[INFO] fetching crate difftastic 0.47.0...
[INFO] checking difftastic-0.47.0 against try#d48499c087dc9ccf49e58dd584b2df4a2c08657c for pr-113312
[INFO] extracting crate difftastic 0.47.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate difftastic 0.47.0 on toolchain d48499c087dc9ccf49e58dd584b2df4a2c08657c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d48499c087dc9ccf49e58dd584b2df4a2c08657c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate difftastic 0.47.0
[INFO] finished tweaking crates.io crate difftastic 0.47.0
[INFO] tweaked toml for crates.io crate difftastic 0.47.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate difftastic 0.47.0 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" "+d48499c087dc9ccf49e58dd584b2df4a2c08657c" "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-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+d48499c087dc9ccf49e58dd584b2df4a2c08657c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0218eda76c62cbe32e24c1487cdfd6deda6e26f304cb5baff246d753a8082d11
[INFO] running `Command { std: "docker" "start" "-a" "0218eda76c62cbe32e24c1487cdfd6deda6e26f304cb5baff246d753a8082d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0218eda76c62cbe32e24c1487cdfd6deda6e26f304cb5baff246d753a8082d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0218eda76c62cbe32e24c1487cdfd6deda6e26f304cb5baff246d753a8082d11", kill_on_drop: false }`
[INFO] [stdout] 0218eda76c62cbe32e24c1487cdfd6deda6e26f304cb5baff246d753a8082d11
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+d48499c087dc9ccf49e58dd584b2df4a2c08657c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38b7995f310363617aaafba829c2023dd80f633c25e571f31deafb15fad8bbdf
[INFO] running `Command { std: "docker" "start" "-a" "38b7995f310363617aaafba829c2023dd80f633c25e571f31deafb15fad8bbdf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking os_str_bytes v6.0.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bumpalo v3.11.1
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking wu-diff v0.1.2
[INFO] [stderr]     Checking radix-heap v0.4.2
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking petgraph v0.6.1
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking assert_cmd v2.0.5
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.24
[INFO] [stderr]    Compiling tree-sitter v0.20.9
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.22
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking const_format v0.2.23
[INFO] [stderr]     Checking mimalloc v0.1.28
[INFO] [stderr]     Checking tree_magic_mini v3.0.3
[INFO] [stderr]    Compiling difftastic v0.47.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.03s
[INFO] running `Command { std: "docker" "inspect" "38b7995f310363617aaafba829c2023dd80f633c25e571f31deafb15fad8bbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b7995f310363617aaafba829c2023dd80f633c25e571f31deafb15fad8bbdf", kill_on_drop: false }`
[INFO] [stdout] 38b7995f310363617aaafba829c2023dd80f633c25e571f31deafb15fad8bbdf