[INFO] cloning repository https://github.com/mahmudfasihulazam/remote-shell
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmudfasihulazam%2Fremote-shell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 108e607d431c4b63080a12e5673fc38f36f83424
[INFO] checking mahmudfasihulazam/remote-shell against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmudfasihulazam%2Fremote-shell" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mahmudfasihulazam/remote-shell on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mahmudfasihulazam/remote-shell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dd9737df1dde74801427f0dd843cd7d7c974d63ab01cdd39121ee69c2e24f744
[INFO] running `Command { std: "docker" "start" "-a" "dd9737df1dde74801427f0dd843cd7d7c974d63ab01cdd39121ee69c2e24f744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd9737df1dde74801427f0dd843cd7d7c974d63ab01cdd39121ee69c2e24f744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9737df1dde74801427f0dd843cd7d7c974d63ab01cdd39121ee69c2e24f744", kill_on_drop: false }`
[INFO] [stdout] dd9737df1dde74801427f0dd843cd7d7c974d63ab01cdd39121ee69c2e24f744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 147d86275a54aa3eb5c1c11ba70d105cbca51265002013237d578b45e66c1e20
[INFO] running `Command { std: "docker" "start" "-a" "147d86275a54aa3eb5c1c11ba70d105cbca51265002013237d578b45e66c1e20", kill_on_drop: false }`
[INFO] [stderr]     Checking remote-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/built_ins/mod.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 |         buf : &mut String) -> (i32) {
[INFO] [stdout]   |                               ^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/exec/mod.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     ; // continue
[INFO] [stdout]    |                     ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/exec/mod.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 ; // continue
[INFO] [stdout]    |                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/built_ins/mod.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 |         buf : &mut String) -> (i32) {
[INFO] [stdout]   |                               ^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/exec/mod.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     ; // continue
[INFO] [stdout]    |                     ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/exec/mod.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 ; // continue
[INFO] [stdout]    |                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "147d86275a54aa3eb5c1c11ba70d105cbca51265002013237d578b45e66c1e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147d86275a54aa3eb5c1c11ba70d105cbca51265002013237d578b45e66c1e20", kill_on_drop: false }`
[INFO] [stdout] 147d86275a54aa3eb5c1c11ba70d105cbca51265002013237d578b45e66c1e20