[INFO] updating cached repository https://github.com/Aiden01/bf.rs
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f008571b392f4d0f650f6c311497f6ab2867f9c2
[INFO] checking Aiden01/bf.rs against try#3e1efa2be2e75b3c7daf2566f8758da91312f7e8 for pr-66037-3
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAiden01%2Fbf.rs" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aiden01/bf.rs on toolchain 3e1efa2be2e75b3c7daf2566f8758da91312f7e8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3e1efa2be2e75b3c7daf2566f8758da91312f7e8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Aiden01/bf.rs
[INFO] finished tweaking git repo https://github.com/Aiden01/bf.rs
[INFO] tweaked toml for git repo https://github.com/Aiden01/bf.rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Aiden01/bf.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3e1efa2be2e75b3c7daf2566f8758da91312f7e8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3e1efa2be2e75b3c7daf2566f8758da91312f7e8" "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] b5107e78226f783a3a0885a179e9a4309b285c7349ec897b3383fc8206cbdd08
[INFO] running `"docker" "start" "-a" "b5107e78226f783a3a0885a179e9a4309b285c7349ec897b3383fc8206cbdd08"`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking ascii v0.9.2
[INFO] [stderr]     Checking cmdparser v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking bfrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `line` is never read
[INFO] [stderr]   --> src/vm.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let mut line = String::new();
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Success`
[INFO] [stderr]  --> src/logger.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Success,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `success`
[INFO] [stderr]   --> src/logger.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn success<T: AsRef<str>>(msg: T) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `info`
[INFO] [stderr]   --> src/logger.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn info<T: AsRef<str>>(msg: T) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/logger.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     io::stdout().flush();
[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: value assigned to `line` is never read
[INFO] [stderr]   --> src/vm.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let mut line = String::new();
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Success`
[INFO] [stderr]  --> src/logger.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Success,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `success`
[INFO] [stderr]   --> src/logger.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn success<T: AsRef<str>>(msg: T) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `info`
[INFO] [stderr]   --> src/logger.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn info<T: AsRef<str>>(msg: T) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/logger.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     io::stdout().flush();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 26.24s
[INFO] running `"docker" "inspect" "b5107e78226f783a3a0885a179e9a4309b285c7349ec897b3383fc8206cbdd08"`
[INFO] running `"docker" "rm" "-f" "b5107e78226f783a3a0885a179e9a4309b285c7349ec897b3383fc8206cbdd08"`
[INFO] [stdout] b5107e78226f783a3a0885a179e9a4309b285c7349ec897b3383fc8206cbdd08