[INFO] crate rmf 0.2.5 is already in cache
[INFO] checking rmf-0.2.5 against master#7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3 for pr-71873
[INFO] extracting crate rmf 0.2.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rmf 0.2.5 on toolchain 7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rmf 0.2.5
[INFO] finished tweaking crates.io crate rmf 0.2.5
[INFO] tweaked toml for crates.io crate rmf 0.2.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "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] 60f2592f3eb54dac04eaa5794214cf2d68c7ef5e8d4d583e9817e363504e0f8d
[INFO] running `"docker" "start" "-a" "60f2592f3eb54dac04eaa5794214cf2d68c7ef5e8d4d583e9817e363504e0f8d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking rmf v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ansi_term::Style`
[INFO] [stderr]  --> src/prelude.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ansi_term::Style;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/prelude.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `create_dir_all`, `create_dir`, `remove_dir`, `write`
[INFO] [stderr]  --> src/prelude.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     create_dir, create_dir_all, metadata, read_link, remove_dir, remove_dir_all, remove_file,
[INFO] [stderr]   |     ^^^^^^^^^^  ^^^^^^^^^^^^^^                       ^^^^^^^^^^
[INFO] [stderr] 8 |     symlink_metadata, write, Metadata,
[INFO] [stderr]   |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::fs::symlink`
[INFO] [stderr]   --> src/prelude.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::os::unix::fs::symlink;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ansi_term::Style`
[INFO] [stderr]  --> src/prelude.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ansi_term::Style;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prelude.rs:329:54
[INFO] [stderr]     |
[INFO] [stderr] 329 |         fn check_file_size(path: &PathBuf, checker: &Fn(u64) -> bool) -> Result<(), String> {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64) -> bool`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.90s
[INFO] running `"docker" "inspect" "60f2592f3eb54dac04eaa5794214cf2d68c7ef5e8d4d583e9817e363504e0f8d"`
[INFO] running `"docker" "rm" "-f" "60f2592f3eb54dac04eaa5794214cf2d68c7ef5e8d4d583e9817e363504e0f8d"`
[INFO] [stdout] 60f2592f3eb54dac04eaa5794214cf2d68c7ef5e8d4d583e9817e363504e0f8d