[INFO] fetching crate image-encoder 0.1.0...
[INFO] testing image-encoder-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate image-encoder 0.1.0 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate image-encoder 0.1.0 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 image-encoder 0.1.0
[INFO] finished tweaking crates.io crate image-encoder 0.1.0
[INFO] tweaked toml for crates.io crate image-encoder 0.1.0 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate crates.io crate image-encoder 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scrap v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] b02c115688c04ed9b7c330e6c92e18f2ad39f38fa25966a28e5ed6a69f117611
[INFO] running `Command { std: "docker" "start" "-a" "b02c115688c04ed9b7c330e6c92e18f2ad39f38fa25966a28e5ed6a69f117611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b02c115688c04ed9b7c330e6c92e18f2ad39f38fa25966a28e5ed6a69f117611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02c115688c04ed9b7c330e6c92e18f2ad39f38fa25966a28e5ed6a69f117611", kill_on_drop: false }`
[INFO] [stdout] b02c115688c04ed9b7c330e6c92e18f2ad39f38fa25966a28e5ed6a69f117611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] afd3c1dc6f50640db4607e50b6e05c8ff7ba6a8a822fec5f90b7b4920fe4578a
[INFO] running `Command { std: "docker" "start" "-a" "afd3c1dc6f50640db4607e50b6e05c8ff7ba6a8a822fec5f90b7b4920fe4578a", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling image-encoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/png/zlib.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 (n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }})
[INFO] [stdout]    |                 ^                                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -                 (n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }})
[INFO] [stdout] 13 +                 n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }}
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "afd3c1dc6f50640db4607e50b6e05c8ff7ba6a8a822fec5f90b7b4920fe4578a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afd3c1dc6f50640db4607e50b6e05c8ff7ba6a8a822fec5f90b7b4920fe4578a", kill_on_drop: false }`
[INFO] [stdout] afd3c1dc6f50640db4607e50b6e05c8ff7ba6a8a822fec5f90b7b4920fe4578a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] c7049221707a0315b397e8610c8a7e4a0750c76d8d3734f9ec887df1a627ae8d
[INFO] running `Command { std: "docker" "start" "-a" "c7049221707a0315b397e8610c8a7e4a0750c76d8d3734f9ec887df1a627ae8d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling scrap v0.5.0
[INFO] [stderr]    Compiling block v0.1.6
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/png/zlib.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 (n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }})
[INFO] [stdout]    |                 ^                                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -                 (n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }})
[INFO] [stdout] 13 +                 n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }}
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling image-encoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/png/zlib.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 (n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }})
[INFO] [stdout]    |                 ^                                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -                 (n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }})
[INFO] [stdout] 13 +                 n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }}
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.93s
[INFO] running `Command { std: "docker" "inspect" "c7049221707a0315b397e8610c8a7e4a0750c76d8d3734f9ec887df1a627ae8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7049221707a0315b397e8610c8a7e4a0750c76d8d3734f9ec887df1a627ae8d", kill_on_drop: false }`
[INFO] [stdout] c7049221707a0315b397e8610c8a7e4a0750c76d8d3734f9ec887df1a627ae8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] c7644df8be8183c77337d8a5da7ea51524810b17ba2df5f377df797e5af5d1d2
[INFO] running `Command { std: "docker" "start" "-a" "c7644df8be8183c77337d8a5da7ea51524810b17ba2df5f377df797e5af5d1d2", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] 
[INFO] [stderr]   --> src/png/zlib.rs:13:17
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 13 |                 (n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }})
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                 ^                                                                         ^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 13 -                 (n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }})
[INFO] [stderr] 13 +                 n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }}
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `image-encoder` (lib) generated 1 warning
[INFO] [stderr] warning: `image-encoder` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/image_encoder-37d7906f82d60a98)
[INFO] [stderr]    Doc-tests image-encoder
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/png/zlib.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |                 (n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }})
[INFO] [stderr]    |                 ^                                                                         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 13 -                 (n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }})
[INFO] [stderr] 13 +                 n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }}
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "c7644df8be8183c77337d8a5da7ea51524810b17ba2df5f377df797e5af5d1d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7644df8be8183c77337d8a5da7ea51524810b17ba2df5f377df797e5af5d1d2", kill_on_drop: false }`
[INFO] [stdout] c7644df8be8183c77337d8a5da7ea51524810b17ba2df5f377df797e5af5d1d2