[INFO] fetching crate histo_fp 0.2.1... [INFO] testing histo_fp-0.2.1 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate histo_fp 0.2.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate histo_fp 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 histo_fp 0.2.1 [INFO] finished tweaking crates.io crate histo_fp 0.2.1 [INFO] tweaked toml for crates.io crate histo_fp 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate histo_fp 0.2.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 94b004081b2e5452ba643e0d87f081fad0ebdbe281a3946ce5c44273e5787f05 [INFO] running `Command { std: "docker" "start" "-a" "94b004081b2e5452ba643e0d87f081fad0ebdbe281a3946ce5c44273e5787f05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94b004081b2e5452ba643e0d87f081fad0ebdbe281a3946ce5c44273e5787f05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94b004081b2e5452ba643e0d87f081fad0ebdbe281a3946ce5c44273e5787f05", kill_on_drop: false }` [INFO] [stdout] 94b004081b2e5452ba643e0d87f081fad0ebdbe281a3946ce5c44273e5787f05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1c4266f37db528b64ccf54999a296d78d676689249c89d0af854645e61acfe3c [INFO] running `Command { std: "docker" "start" "-a" "1c4266f37db528b64ccf54999a296d78d676689249c89d0af854645e61acfe3c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling noisy_float v0.1.12 [INFO] [stderr] Compiling streaming-stats v0.1.29 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling histo_fp v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `precision` [INFO] [stdout] --> src/lib.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | precision: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Histogram` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | #[derive(Debug, Clone)] [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.33s [INFO] running `Command { std: "docker" "inspect" "1c4266f37db528b64ccf54999a296d78d676689249c89d0af854645e61acfe3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c4266f37db528b64ccf54999a296d78d676689249c89d0af854645e61acfe3c", kill_on_drop: false }` [INFO] [stdout] 1c4266f37db528b64ccf54999a296d78d676689249c89d0af854645e61acfe3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3c16115212fe455a539d2f1a8849e995c326ac31ad7abc6621508d5d56fac5fc [INFO] running `Command { std: "docker" "start" "-a" "3c16115212fe455a539d2f1a8849e995c326ac31ad7abc6621508d5d56fac5fc", kill_on_drop: false }` [INFO] [stdout] warning: field is never read: `precision` [INFO] [stdout] --> src/lib.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | precision: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Histogram` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | #[derive(Debug, Clone)] [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling histo_fp v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `precision` [INFO] [stdout] --> src/lib.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | precision: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Histogram` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | #[derive(Debug, Clone)] [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.56s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/histo_fp-5278c77c9be87fce) [INFO] [stderr] Executable unittests src/bin/histo_fp.rs (/opt/rustwide/target/debug/deps/histo_fp-5ae8efde6be1c155) [INFO] running `Command { std: "docker" "inspect" "3c16115212fe455a539d2f1a8849e995c326ac31ad7abc6621508d5d56fac5fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c16115212fe455a539d2f1a8849e995c326ac31ad7abc6621508d5d56fac5fc", kill_on_drop: false }` [INFO] [stdout] 3c16115212fe455a539d2f1a8849e995c326ac31ad7abc6621508d5d56fac5fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5e16a5fbfa86fd4f676de93166a3363e4f183bedee9a61b8425cedbf77a316bf [INFO] running `Command { std: "docker" "start" "-a" "5e16a5fbfa86fd4f676de93166a3363e4f183bedee9a61b8425cedbf77a316bf", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `precision` [INFO] [stderr] --> src/lib.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | precision: u32, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Histogram` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:81:10 [INFO] [stderr] | [INFO] [stderr] 81 | #[derive(Debug, Clone)] [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: `histo_fp` (lib) generated 1 warning [INFO] [stderr] warning: `histo_fp` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/histo_fp-5278c77c9be87fce) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::bucket_count ... ok [INFO] [stdout] test tests::bucket_count_one ... ok [INFO] [stdout] test tests::overflow_panic ... ok [INFO] [stdout] test tests::num_buckets ... ok [INFO] [stdout] test tests::add ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/histo_fp.rs (/opt/rustwide/target/debug/deps/histo_fp-5ae8efde6be1c155) [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 histo_fp [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 12) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5e16a5fbfa86fd4f676de93166a3363e4f183bedee9a61b8425cedbf77a316bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e16a5fbfa86fd4f676de93166a3363e4f183bedee9a61b8425cedbf77a316bf", kill_on_drop: false }` [INFO] [stdout] 5e16a5fbfa86fd4f676de93166a3363e4f183bedee9a61b8425cedbf77a316bf