[INFO] fetching crate sightglass 0.1.0...
[INFO] testing sightglass-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate sightglass 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate sightglass 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e6aa4216f8ebc0806e591cf7f2e13f48d4a31209a024c6f363d69ce04ee65c1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8e6aa4216f8ebc0806e591cf7f2e13f48d4a31209a024c6f363d69ce04ee65c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e6aa4216f8ebc0806e591cf7f2e13f48d4a31209a024c6f363d69ce04ee65c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6aa4216f8ebc0806e591cf7f2e13f48d4a31209a024c6f363d69ce04ee65c1", kill_on_drop: false }`
[INFO] [stdout] 8e6aa4216f8ebc0806e591cf7f2e13f48d4a31209a024c6f363d69ce04ee65c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b527cbbf3f90080d8b9d86caf006732591dc98b332c2c4877e597761ce5d018
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9b527cbbf3f90080d8b9d86caf006732591dc98b332c2c4877e597761ce5d018", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling printtable v0.1.0
[INFO] [stderr]    Compiling xfailure v0.1.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling core_affinity v0.5.10
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling precision v0.1.12
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling goblin v0.0.24
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.130
[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 33.25s
[INFO] running `Command { std: "docker" "inspect" "9b527cbbf3f90080d8b9d86caf006732591dc98b332c2c4877e597761ce5d018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b527cbbf3f90080d8b9d86caf006732591dc98b332c2c4877e597761ce5d018", kill_on_drop: false }`
[INFO] [stdout] 9b527cbbf3f90080d8b9d86caf006732591dc98b332c2c4877e597761ce5d018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95981c92c8d1b119b23f7fd1a7896bf372fcdd9d25d5616fd62de98a37b4fa6b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "95981c92c8d1b119b23f7fd1a7896bf372fcdd9d25d5616fd62de98a37b4fa6b", 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 1.51s
[INFO] running `Command { std: "docker" "inspect" "95981c92c8d1b119b23f7fd1a7896bf372fcdd9d25d5616fd62de98a37b4fa6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95981c92c8d1b119b23f7fd1a7896bf372fcdd9d25d5616fd62de98a37b4fa6b", kill_on_drop: false }`
[INFO] [stdout] 95981c92c8d1b119b23f7fd1a7896bf372fcdd9d25d5616fd62de98a37b4fa6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbd8e524a327f0030b508215b067b2a54dfff60e8c1be5051ad075aacfc5f6a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bbd8e524a327f0030b508215b067b2a54dfff60e8c1be5051ad075aacfc5f6a2", 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 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sightglass-baa702dbeac2c454)
[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" "bbd8e524a327f0030b508215b067b2a54dfff60e8c1be5051ad075aacfc5f6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd8e524a327f0030b508215b067b2a54dfff60e8c1be5051ad075aacfc5f6a2", kill_on_drop: false }`
[INFO] [stdout] bbd8e524a327f0030b508215b067b2a54dfff60e8c1be5051ad075aacfc5f6a2