[INFO] fetching crate wxf-converter 0.3.0...
[INFO] checking wxf-converter-0.3.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate wxf-converter 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wxf-converter 0.3.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wxf-converter 0.3.0
[INFO] finished tweaking crates.io crate wxf-converter 0.3.0
[INFO] tweaked toml for crates.io crate wxf-converter 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate wxf-converter 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab8d23d7d28484b83355d9bfe16519e09ea49428b43f0e6325f4200a45534a37
[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" "ab8d23d7d28484b83355d9bfe16519e09ea49428b43f0e6325f4200a45534a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab8d23d7d28484b83355d9bfe16519e09ea49428b43f0e6325f4200a45534a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8d23d7d28484b83355d9bfe16519e09ea49428b43f0e6325f4200a45534a37", kill_on_drop: false }`
[INFO] [stdout] ab8d23d7d28484b83355d9bfe16519e09ea49428b43f0e6325f4200a45534a37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2860e76ad76f8df1b469e21dfc1b9e1117fb1138c33c5c32a6b46ebc067fd7c
[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" "c2860e76ad76f8df1b469e21dfc1b9e1117fb1138c33c5c32a6b46ebc067fd7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking iter-read v0.2.1
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking serde-pickle v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking wolfram_wxf v0.2.2
[INFO] [stderr]     Checking wxf-converter v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.12s
[INFO] running `Command { std: "docker" "inspect" "c2860e76ad76f8df1b469e21dfc1b9e1117fb1138c33c5c32a6b46ebc067fd7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2860e76ad76f8df1b469e21dfc1b9e1117fb1138c33c5c32a6b46ebc067fd7c", kill_on_drop: false }`
[INFO] [stdout] c2860e76ad76f8df1b469e21dfc1b9e1117fb1138c33c5c32a6b46ebc067fd7c