[INFO] fetching crate fixed-sqrt 0.2.4...
[INFO] testing fixed-sqrt-0.2.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate fixed-sqrt 0.2.4 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate fixed-sqrt 0.2.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-15/source/rust-toolchain
[INFO] started tweaking crates.io crate fixed-sqrt 0.2.4
[INFO] finished tweaking crates.io crate fixed-sqrt 0.2.4
[INFO] tweaked toml for crates.io crate fixed-sqrt 0.2.4 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate fixed-sqrt 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ff7fd374210fa4d2d0113f209d3423f77045b846d8f2782b02a5d2c64a3bf3a
[INFO] running `Command { std: "docker" "start" "-a" "0ff7fd374210fa4d2d0113f209d3423f77045b846d8f2782b02a5d2c64a3bf3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ff7fd374210fa4d2d0113f209d3423f77045b846d8f2782b02a5d2c64a3bf3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff7fd374210fa4d2d0113f209d3423f77045b846d8f2782b02a5d2c64a3bf3a", kill_on_drop: false }`
[INFO] [stdout] 0ff7fd374210fa4d2d0113f209d3423f77045b846d8f2782b02a5d2c64a3bf3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5598607c5f4dfed48ad29281b5e14ccd74af7baa9dd11d80fb92235c70ca4ce9
[INFO] running `Command { std: "docker" "start" "-a" "5598607c5f4dfed48ad29281b5e14ccd74af7baa9dd11d80fb92235c70ca4ce9", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling fixed v1.1.0
[INFO] [stderr]    Compiling integer-sqrt v0.1.3
[INFO] [stderr]    Compiling fixed-sqrt v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.21s
[INFO] running `Command { std: "docker" "inspect" "5598607c5f4dfed48ad29281b5e14ccd74af7baa9dd11d80fb92235c70ca4ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5598607c5f4dfed48ad29281b5e14ccd74af7baa9dd11d80fb92235c70ca4ce9", kill_on_drop: false }`
[INFO] [stdout] 5598607c5f4dfed48ad29281b5e14ccd74af7baa9dd11d80fb92235c70ca4ce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09a8087bc723e28eb6097c71ca82434eadfbeb7a95fac94ea6966f3644ce85e4
[INFO] running `Command { std: "docker" "start" "-a" "09a8087bc723e28eb6097c71ca82434eadfbeb7a95fac94ea6966f3644ce85e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling fixed-sqrt v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `fixed`
[INFO] [stdout]   --> examples/errors.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 |   pub fixed   : F,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sqrt`
[INFO] [stdout]   --> examples/errors.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 |   pub sqrt    : F,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `exact`
[INFO] [stdout]   --> examples/errors.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   pub exact   : f64,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.70s
[INFO] running `Command { std: "docker" "inspect" "09a8087bc723e28eb6097c71ca82434eadfbeb7a95fac94ea6966f3644ce85e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a8087bc723e28eb6097c71ca82434eadfbeb7a95fac94ea6966f3644ce85e4", kill_on_drop: false }`
[INFO] [stdout] 09a8087bc723e28eb6097c71ca82434eadfbeb7a95fac94ea6966f3644ce85e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cab984ca453374038ff40030258207e5f1a84573360e5e0724ab1c087d8e21d2
[INFO] running `Command { std: "docker" "start" "-a" "cab984ca453374038ff40030258207e5f1a84573360e5e0724ab1c087d8e21d2", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `fixed`
[INFO] [stderr]   --> examples/errors.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |   pub fixed   : F,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sqrt`
[INFO] [stderr]   --> examples/errors.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub sqrt    : F,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `exact`
[INFO] [stderr]   --> examples/errors.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 |   pub exact   : f64,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fixed-sqrt` (example "errors") generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fixed_sqrt-7b92b7df0c0169b8)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_sqrt_max ... ok
[INFO] [stdout] test tests::test_sqrt ... ok
[INFO] [stdout] test tests::test_sqrt_negative - should panic ... ok
[INFO] [stdout] test tests::test_sqrt_signed_exhaustive ... ok
[INFO] [stderr]    Doc-tests fixed-sqrt
[INFO] [stdout] test tests::test_sqrt_unsigned_exhaustive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[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" "cab984ca453374038ff40030258207e5f1a84573360e5e0724ab1c087d8e21d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab984ca453374038ff40030258207e5f1a84573360e5e0724ab1c087d8e21d2", kill_on_drop: false }`
[INFO] [stdout] cab984ca453374038ff40030258207e5f1a84573360e5e0724ab1c087d8e21d2