[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] testing mahmudfasihulazam/remote-shell against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmudfasihulazam%2Fremote-shell" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mahmudfasihulazam/remote-shell on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-14/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e1158192ddf0e0e7ec35319cc8c9937919979f5c14a548fc6d683fa634defc4
[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" "6e1158192ddf0e0e7ec35319cc8c9937919979f5c14a548fc6d683fa634defc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e1158192ddf0e0e7ec35319cc8c9937919979f5c14a548fc6d683fa634defc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1158192ddf0e0e7ec35319cc8c9937919979f5c14a548fc6d683fa634defc4", kill_on_drop: false }`
[INFO] [stdout] 6e1158192ddf0e0e7ec35319cc8c9937919979f5c14a548fc6d683fa634defc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb1a57bf2ea2c112cf84309435ce63c9510e94034d05b573127ce90352c56753
[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" "fb1a57bf2ea2c112cf84309435ce63c9510e94034d05b573127ce90352c56753", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]   |                               ^   ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -         buf : &mut String) -> (i32) {
[INFO] [stdout] 6 +         buf : &mut String) -> i32 {
[INFO] [stdout]   | 
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "fb1a57bf2ea2c112cf84309435ce63c9510e94034d05b573127ce90352c56753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb1a57bf2ea2c112cf84309435ce63c9510e94034d05b573127ce90352c56753", kill_on_drop: false }`
[INFO] [stdout] fb1a57bf2ea2c112cf84309435ce63c9510e94034d05b573127ce90352c56753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--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] fc1de145f6c2d09725634022b295540d401bd6cfa6f73d4b875ae967d157d6cf
[INFO] running `Command { std: "docker" "start" "-a" "fc1de145f6c2d09725634022b295540d401bd6cfa6f73d4b875ae967d157d6cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]   |                               ^   ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -         buf : &mut String) -> (i32) {
[INFO] [stdout] 6 +         buf : &mut String) -> i32 {
[INFO] [stdout]   | 
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "fc1de145f6c2d09725634022b295540d401bd6cfa6f73d4b875ae967d157d6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1de145f6c2d09725634022b295540d401bd6cfa6f73d4b875ae967d157d6cf", kill_on_drop: false }`
[INFO] [stdout] fc1de145f6c2d09725634022b295540d401bd6cfa6f73d4b875ae967d157d6cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ae29a8cdf0817885be15979c29fb7ed6ac88582aca6127cd0ec7c1139e20b15
[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" "6ae29a8cdf0817885be15979c29fb7ed6ac88582aca6127cd0ec7c1139e20b15", kill_on_drop: false }`
[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]   |                               ^   ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 6 -         buf : &mut String) -> (i32) {
[INFO] [stderr] 6 +         buf : &mut String) -> i32 {
[INFO] [stderr]   | 
[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: `remote-shell` (bin "remote-shell" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/remote_shell-d27f5d8de4d4fb97)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6ae29a8cdf0817885be15979c29fb7ed6ac88582aca6127cd0ec7c1139e20b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae29a8cdf0817885be15979c29fb7ed6ac88582aca6127cd0ec7c1139e20b15", kill_on_drop: false }`
[INFO] [stdout] 6ae29a8cdf0817885be15979c29fb7ed6ac88582aca6127cd0ec7c1139e20b15