[INFO] fetching crate licensesnip 1.6.0...
[INFO] checking licensesnip-1.6.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate licensesnip 1.6.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate licensesnip 1.6.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate licensesnip 1.6.0
[INFO] finished tweaking crates.io crate licensesnip 1.6.0
[INFO] tweaked toml for crates.io crate licensesnip 1.6.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate licensesnip 1.6.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_users v0.4.2
[INFO] [stderr]   Downloaded mktemp v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7ec4ffdfeabb6b9b5e2feaf12e7de4f2d3a0b887c74cf09524ac2dd821ed09d
[INFO] running `Command { std: "docker" "start" "-a" "b7ec4ffdfeabb6b9b5e2feaf12e7de4f2d3a0b887c74cf09524ac2dd821ed09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7ec4ffdfeabb6b9b5e2feaf12e7de4f2d3a0b887c74cf09524ac2dd821ed09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7ec4ffdfeabb6b9b5e2feaf12e7de4f2d3a0b887c74cf09524ac2dd821ed09d", kill_on_drop: false }`
[INFO] [stdout] b7ec4ffdfeabb6b9b5e2feaf12e7de4f2d3a0b887c74cf09524ac2dd821ed09d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eabd1baedffd3faf7d35c85a4e3f98484fbc81e1227f16c108cd4590434d91d7
[INFO] running `Command { std: "docker" "start" "-a" "eabd1baedffd3faf7d35c85a4e3f98484fbc81e1227f16c108cd4590434d91d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking mktemp v0.4.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking licensesnip v1.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/config.rs:205:11
[INFO] [stdout]     |
[INFO] [stdout] 205 |     IoErr(std::io::Error),
[INFO] [stdout]     |     ----- ^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CreateDefaultConfigErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 205 |     IoErr(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/config.rs:205:11
[INFO] [stdout]     |
[INFO] [stdout] 205 |     IoErr(std::io::Error),
[INFO] [stdout]     |     ----- ^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CreateDefaultConfigErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 205 |     IoErr(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.39s
[INFO] running `Command { std: "docker" "inspect" "eabd1baedffd3faf7d35c85a4e3f98484fbc81e1227f16c108cd4590434d91d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabd1baedffd3faf7d35c85a4e3f98484fbc81e1227f16c108cd4590434d91d7", kill_on_drop: false }`
[INFO] [stdout] eabd1baedffd3faf7d35c85a4e3f98484fbc81e1227f16c108cd4590434d91d7