[INFO] fetching crate pngtools 1.0.2...
[INFO] testing pngtools-1.0.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate pngtools 1.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate pngtools 1.0.2
[INFO] finished tweaking crates.io crate pngtools 1.0.2
[INFO] tweaked toml for crates.io crate pngtools 1.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pngtools 1.0.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pngtools 1.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d90a7cedd9ae61dfd2d57f064274b3e33d4b539dc710f8efc995c195304d95c8
[INFO] running `Command { std: "docker" "start" "-a" "d90a7cedd9ae61dfd2d57f064274b3e33d4b539dc710f8efc995c195304d95c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d90a7cedd9ae61dfd2d57f064274b3e33d4b539dc710f8efc995c195304d95c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90a7cedd9ae61dfd2d57f064274b3e33d4b539dc710f8efc995c195304d95c8", kill_on_drop: false }`
[INFO] [stdout] d90a7cedd9ae61dfd2d57f064274b3e33d4b539dc710f8efc995c195304d95c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c42e84d1c7c685f1f6a7f0049c259b069ffeab9cd0873bb86fa9e7fd596f7e6
[INFO] running `Command { std: "docker" "start" "-a" "0c42e84d1c7c685f1f6a7f0049c259b069ffeab9cd0873bb86fa9e7fd596f7e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngtools v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "0c42e84d1c7c685f1f6a7f0049c259b069ffeab9cd0873bb86fa9e7fd596f7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c42e84d1c7c685f1f6a7f0049c259b069ffeab9cd0873bb86fa9e7fd596f7e6", kill_on_drop: false }`
[INFO] [stdout] 0c42e84d1c7c685f1f6a7f0049c259b069ffeab9cd0873bb86fa9e7fd596f7e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d05701412bd1ffde03f35c3e2774d5ce952b7fa1bda4436b00e0fdfcfea668ac
[INFO] running `Command { std: "docker" "start" "-a" "d05701412bd1ffde03f35c3e2774d5ce952b7fa1bda4436b00e0fdfcfea668ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngtools v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "d05701412bd1ffde03f35c3e2774d5ce952b7fa1bda4436b00e0fdfcfea668ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d05701412bd1ffde03f35c3e2774d5ce952b7fa1bda4436b00e0fdfcfea668ac", kill_on_drop: false }`
[INFO] [stdout] d05701412bd1ffde03f35c3e2774d5ce952b7fa1bda4436b00e0fdfcfea668ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55b9caf893c2ecab9fe8bfb053ed63cbc8753872bd7a3ce7a58c5aa9fe5d7901
[INFO] running `Command { std: "docker" "start" "-a" "55b9caf893c2ecab9fe8bfb053ed63cbc8753872bd7a3ce7a58c5aa9fe5d7901", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pngtools-0f12ec521264abf5)
[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" "55b9caf893c2ecab9fe8bfb053ed63cbc8753872bd7a3ce7a58c5aa9fe5d7901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b9caf893c2ecab9fe8bfb053ed63cbc8753872bd7a3ce7a58c5aa9fe5d7901", kill_on_drop: false }`
[INFO] [stdout] 55b9caf893c2ecab9fe8bfb053ed63cbc8753872bd7a3ce7a58c5aa9fe5d7901