[INFO] fetching crate smush 0.1.5...
[INFO] building smush-0.1.5 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate smush 0.1.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate smush 0.1.5
[INFO] finished tweaking crates.io crate smush 0.1.5
[INFO] tweaked toml for crates.io crate smush 0.1.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smush 0.1.5 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate smush 0.1.5 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.5.1+zstd.1.4.4` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 044dab57f7e54c026b1aa0a5c3f219872a9896032cc968a6e4a8a907d90c3cea
[INFO] running `Command { std: "docker" "start" "-a" "044dab57f7e54c026b1aa0a5c3f219872a9896032cc968a6e4a8a907d90c3cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "044dab57f7e54c026b1aa0a5c3f219872a9896032cc968a6e4a8a907d90c3cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044dab57f7e54c026b1aa0a5c3f219872a9896032cc968a6e4a8a907d90c3cea", kill_on_drop: false }`
[INFO] [stdout] 044dab57f7e54c026b1aa0a5c3f219872a9896032cc968a6e4a8a907d90c3cea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 732a2ccdf32e9795024b981788910c4335807d738d5804f66a47678e508b6970
[INFO] running `Command { std: "docker" "start" "-a" "732a2ccdf32e9795024b981788910c4335807d738d5804f66a47678e508b6970", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.5.1+zstd.1.4.4` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling brotli-decompressor v2.3.0
[INFO] [stderr]    Compiling bs58 v0.3.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling lzma-sys v0.1.15
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling brotli v3.3.0
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling lz4 v1.23.1
[INFO] [stderr]    Compiling zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]    Compiling zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]    Compiling smush v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 06s
[INFO] running `Command { std: "docker" "inspect" "732a2ccdf32e9795024b981788910c4335807d738d5804f66a47678e508b6970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732a2ccdf32e9795024b981788910c4335807d738d5804f66a47678e508b6970", kill_on_drop: false }`
[INFO] [stdout] 732a2ccdf32e9795024b981788910c4335807d738d5804f66a47678e508b6970
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69125b127086164ec0ef3d6aebcd2b56d48b645b1e1501c0a628ae2a30ad7fb9
[INFO] running `Command { std: "docker" "start" "-a" "69125b127086164ec0ef3d6aebcd2b56d48b645b1e1501c0a628ae2a30ad7fb9", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.5.1+zstd.1.4.4` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling smush v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "69125b127086164ec0ef3d6aebcd2b56d48b645b1e1501c0a628ae2a30ad7fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69125b127086164ec0ef3d6aebcd2b56d48b645b1e1501c0a628ae2a30ad7fb9", kill_on_drop: false }`
[INFO] [stdout] 69125b127086164ec0ef3d6aebcd2b56d48b645b1e1501c0a628ae2a30ad7fb9