[INFO] cloning repository https://github.com/asmuth/fhistory
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asmuth/fhistory" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmuth%2Ffhistory"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmuth%2Ffhistory'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d8df6c774f27566c3488bc292f5b2baec19106e
[INFO] checking asmuth/fhistory against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmuth%2Ffhistory" "/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/asmuth/fhistory on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/asmuth/fhistory
[INFO] finished tweaking git repo https://github.com/asmuth/fhistory
[INFO] tweaked toml for git repo https://github.com/asmuth/fhistory written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/asmuth/fhistory already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 1b55a729d7faebc3acd8dd1eef4052affbdd2826df12ba108de1019c83e33305
[INFO] running `"docker" "start" "-a" "1b55a729d7faebc3acd8dd1eef4052affbdd2826df12ba108de1019c83e33305"`
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]     Checking inflate v0.4.0
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]     Checking integritycheck v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/op_index.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fs;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/op_index.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fs;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data_path_abs`
[INFO] [stderr]   --> src/op_acknowledge.rs:59:7
[INFO] [stderr]    |
[INFO] [stderr] 59 |   let data_path_abs = match fs::canonicalize(&data_path) {
[INFO] [stderr]    |       ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_data_path_abs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data_path_abs`
[INFO] [stderr]   --> src/op_acknowledge.rs:59:7
[INFO] [stderr]    |
[INFO] [stderr] 59 |   let data_path_abs = match fs::canonicalize(&data_path) {
[INFO] [stderr]    |       ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_data_path_abs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `list_files`
[INFO] [stderr]    --> src/index_diff.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub fn list_files(diffs: &IndexDiffList) -> Vec<PathBuf> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/op_index.rs:76:3
[INFO] [stderr]    |
[INFO] [stderr] 76 |   io::stdout().write(snapshot.unparse().as_bytes());
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/prompt.rs:93:3
[INFO] [stderr]    |
[INFO] [stderr] 93 | /   writeln!(
[INFO] [stderr] 94 | |       &mut std::io::stderr(),
[INFO] [stderr] 95 | |       "Total Size: {} ({} files)",
[INFO] [stderr] 96 | |       format_bytecount(snap.total_size_bytes()),
[INFO] [stderr] 97 | |       snap.total_file_count());
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `list_files`
[INFO] [stderr]    --> src/index_diff.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub fn list_files(diffs: &IndexDiffList) -> Vec<PathBuf> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/op_index.rs:76:3
[INFO] [stderr]    |
[INFO] [stderr] 76 |   io::stdout().write(snapshot.unparse().as_bytes());
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/prompt.rs:93:3
[INFO] [stderr]    |
[INFO] [stderr] 93 | /   writeln!(
[INFO] [stderr] 94 | |       &mut std::io::stderr(),
[INFO] [stderr] 95 | |       "Total Size: {} ({} files)",
[INFO] [stderr] 96 | |       format_bytecount(snap.total_size_bytes()),
[INFO] [stderr] 97 | |       snap.total_file_count());
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `"docker" "inspect" "1b55a729d7faebc3acd8dd1eef4052affbdd2826df12ba108de1019c83e33305"`
[INFO] running `"docker" "rm" "-f" "1b55a729d7faebc3acd8dd1eef4052affbdd2826df12ba108de1019c83e33305"`
[INFO] [stdout] 1b55a729d7faebc3acd8dd1eef4052affbdd2826df12ba108de1019c83e33305