[INFO] fetching crate exr 1.4.1...
[INFO] testing exr-1.4.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate exr 1.4.1 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate exr 1.4.1 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 exr 1.4.1
[INFO] finished tweaking crates.io crate exr 1.4.1
[INFO] tweaked toml for crates.io crate exr 1.4.1 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate crates.io crate exr 1.4.1 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 lebe v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] a3addfc7ceb47d2496cb0aefe2ccec5bafb48e7a22228399857a04a37ef1b543
[INFO] running `Command { std: "docker" "start" "-a" "a3addfc7ceb47d2496cb0aefe2ccec5bafb48e7a22228399857a04a37ef1b543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3addfc7ceb47d2496cb0aefe2ccec5bafb48e7a22228399857a04a37ef1b543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3addfc7ceb47d2496cb0aefe2ccec5bafb48e7a22228399857a04a37ef1b543", kill_on_drop: false }`
[INFO] [stdout] a3addfc7ceb47d2496cb0aefe2ccec5bafb48e7a22228399857a04a37ef1b543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 030e3caf133189a38f7c0da4ba9e89d17c5229d344b08de466e6c8f7efff5722
[INFO] running `Command { std: "docker" "start" "-a" "030e3caf133189a38f7c0da4ba9e89d17c5229d344b08de466e6c8f7efff5722", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling lebe v0.5.1
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling flume v0.10.9
[INFO] [stderr]    Compiling exr v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 19.54s
[INFO] running `Command { std: "docker" "inspect" "030e3caf133189a38f7c0da4ba9e89d17c5229d344b08de466e6c8f7efff5722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030e3caf133189a38f7c0da4ba9e89d17c5229d344b08de466e6c8f7efff5722", kill_on_drop: false }`
[INFO] [stdout] 030e3caf133189a38f7c0da4ba9e89d17c5229d344b08de466e6c8f7efff5722
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 0ce85ada71dce29dcbee29d35d7c78f6dde66a33d3b72555e0598fe254e3a634
[INFO] running `Command { std: "docker" "start" "-a" "0ce85ada71dce29dcbee29d35d7c78f6dde66a33d3b72555e0598fe254e3a634", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling exr v1.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `layer_name`
[INFO] [stdout]   --> examples/8_custom_read.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         layer_name: Option<Text>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Layer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> examples/8_custom_read.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |     #[derive(Debug)]
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `channel_name`
[INFO] [stdout]   --> examples/8_custom_read.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         channel_name: Text,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Channel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> examples/8_custom_read.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[derive(Debug)]
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exr`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name 5_extract_pngs --edition=2018 examples/5_extract_pngs.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C opt-level=3 -C lto -C debuginfo=2 -C debug-assertions=on -C metadata=a648f38d82c94663 -C extra-filename=-a648f38d82c94663 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern bencher=/opt/rustwide/target/debug/deps/libbencher-5184407c735e36be.rlib --extern bit_field=/opt/rustwide/target/debug/deps/libbit_field-a6d4bf18919e0581.rlib --extern deflate=/opt/rustwide/target/debug/deps/libdeflate-303d363378d0ea25.rlib --extern exr=/opt/rustwide/target/debug/deps/libexr-ac5f7e3d5673f742.rlib --extern flume=/opt/rustwide/target/debug/deps/libflume-356c08110907dd6e.rlib --extern half=/opt/rustwide/target/debug/deps/libhalf-a005d4d98bdb6096.rlib --extern image=/opt/rustwide/target/debug/deps/libimage-2a25e6d1dbfd78a7.rlib --extern inflate=/opt/rustwide/target/debug/deps/libinflate-ab5316ef4b7f2c02.rlib --extern lebe=/opt/rustwide/target/debug/deps/liblebe-86e754fda5a02225.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-d944983b927ffa41.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-a8c14f81d175cf62.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-acb2a8b1747a7a61.rlib --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-1a34d2538959985d.rlib --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-fad2a6cff61a70d6.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0ce85ada71dce29dcbee29d35d7c78f6dde66a33d3b72555e0598fe254e3a634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce85ada71dce29dcbee29d35d7c78f6dde66a33d3b72555e0598fe254e3a634", kill_on_drop: false }`
[INFO] [stdout] 0ce85ada71dce29dcbee29d35d7c78f6dde66a33d3b72555e0598fe254e3a634