[INFO] fetching crate timestamp-stretcher 0.1.0...
[INFO] testing timestamp-stretcher-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate timestamp-stretcher 0.1.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate timestamp-stretcher 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate timestamp-stretcher 0.1.0
[INFO] finished tweaking crates.io crate timestamp-stretcher 0.1.0
[INFO] tweaked toml for crates.io crate timestamp-stretcher 0.1.0 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 499b4b0ce3ba751a485d8dfa3c5d7561f055a0acbfe9bd804c33041f516e37f3
[INFO] running `Command { std: "docker" "start" "-a" "499b4b0ce3ba751a485d8dfa3c5d7561f055a0acbfe9bd804c33041f516e37f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "499b4b0ce3ba751a485d8dfa3c5d7561f055a0acbfe9bd804c33041f516e37f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499b4b0ce3ba751a485d8dfa3c5d7561f055a0acbfe9bd804c33041f516e37f3", kill_on_drop: false }`
[INFO] [stdout] 499b4b0ce3ba751a485d8dfa3c5d7561f055a0acbfe9bd804c33041f516e37f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb144136770c1f54784cfebfd97c9a4d4c51676cac5f43ce4426944a62d2b772
[INFO] running `Command { std: "docker" "start" "-a" "bb144136770c1f54784cfebfd97c9a4d4c51676cac5f43ce4426944a62d2b772", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcd v2.1.0
[INFO] [stderr]    Compiling timestamp-stretcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "bb144136770c1f54784cfebfd97c9a4d4c51676cac5f43ce4426944a62d2b772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb144136770c1f54784cfebfd97c9a4d4c51676cac5f43ce4426944a62d2b772", kill_on_drop: false }`
[INFO] [stdout] bb144136770c1f54784cfebfd97c9a4d4c51676cac5f43ce4426944a62d2b772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a44893a3867c1af9d36944275f6393a036b49ca0fc6a66575e40c508100dd16a
[INFO] running `Command { std: "docker" "start" "-a" "a44893a3867c1af9d36944275f6393a036b49ca0fc6a66575e40c508100dd16a", kill_on_drop: false }`
[INFO] [stderr]    Compiling timestamp-stretcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "a44893a3867c1af9d36944275f6393a036b49ca0fc6a66575e40c508100dd16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44893a3867c1af9d36944275f6393a036b49ca0fc6a66575e40c508100dd16a", kill_on_drop: false }`
[INFO] [stdout] a44893a3867c1af9d36944275f6393a036b49ca0fc6a66575e40c508100dd16a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e6895832da555b90151be806ca217d803dd977e118797804e202bbb4723775d
[INFO] running `Command { std: "docker" "start" "-a" "1e6895832da555b90151be806ca217d803dd977e118797804e202bbb4723775d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/timestamp_stretcher-eb554ab757c6b10e)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test floating_point_stretchers_and_real_stretcher_match_for_small_data_and_lots_of_factor_changes ... ok
[INFO] [stdout] test timestamp_stretcher_first_stretching_and_then_compressing_gives_input_mostly ... ok
[INFO] [stdout] test using_floating_points_gives_rounding_errors_for_large_numbers ... ignored
[INFO] [stdout] test using_integers_does_not_give_rounding_errors_for_large_numbers ... ignored
[INFO] [stdout] test timestamp_stretcher_takes_error_into_account_when_rounding ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests timestamp-stretcher
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - TimestampStretcher::stretch (line 120) ... ok
[INFO] [stdout] test src/lib.rs - TimestampStretcher::new (line 72) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e6895832da555b90151be806ca217d803dd977e118797804e202bbb4723775d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e6895832da555b90151be806ca217d803dd977e118797804e202bbb4723775d", kill_on_drop: false }`
[INFO] [stdout] 1e6895832da555b90151be806ca217d803dd977e118797804e202bbb4723775d