[INFO] fetching crate adaptive_backoff 0.2.1... [INFO] testing adaptive_backoff-0.2.1 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate adaptive_backoff 0.2.1 into /workspace/builds/worker-76/source [INFO] validating manifest of crates.io crate adaptive_backoff 0.2.1 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate adaptive_backoff 0.2.1 [INFO] finished tweaking crates.io crate adaptive_backoff 0.2.1 [INFO] tweaked toml for crates.io crate adaptive_backoff 0.2.1 written to /workspace/builds/worker-76/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6962a9ce07b8a00bacbc133682631d74638e7c3c99238ea01ec905a7b3cdce84 [INFO] running `Command { std: "docker" "start" "-a" "6962a9ce07b8a00bacbc133682631d74638e7c3c99238ea01ec905a7b3cdce84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6962a9ce07b8a00bacbc133682631d74638e7c3c99238ea01ec905a7b3cdce84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6962a9ce07b8a00bacbc133682631d74638e7c3c99238ea01ec905a7b3cdce84", kill_on_drop: false }` [INFO] [stdout] 6962a9ce07b8a00bacbc133682631d74638e7c3c99238ea01ec905a7b3cdce84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38f71f8d5026adfaf33f257db296dbd54829e0a0e09249a0f2058d90e0086b32 [INFO] running `Command { std: "docker" "start" "-a" "38f71f8d5026adfaf33f257db296dbd54829e0a0e09249a0f2058d90e0086b32", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling anyhow v1.0.56 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling adaptive_backoff v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.06s [INFO] [stdout] warning: field is never read: `success_step` [INFO] [stdout] --> src/lib/adaptive.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | success_step: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Adaptive` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib/adaptive.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Debug, Default)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `fail_step` [INFO] [stdout] --> src/lib/adaptive.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | fail_step: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Adaptive` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib/adaptive.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Debug, Default)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "38f71f8d5026adfaf33f257db296dbd54829e0a0e09249a0f2058d90e0086b32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38f71f8d5026adfaf33f257db296dbd54829e0a0e09249a0f2058d90e0086b32", kill_on_drop: false }` [INFO] [stdout] 38f71f8d5026adfaf33f257db296dbd54829e0a0e09249a0f2058d90e0086b32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4ff7c5a95c8bcb140307c0e14b0fc33cadb6bd55b670dc974487cea31d0b869c [INFO] running `Command { std: "docker" "start" "-a" "4ff7c5a95c8bcb140307c0e14b0fc33cadb6bd55b670dc974487cea31d0b869c", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stdout] warning: field is never read: `success_step` [INFO] [stdout] --> src/lib/adaptive.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | success_step: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Adaptive` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib/adaptive.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Debug, Default)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `fail_step` [INFO] [stdout] --> src/lib/adaptive.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | fail_step: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Adaptive` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib/adaptive.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Debug, Default)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling adaptive_backoff v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `success_step` [INFO] [stdout] --> src/lib/adaptive.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | success_step: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Adaptive` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib/adaptive.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Debug, Default)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `fail_step` [INFO] [stdout] --> src/lib/adaptive.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | fail_step: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Adaptive` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib/adaptive.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Debug, Default)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.11s [INFO] [stderr] Executable unittests src/lib/main.rs (/opt/rustwide/target/debug/deps/adaptive_backoff-82b1566cd2f4389e) [INFO] running `Command { std: "docker" "inspect" "4ff7c5a95c8bcb140307c0e14b0fc33cadb6bd55b670dc974487cea31d0b869c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ff7c5a95c8bcb140307c0e14b0fc33cadb6bd55b670dc974487cea31d0b869c", kill_on_drop: false }` [INFO] [stdout] 4ff7c5a95c8bcb140307c0e14b0fc33cadb6bd55b670dc974487cea31d0b869c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 919ef0548982457a504d11c3017e024fae4aeb4195d69753e71a1a3f9cf392cd [INFO] running `Command { std: "docker" "start" "-a" "919ef0548982457a504d11c3017e024fae4aeb4195d69753e71a1a3f9cf392cd", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `success_step` [INFO] [stderr] --> src/lib/adaptive.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | success_step: f64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Adaptive` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib/adaptive.rs:15:10 [INFO] [stderr] | [INFO] [stderr] 15 | #[derive(Debug, Default)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `fail_step` [INFO] [stderr] --> src/lib/adaptive.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | fail_step: f64, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Adaptive` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib/adaptive.rs:15:10 [INFO] [stderr] | [INFO] [stderr] 15 | #[derive(Debug, Default)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `adaptive_backoff` (lib) generated 2 warnings [INFO] [stderr] warning: `adaptive_backoff` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.46s [INFO] [stderr] Running unittests src/lib/main.rs (/opt/rustwide/target/debug/deps/adaptive_backoff-82b1566cd2f4389e) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test adaptive::test_adaptive_exp_backoff ... ok [INFO] [stdout] test backoff::test_exp_backoff ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests adaptive_backoff [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] running `Command { std: "docker" "inspect" "919ef0548982457a504d11c3017e024fae4aeb4195d69753e71a1a3f9cf392cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "919ef0548982457a504d11c3017e024fae4aeb4195d69753e71a1a3f9cf392cd", kill_on_drop: false }` [INFO] [stdout] 919ef0548982457a504d11c3017e024fae4aeb4195d69753e71a1a3f9cf392cd