[INFO] cloning repository https://github.com/redwarp/optimize-png-hooks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redwarp/optimize-png-hooks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredwarp%2Foptimize-png-hooks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredwarp%2Foptimize-png-hooks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db9b262413e1ceba48b30874df828d85cffd937e
[INFO] checking redwarp/optimize-png-hooks against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredwarp%2Foptimize-png-hooks" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redwarp/optimize-png-hooks on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redwarp/optimize-png-hooks
[INFO] finished tweaking git repo https://github.com/redwarp/optimize-png-hooks
[INFO] tweaked toml for git repo https://github.com/redwarp/optimize-png-hooks written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/redwarp/optimize-png-hooks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb v0.8.27
[INFO] [stderr]   Downloaded cloudflare-zlib-sys v0.3.0
[INFO] [stderr]   Downloaded libdeflate-sys v0.7.1
[INFO] [stderr]   Downloaded zopfli v0.4.0
[INFO] [stderr]   Downloaded oxipng v4.0.3
[INFO] [stderr]   Downloaded libdeflater v0.7.1
[INFO] [stderr]   Downloaded cloudflare-zlib v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1b566f021d34b3a4aac595c98fe496e8e6c882ba338b84203f12eebfb7ea2cb
[INFO] running `Command { std: "docker" "start" "-a" "a1b566f021d34b3a4aac595c98fe496e8e6c882ba338b84203f12eebfb7ea2cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1b566f021d34b3a4aac595c98fe496e8e6c882ba338b84203f12eebfb7ea2cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1b566f021d34b3a4aac595c98fe496e8e6c882ba338b84203f12eebfb7ea2cb", kill_on_drop: false }`
[INFO] [stdout] a1b566f021d34b3a4aac595c98fe496e8e6c882ba338b84203f12eebfb7ea2cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84f39526fde650d96b1c7855b267bf25c3ac09e9e4dc79b9fa9b0b8495d0494b
[INFO] running `Command { std: "docker" "start" "-a" "84f39526fde650d96b1c7855b267bf25c3ac09e9e4dc79b9fa9b0b8495d0494b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking wild v2.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling cloudflare-zlib-sys v0.3.0
[INFO] [stderr]    Compiling libdeflate-sys v0.7.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking zopfli v0.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking libdeflater v0.7.1
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking cloudflare-zlib v0.2.9
[INFO] [stderr]    Compiling oxipng v4.0.3
[INFO] [stderr]     Checking stderrlog v0.5.1
[INFO] [stderr]     Checking optimize_png v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.33s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking optimize_png v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "84f39526fde650d96b1c7855b267bf25c3ac09e9e4dc79b9fa9b0b8495d0494b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f39526fde650d96b1c7855b267bf25c3ac09e9e4dc79b9fa9b0b8495d0494b", kill_on_drop: false }`
[INFO] [stdout] 84f39526fde650d96b1c7855b267bf25c3ac09e9e4dc79b9fa9b0b8495d0494b