[INFO] cloning repository https://github.com/Nicoretti/pareidolia
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nicoretti/pareidolia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicoretti%2Fpareidolia", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicoretti%2Fpareidolia'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b376621a5c076027946062b62343d626bb7b0028
[INFO] checking Nicoretti/pareidolia against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicoretti%2Fpareidolia" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nicoretti/pareidolia on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nicoretti/pareidolia
[INFO] finished tweaking git repo https://github.com/Nicoretti/pareidolia
[INFO] tweaked toml for git repo https://github.com/Nicoretti/pareidolia written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Nicoretti/pareidolia already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38cd8634e5e7d189f9568f16df4b318f1147da741a16c4b637d4ecb9652fca02
[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" "38cd8634e5e7d189f9568f16df4b318f1147da741a16c4b637d4ecb9652fca02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38cd8634e5e7d189f9568f16df4b318f1147da741a16c4b637d4ecb9652fca02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38cd8634e5e7d189f9568f16df4b318f1147da741a16c4b637d4ecb9652fca02", kill_on_drop: false }`
[INFO] [stdout] 38cd8634e5e7d189f9568f16df4b318f1147da741a16c4b637d4ecb9652fca02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ff067f47e6348ce23b43f2e83729aa8f18e669e118e7cccd7ae5d8ccb6473a0
[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" "3ff067f47e6348ce23b43f2e83729aa8f18e669e118e7cccd7ae5d8ccb6473a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]     Checking pareidolia v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parsers.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut cursor = std::io::Cursor::new(input);
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parsers.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let mut parser: Parser<u32> = Parser::new(&parse_u32);
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parsers.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn new(parser: &'a dyn Fn(&[u8]) -> nom::IResult<&[u8], O>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parsers.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn new(parser: Parser<'a, O>, input: R) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "3ff067f47e6348ce23b43f2e83729aa8f18e669e118e7cccd7ae5d8ccb6473a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff067f47e6348ce23b43f2e83729aa8f18e669e118e7cccd7ae5d8ccb6473a0", kill_on_drop: false }`
[INFO] [stdout] 3ff067f47e6348ce23b43f2e83729aa8f18e669e118e7cccd7ae5d8ccb6473a0