[INFO] cloning repository https://github.com/mahmudfasihulazam/remote-shell
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mahmudfasihulazam/remote-shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmudfasihulazam%2Fremote-shell"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmudfasihulazam%2Fremote-shell'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 108e607d431c4b63080a12e5673fc38f36f83424
[INFO] checking mahmudfasihulazam/remote-shell against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmudfasihulazam%2Fremote-shell" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mahmudfasihulazam/remote-shell on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mahmudfasihulazam/remote-shell
[INFO] finished tweaking git repo https://github.com/mahmudfasihulazam/remote-shell
[INFO] tweaked toml for git repo https://github.com/mahmudfasihulazam/remote-shell written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mahmudfasihulazam/remote-shell already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 981b213a38ee3593e3a181b6ce12c4411fc555cda6dfdcd1fc3a761a4773add6
[INFO] running `"docker" "start" "-a" "981b213a38ee3593e3a181b6ce12c4411fc555cda6dfdcd1fc3a761a4773add6"`
[INFO] [stderr]     Checking remote-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/built_ins/mod.rs:6:31
[INFO] [stderr]   |
[INFO] [stderr] 6 |         buf : &mut String) -> (i32) {
[INFO] [stderr]   |                               ^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/exec/mod.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     ; // continue
[INFO] [stderr]    |                     ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/exec/mod.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 ; // continue
[INFO] [stderr]    |                 ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/built_ins/mod.rs:6:31
[INFO] [stderr]   |
[INFO] [stderr] 6 |         buf : &mut String) -> (i32) {
[INFO] [stderr]   |                               ^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/exec/mod.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     ; // continue
[INFO] [stderr]    |                     ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/exec/mod.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 ; // continue
[INFO] [stderr]    |                 ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "981b213a38ee3593e3a181b6ce12c4411fc555cda6dfdcd1fc3a761a4773add6"`
[INFO] running `"docker" "rm" "-f" "981b213a38ee3593e3a181b6ce12c4411fc555cda6dfdcd1fc3a761a4773add6"`
[INFO] [stdout] 981b213a38ee3593e3a181b6ce12c4411fc555cda6dfdcd1fc3a761a4773add6