[INFO] fetching crate vr 0.0.0...
[INFO] testing vr-0.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate vr 0.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate vr 0.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vr 0.0.0
[INFO] finished tweaking crates.io crate vr 0.0.0
[INFO] tweaked toml for crates.io crate vr 0.0.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88191bd27c5f43d1cec7a104593c134a4f050c2521d701cb756fcf14436c853f
[INFO] running `Command { std: "docker" "start" "-a" "88191bd27c5f43d1cec7a104593c134a4f050c2521d701cb756fcf14436c853f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88191bd27c5f43d1cec7a104593c134a4f050c2521d701cb756fcf14436c853f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88191bd27c5f43d1cec7a104593c134a4f050c2521d701cb756fcf14436c853f", kill_on_drop: false }`
[INFO] [stdout] 88191bd27c5f43d1cec7a104593c134a4f050c2521d701cb756fcf14436c853f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28c92fbc2dd2230925d1534f83e38049b5fb2ce2e10b034c48d87f1825136328
[INFO] running `Command { std: "docker" "start" "-a" "28c92fbc2dd2230925d1534f83e38049b5fb2ce2e10b034c48d87f1825136328", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling bytemuck v1.9.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling noisy_float v0.2.0
[INFO] [stderr]    Compiling rgb v0.8.32
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libz-sys v1.1.5
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.13.2+1.4.2
[INFO] [stderr]    Compiling fallible_collections v0.4.4
[INFO] [stderr]    Compiling clap v3.1.8
[INFO] [stderr]    Compiling imagequant v4.0.0
[INFO] [stderr]    Compiling git2 v0.14.2
[INFO] [stderr]    Compiling vr v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Attributes`, `new`
[INFO] [stdout]  --> src/lib.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use imagequant::{Attributes, new};
[INFO] [stdout]   |                  ^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/lib.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn main() {}
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.60s
[INFO] running `Command { std: "docker" "inspect" "28c92fbc2dd2230925d1534f83e38049b5fb2ce2e10b034c48d87f1825136328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c92fbc2dd2230925d1534f83e38049b5fb2ce2e10b034c48d87f1825136328", kill_on_drop: false }`
[INFO] [stdout] 28c92fbc2dd2230925d1534f83e38049b5fb2ce2e10b034c48d87f1825136328
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c791c4807b0a0444c3e0087595c025b9fb29701cd0944df6326c5e4301306da
[INFO] running `Command { std: "docker" "start" "-a" "5c791c4807b0a0444c3e0087595c025b9fb29701cd0944df6326c5e4301306da", kill_on_drop: false }`
[INFO] [stderr]    Compiling vr v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Attributes`, `new`
[INFO] [stdout]  --> src/lib.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use imagequant::{Attributes, new};
[INFO] [stdout]   |                  ^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/lib.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn main() {}
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Attributes`, `new`
[INFO] [stdout]  --> src/lib.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use imagequant::{Attributes, new};
[INFO] [stdout]   |                  ^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c791c4807b0a0444c3e0087595c025b9fb29701cd0944df6326c5e4301306da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c791c4807b0a0444c3e0087595c025b9fb29701cd0944df6326c5e4301306da", kill_on_drop: false }`
[INFO] [stdout] 5c791c4807b0a0444c3e0087595c025b9fb29701cd0944df6326c5e4301306da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d14657e086ce87c3f67555309657449dd9e40e8219d65a27b83deb31933e316c
[INFO] running `Command { std: "docker" "start" "-a" "d14657e086ce87c3f67555309657449dd9e40e8219d65a27b83deb31933e316c", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Attributes`, `new`
[INFO] [stderr]  --> src/lib.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | use imagequant::{Attributes, new};
[INFO] [stderr]   |                  ^^^^^^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/lib.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn main() {}
[INFO] [stderr]   |    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vr` (lib) generated 2 warnings
[INFO] [stderr] warning: `vr` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vr-b6ac97ec838d0168)
[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] [stderr]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-3a4717e2fe8e0683)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ready ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vr
[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" "d14657e086ce87c3f67555309657449dd9e40e8219d65a27b83deb31933e316c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d14657e086ce87c3f67555309657449dd9e40e8219d65a27b83deb31933e316c", kill_on_drop: false }`
[INFO] [stdout] d14657e086ce87c3f67555309657449dd9e40e8219d65a27b83deb31933e316c