[INFO] fetching crate tryagain 0.1.0...
[INFO] testing tryagain-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tryagain 0.1.0 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tryagain 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 59 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40be2fb84eda67801fd04c0bd126edbbee4f5b4ac31b370b965c2f3cb38c8376
[INFO] running `Command { std: "docker" "start" "-a" "40be2fb84eda67801fd04c0bd126edbbee4f5b4ac31b370b965c2f3cb38c8376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40be2fb84eda67801fd04c0bd126edbbee4f5b4ac31b370b965c2f3cb38c8376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40be2fb84eda67801fd04c0bd126edbbee4f5b4ac31b370b965c2f3cb38c8376", kill_on_drop: false }`
[INFO] [stdout] 40be2fb84eda67801fd04c0bd126edbbee4f5b4ac31b370b965c2f3cb38c8376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 994c6d89ed93e8d90fe1c44288d207c12699c9fbd94db820e142bd0a47dba62f
[INFO] running `Command { std: "docker" "start" "-a" "994c6d89ed93e8d90fe1c44288d207c12699c9fbd94db820e142bd0a47dba62f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling tokio v1.48.0
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.17s
[INFO] running `Command { std: "docker" "inspect" "994c6d89ed93e8d90fe1c44288d207c12699c9fbd94db820e142bd0a47dba62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994c6d89ed93e8d90fe1c44288d207c12699c9fbd94db820e142bd0a47dba62f", kill_on_drop: false }`
[INFO] [stdout] 994c6d89ed93e8d90fe1c44288d207c12699c9fbd94db820e142bd0a47dba62f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a50248fe206a04d33ba6fa1b0a881d99780c0738c31676ba5757d7f2d7c193c0
[INFO] running `Command { std: "docker" "start" "-a" "a50248fe206a04d33ba6fa1b0a881d99780c0738c31676ba5757d7f2d7c193c0", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "a50248fe206a04d33ba6fa1b0a881d99780c0738c31676ba5757d7f2d7c193c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50248fe206a04d33ba6fa1b0a881d99780c0738c31676ba5757d7f2d7c193c0", kill_on_drop: false }`
[INFO] [stdout] a50248fe206a04d33ba6fa1b0a881d99780c0738c31676ba5757d7f2d7c193c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e05f4719e3943779386be6732b9d8d1b4283c721f31d3b1c06770476871dcd29
[INFO] running `Command { std: "docker" "start" "-a" "e05f4719e3943779386be6732b9d8d1b4283c721f31d3b1c06770476871dcd29", 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)]` (part of `#[warn(unused)]`) 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 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tryagain-708e6c1d958bc419)
[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] [stderr]    Doc-tests tryagain
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/future.rs - future::retry_if (line 48) ... ok
[INFO] [stdout] test src/future.rs - future::retry (line 19) ... ok
[INFO] [stdout] test src/sync.rs - sync::retry_if (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/sync.rs - sync::retry (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e05f4719e3943779386be6732b9d8d1b4283c721f31d3b1c06770476871dcd29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05f4719e3943779386be6732b9d8d1b4283c721f31d3b1c06770476871dcd29", kill_on_drop: false }`
[INFO] [stdout] e05f4719e3943779386be6732b9d8d1b4283c721f31d3b1c06770476871dcd29