[INFO] fetching crate audiotags 0.2.7182...
[INFO] checking audiotags-0.2.7182 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate audiotags 0.2.7182 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate audiotags 0.2.7182 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate audiotags 0.2.7182
[INFO] finished tweaking crates.io crate audiotags 0.2.7182
[INFO] tweaked toml for crates.io crate audiotags 0.2.7182 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate audiotags 0.2.7182 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--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 audiotags-dev-macro v0.1.4
[INFO] [stderr]   Downloaded id3 v0.5.1
[INFO] [stderr]   Downloaded mp4ameta_proc v0.1.0
[INFO] [stderr]   Downloaded mp4ameta v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5fe5bb04301cc11c70c7d7f2c78bb283d4d7a9d9005fad93629fcdd64d3b3a1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a5fe5bb04301cc11c70c7d7f2c78bb283d4d7a9d9005fad93629fcdd64d3b3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5fe5bb04301cc11c70c7d7f2c78bb283d4d7a9d9005fad93629fcdd64d3b3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5fe5bb04301cc11c70c7d7f2c78bb283d4d7a9d9005fad93629fcdd64d3b3a1", kill_on_drop: false }`
[INFO] [stdout] a5fe5bb04301cc11c70c7d7f2c78bb283d4d7a9d9005fad93629fcdd64d3b3a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19b45f292e17d6f8b60e063d8a871a0f34aa3cb32801f97d0701b42add971d7e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "19b45f292e17d6f8b60e063d8a871a0f34aa3cb32801f97d0701b42add971d7e", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling mp4ameta_proc v0.1.0
[INFO] [stderr]     Checking audiotags-dev-macro v0.1.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking mp4ameta v0.6.0
[INFO] [stderr]     Checking metaflac v0.2.4
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking id3 v0.5.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking audiotags v0.2.7182 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.60s
[INFO] running `Command { std: "docker" "inspect" "19b45f292e17d6f8b60e063d8a871a0f34aa3cb32801f97d0701b42add971d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b45f292e17d6f8b60e063d8a871a0f34aa3cb32801f97d0701b42add971d7e", kill_on_drop: false }`
[INFO] [stdout] 19b45f292e17d6f8b60e063d8a871a0f34aa3cb32801f97d0701b42add971d7e