[INFO] updating cached repository https://github.com/rappet/welder
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/rappet/welder
[INFO] [stderr]    21271cb..c9765f8  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c9765f87ef2813d926d73c5a08fe72ac8bf16395
[INFO] checking rappet/welder against master#450abe80f193ccefbfcd48214d70520f2d507f0e for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frappet%2Fwelder" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rappet/welder on toolchain 450abe80f193ccefbfcd48214d70520f2d507f0e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rappet/welder
[INFO] finished tweaking git repo https://github.com/rappet/welder
[INFO] tweaked toml for git repo https://github.com/rappet/welder written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rappet/welder already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c3d7c3368ccf0f1f6e7c17282485ba7839dda564ad33ee84681a772b5169ddaf
[INFO] running `"docker" "start" "-a" "c3d7c3368ccf0f1f6e7c17282485ba7839dda564ad33ee84681a772b5169ddaf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.107
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.107
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking welder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::path::Display`
[INFO] [stderr]  --> src/types/task_identifier.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::conf::Task`
[INFO] [stderr]  --> src/types/task_identifier.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::conf::Task;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Display`
[INFO] [stderr]  --> src/types/task_identifier.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::conf::Task`
[INFO] [stderr]  --> src/types/task_identifier.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::conf::Task;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `scoped`
[INFO] [stderr]   --> src/types/task_identifier.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn scoped(self, role: &str) -> TaskIdentifier {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `kind`
[INFO] [stderr]   --> src/types/task_identifier.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn kind(&self) -> &TaskIdentifierErrorKind {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `scoped`
[INFO] [stderr]   --> src/types/task_identifier.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn scoped(self, role: &str) -> TaskIdentifier {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `kind`
[INFO] [stderr]   --> src/types/task_identifier.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn kind(&self) -> &TaskIdentifierErrorKind {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `"docker" "inspect" "c3d7c3368ccf0f1f6e7c17282485ba7839dda564ad33ee84681a772b5169ddaf"`
[INFO] running `"docker" "rm" "-f" "c3d7c3368ccf0f1f6e7c17282485ba7839dda564ad33ee84681a772b5169ddaf"`
[INFO] [stdout] c3d7c3368ccf0f1f6e7c17282485ba7839dda564ad33ee84681a772b5169ddaf