[INFO] fetching crate rmf 0.2.5...
[INFO] checking rmf-0.2.5 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[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 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f31405d3596745ca86a2926a8c07afcd5e4d1bec336240fb846bf96c4ed9f8e5
[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" "f31405d3596745ca86a2926a8c07afcd5e4d1bec336240fb846bf96c4ed9f8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f31405d3596745ca86a2926a8c07afcd5e4d1bec336240fb846bf96c4ed9f8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31405d3596745ca86a2926a8c07afcd5e4d1bec336240fb846bf96c4ed9f8e5", kill_on_drop: false }`
[INFO] [stdout] f31405d3596745ca86a2926a8c07afcd5e4d1bec336240fb846bf96c4ed9f8e5
[INFO] running `Command { std: "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15abc7e6d01c480c65ea803650fd583e64a2de724cbea4fc7460e7e06dbbfb6d
[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" "15abc7e6d01c480c65ea803650fd583e64a2de724cbea4fc7460e7e06dbbfb6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[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] [stdout] warning: unused import: `ansi_term::Style`
[INFO] [stdout]  --> src/prelude.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ansi_term::Style;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/prelude.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `create_dir_all`, `create_dir`, `remove_dir`, `write`
[INFO] [stdout]  --> src/prelude.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     create_dir, create_dir_all, metadata, read_link, remove_dir, remove_dir_all, remove_file,
[INFO] [stdout]   |     ^^^^^^^^^^  ^^^^^^^^^^^^^^                       ^^^^^^^^^^
[INFO] [stdout] 8 |     symlink_metadata, write, Metadata,
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::fs::symlink`
[INFO] [stdout]   --> src/prelude.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::os::unix::fs::symlink;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ansi_term::Style`
[INFO] [stdout]  --> src/prelude.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ansi_term::Style;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/prelude.rs:329:54
[INFO] [stdout]     |
[INFO] [stdout] 329 |         fn check_file_size(path: &PathBuf, checker: &Fn(u64) -> bool) -> Result<(), String> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64) -> bool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.11s
[INFO] running `Command { std: "docker" "inspect" "15abc7e6d01c480c65ea803650fd583e64a2de724cbea4fc7460e7e06dbbfb6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15abc7e6d01c480c65ea803650fd583e64a2de724cbea4fc7460e7e06dbbfb6d", kill_on_drop: false }`
[INFO] [stdout] 15abc7e6d01c480c65ea803650fd583e64a2de724cbea4fc7460e7e06dbbfb6d