[INFO] fetching crate fastgif 0.1.0...
[INFO] testing fastgif-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate fastgif 0.1.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate fastgif 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 fastgif 0.1.0
[INFO] finished tweaking crates.io crate fastgif 0.1.0
[INFO] tweaked toml for crates.io crate fastgif 0.1.0 written to /workspace/builds/worker-18/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] fc88d61dd0c003f05e3e46cf70e3b97dea8a03a7669bd73718f157925ac0dab8
[INFO] running `Command { std: "docker" "start" "-a" "fc88d61dd0c003f05e3e46cf70e3b97dea8a03a7669bd73718f157925ac0dab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc88d61dd0c003f05e3e46cf70e3b97dea8a03a7669bd73718f157925ac0dab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc88d61dd0c003f05e3e46cf70e3b97dea8a03a7669bd73718f157925ac0dab8", kill_on_drop: false }`
[INFO] [stdout] fc88d61dd0c003f05e3e46cf70e3b97dea8a03a7669bd73718f157925ac0dab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] e7a17f99b6072032074412bad8d1c531df069163d74fb3a89a6fcbd7ba91044d
[INFO] running `Command { std: "docker" "start" "-a" "e7a17f99b6072032074412bad8d1c531df069163d74fb3a89a6fcbd7ba91044d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling fastgif v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "e7a17f99b6072032074412bad8d1c531df069163d74fb3a89a6fcbd7ba91044d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7a17f99b6072032074412bad8d1c531df069163d74fb3a89a6fcbd7ba91044d", kill_on_drop: false }`
[INFO] [stdout] e7a17f99b6072032074412bad8d1c531df069163d74fb3a89a6fcbd7ba91044d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] fbd3b537e713299af064eadb08c4e5a4d0de734c4c1326cb6198a7b68403379d
[INFO] running `Command { std: "docker" "start" "-a" "fbd3b537e713299af064eadb08c4e5a4d0de734c4c1326cb6198a7b68403379d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fastgif v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "fbd3b537e713299af064eadb08c4e5a4d0de734c4c1326cb6198a7b68403379d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd3b537e713299af064eadb08c4e5a4d0de734c4c1326cb6198a7b68403379d", kill_on_drop: false }`
[INFO] [stdout] fbd3b537e713299af064eadb08c4e5a4d0de734c4c1326cb6198a7b68403379d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 74bf749aeb88d6746bc87fea27cd6b6b61a83f2939b9384832ecd19b994edbbf
[INFO] running `Command { std: "docker" "start" "-a" "74bf749aeb88d6746bc87fea27cd6b6b61a83f2939b9384832ecd19b994edbbf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fastgif-3269beb290a382f5)
[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" "74bf749aeb88d6746bc87fea27cd6b6b61a83f2939b9384832ecd19b994edbbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74bf749aeb88d6746bc87fea27cd6b6b61a83f2939b9384832ecd19b994edbbf", kill_on_drop: false }`
[INFO] [stdout] 74bf749aeb88d6746bc87fea27cd6b6b61a83f2939b9384832ecd19b994edbbf