a616cbd5fd0aec00f571faa9b566c38595ee9140a729bd1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 665285f055edca352f6335b81d2722c4e7a98d02803bf21ccb6f6bffe9bf7fd5
[INFO] running `Command { std: "docker" "start" "-a" "665285f055edca352f6335b81d2722c4e7a98d02803bf21ccb6f6bffe9bf7fd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `Command { std: "docker" "inspect" "665285f055edca352f6335b81d2722c4e7a98d02803bf21ccb6f6bffe9bf7fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665285f055edca352f6335b81d2722c4e7a98d02803bf21ccb6f6bffe9bf7fd5", kill_on_drop: false }`
[INFO] [stdout] 665285f055edca352f6335b81d2722c4e7a98d02803bf21ccb6f6bffe9bf7fd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b4e3a08c4d7ad9f9de5c9c8f308dbe13e30a57a311ea6b03bad744c8b09ebac
[INFO] running `Command { std: "docker" "start" "-a" "5b4e3a08c4d7ad9f9de5c9c8f308dbe13e30a57a311ea6b03bad744c8b09ebac", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "5b4e3a08c4d7ad9f9de5c9c8f308dbe13e30a57a311ea6b03bad744c8b09ebac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4e3a08c4d7ad9f9de5c9c8f308dbe13e30a57a311ea6b03bad744c8b09ebac", kill_on_drop: false }`
[INFO] [stdout] 5b4e3a08c4d7ad9f9de5c9c8f308dbe13e30a57a311ea6b03bad744c8b09ebac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac30d4a8a5cbbd615ca76360e3c5bc7e8176a473c7d5585d93bba2c173ebc7aa
[INFO] running `Command { std: "docker" "start" "-a" "ac30d4a8a5cbbd615ca76360e3c5bc7e8176a473c7d5585d93bba2c173ebc7aa", kill_on_drop: false }`
[INFO] [stderr] warning: field `instant` is never read
[INFO] [stderr]   --> src/backoff.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct ExponentialBackoff {
[INFO] [stderr]    |            ------------------ field in this struct
[INFO] [stderr] 18 |     instant: Instant,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ExponentialBackoff` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tryagain` (lib) generated 1 warning
[INFO] [stderr] warning: `tryagain` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tryagain-1e12ea90a9e59c70)
[INFO] [stderr]    Doc-tests tryagain
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/sync.rs - sync::retry_if (line 36) ... ok
[INFO] [stdout] test src/future.rs - future::retry (line 19) ... ok
[INFO] [stdout] test src/sync.rs - sync::retry (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/future.rs - future::retry_if (line 48) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac30d4a8a5cbbd615ca76360e3c5bc7e8176a473c7d5585d93bba2c173ebc7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac30d4a8a5cbbd615ca76360e3c5bc7e8176a473c7d5585d93bba2c173ebc7aa", kill_on_drop: false }`
[INFO] [stdout] ac30d4a8a5cbbd615ca76360e3c5bc7e8176a473c7d5585d93bba2c173ebc7aa