[INFO] fetching crate sightglass 0.1.0...
[INFO] testing sightglass-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate sightglass 0.1.0 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate sightglass 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sightglass 0.1.0
[INFO] finished tweaking crates.io crate sightglass 0.1.0
[INFO] tweaked toml for crates.io crate sightglass 0.1.0 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cc09c56bd917306fe97c39e0006149c034720d40fe80774c88f0ab84c9748b2
[INFO] running `Command { std: "docker" "start" "-a" "3cc09c56bd917306fe97c39e0006149c034720d40fe80774c88f0ab84c9748b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cc09c56bd917306fe97c39e0006149c034720d40fe80774c88f0ab84c9748b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc09c56bd917306fe97c39e0006149c034720d40fe80774c88f0ab84c9748b2", kill_on_drop: false }`
[INFO] [stdout] 3cc09c56bd917306fe97c39e0006149c034720d40fe80774c88f0ab84c9748b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 886766da361db8c7cfe2c8eea8daf9300d4b790fd60c908a365e2b3d5f9c6001
[INFO] running `Command { std: "docker" "start" "-a" "886766da361db8c7cfe2c8eea8daf9300d4b790fd60c908a365e2b3d5f9c6001", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling printtable v0.1.0
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling xfailure v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling precision v0.1.12
[INFO] [stderr]    Compiling core_affinity v0.5.10
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling goblin v0.0.24
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling sightglass v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `precision`
[INFO] [stdout]   --> src/bench.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     precision: Precision,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.04s
[INFO] running `Command { std: "docker" "inspect" "886766da361db8c7cfe2c8eea8daf9300d4b790fd60c908a365e2b3d5f9c6001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "886766da361db8c7cfe2c8eea8daf9300d4b790fd60c908a365e2b3d5f9c6001", kill_on_drop: false }`
[INFO] [stdout] 886766da361db8c7cfe2c8eea8daf9300d4b790fd60c908a365e2b3d5f9c6001
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f2723ee8bb959a93249a1a50119e08e44c29a9282b7f543b9b50789cf22c37c
[INFO] running `Command { std: "docker" "start" "-a" "6f2723ee8bb959a93249a1a50119e08e44c29a9282b7f543b9b50789cf22c37c", kill_on_drop: false }`
[INFO] [stderr]    Compiling sightglass v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `precision`
[INFO] [stdout]   --> src/bench.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     precision: Precision,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "6f2723ee8bb959a93249a1a50119e08e44c29a9282b7f543b9b50789cf22c37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f2723ee8bb959a93249a1a50119e08e44c29a9282b7f543b9b50789cf22c37c", kill_on_drop: false }`
[INFO] [stdout] 6f2723ee8bb959a93249a1a50119e08e44c29a9282b7f543b9b50789cf22c37c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53b19d044e8cf392fc5778cd92670acd87a35206260387e97bb473938d8a1278
[INFO] running `Command { std: "docker" "start" "-a" "53b19d044e8cf392fc5778cd92670acd87a35206260387e97bb473938d8a1278", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `precision`
[INFO] [stderr]   --> src/bench.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     precision: Precision,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sightglass` (bin "sightglass" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sightglass-b2ea3ce166cc1b2c)
[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" "53b19d044e8cf392fc5778cd92670acd87a35206260387e97bb473938d8a1278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b19d044e8cf392fc5778cd92670acd87a35206260387e97bb473938d8a1278", kill_on_drop: false }`
[INFO] [stdout] 53b19d044e8cf392fc5778cd92670acd87a35206260387e97bb473938d8a1278