[INFO] fetching crate histogram 0.6.9...
[INFO] testing histogram-0.6.9 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate histogram 0.6.9 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate histogram 0.6.9 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 histogram 0.6.9
[INFO] finished tweaking crates.io crate histogram 0.6.9
[INFO] tweaked toml for crates.io crate histogram 0.6.9 written to /workspace/builds/worker-26/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] 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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 6c57fc8f6581edf38b1bf3bf4695bad6cd34ff5ee7564d2e3f1afae5587fb2af
[INFO] running `Command { std: "docker" "start" "-a" "6c57fc8f6581edf38b1bf3bf4695bad6cd34ff5ee7564d2e3f1afae5587fb2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c57fc8f6581edf38b1bf3bf4695bad6cd34ff5ee7564d2e3f1afae5587fb2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c57fc8f6581edf38b1bf3bf4695bad6cd34ff5ee7564d2e3f1afae5587fb2af", kill_on_drop: false }`
[INFO] [stdout] 6c57fc8f6581edf38b1bf3bf4695bad6cd34ff5ee7564d2e3f1afae5587fb2af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 35502b4772d65b41b673c6d9432a609cfac8cbbd411ab0f1aebb9fd273375fb1
[INFO] running `Command { std: "docker" "start" "-a" "35502b4772d65b41b673c6d9432a609cfac8cbbd411ab0f1aebb9fd273375fb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling histogram v0.6.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "35502b4772d65b41b673c6d9432a609cfac8cbbd411ab0f1aebb9fd273375fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35502b4772d65b41b673c6d9432a609cfac8cbbd411ab0f1aebb9fd273375fb1", kill_on_drop: false }`
[INFO] [stdout] 35502b4772d65b41b673c6d9432a609cfac8cbbd411ab0f1aebb9fd273375fb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 161502a9e9305975924b5a0b3630c6d8c83c37e412eb202fa17662d3ee790b87
[INFO] running `Command { std: "docker" "start" "-a" "161502a9e9305975924b5a0b3630c6d8c83c37e412eb202fa17662d3ee790b87", kill_on_drop: false }`
[INFO] [stderr]    Compiling histogram v0.6.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/histogram-882b8405d0cad0ca)
[INFO] running `Command { std: "docker" "inspect" "161502a9e9305975924b5a0b3630c6d8c83c37e412eb202fa17662d3ee790b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161502a9e9305975924b5a0b3630c6d8c83c37e412eb202fa17662d3ee790b87", kill_on_drop: false }`
[INFO] [stdout] 161502a9e9305975924b5a0b3630c6d8c83c37e412eb202fa17662d3ee790b87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 7177504f29990c61dafe8233a61b90d204e560a1cc6f46feb6a528d4d07bc43f
[INFO] running `Command { std: "docker" "start" "-a" "7177504f29990c61dafe8233a61b90d204e560a1cc6f46feb6a528d4d07bc43f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/histogram-882b8405d0cad0ca)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::test_decrement_by_example_0 ... ok
[INFO] [stdout] test tests::test_get ... ok
[INFO] [stdout] test tests::test_decrement_example_0 ... ok
[INFO] [stdout] test tests::test_increment_1 ... ok
[INFO] [stdout] test tests::test_index_value_0 ... ok
[INFO] [stdout] test tests::test_index_value_1 ... ok
[INFO] [stdout] test tests::test_get_index_0 ... ok
[INFO] [stdout] test tests::test_iterator ... ok
[INFO] [stdout] test tests::test_width_1 ... ok
[INFO] [stdout] test tests::test_too_large ... ok
[INFO] [stdout] test tests::test_index_value_2 ... ok
[INFO] [stdout] test tests::test_percentile_bad ... ok
[INFO] [stdout] test tests::test_percentile ... ok
[INFO] [stdout] test tests::test_width_2 ... ok
[INFO] [stdout] test tests::test_width_3 ... ok
[INFO] [stdout] test tests::test_decrement_4 - should panic ... ok
[INFO] [stdout] test tests::test_decrement_5 - should panic ... ok
[INFO] [stdout] test tests::test_increment_0 ... ok
[INFO] [stdout] test tests::test_decrement_0 ... ok
[INFO] [stdout] test tests::test_decrement_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests histogram
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test src/lib.rs - Config::precision (line 98) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::configure (line 338) ... ok
[INFO] [stdout] test src/lib.rs - Config::max_value (line 124) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::decrement_by (line 476) ... ok
[INFO] [stdout] test src/lib.rs - Bucket::id (line 232) ... ok
[INFO] [stdout] test src/lib.rs - Bucket::value (line 206) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::get (line 521) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::new (line 327) ... ok
[INFO] [stdout] test src/lib.rs - Bucket::width (line 245) ... ok
[INFO] [stdout] test src/lib.rs - Config::new (line 87) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::entries (line 822) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::buckets_total (line 837) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::maximum (line 679) ... ok
[INFO] [stdout] test src/lib.rs - Config::max_memory (line 111) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::clear (line 386) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::increment (line 406) ... ok
[INFO] [stdout] test src/lib.rs - Bucket::count (line 219) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::increment_by (line 421) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::minimum (line 664) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::stddev (line 756) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::stdvar (line 722) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::mean (line 694) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::merge (line 793) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::percentile (line 590) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::decrement (line 458) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7177504f29990c61dafe8233a61b90d204e560a1cc6f46feb6a528d4d07bc43f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7177504f29990c61dafe8233a61b90d204e560a1cc6f46feb6a528d4d07bc43f", kill_on_drop: false }`
[INFO] [stdout] 7177504f29990c61dafe8233a61b90d204e560a1cc6f46feb6a528d4d07bc43f