[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 master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmudfasihulazam%2Fremote-shell" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mahmudfasihulazam/remote-shell on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] d33f5c595e4b11adc944184eb431cdb2ef31b01b72659d9a943e7ec4847601fc
[INFO] running `Command { std: "docker" "start" "-a" "d33f5c595e4b11adc944184eb431cdb2ef31b01b72659d9a943e7ec4847601fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d33f5c595e4b11adc944184eb431cdb2ef31b01b72659d9a943e7ec4847601fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33f5c595e4b11adc944184eb431cdb2ef31b01b72659d9a943e7ec4847601fc", kill_on_drop: false }`
[INFO] [stdout] d33f5c595e4b11adc944184eb431cdb2ef31b01b72659d9a943e7ec4847601fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88e21593dde9f430c91c046818d045e4e3abd695fc4fe644496d26d679879369
[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" "88e21593dde9f430c91c046818d045e4e3abd695fc4fe644496d26d679879369", 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]   |                               ^^^^^ 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "88e21593dde9f430c91c046818d045e4e3abd695fc4fe644496d26d679879369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e21593dde9f430c91c046818d045e4e3abd695fc4fe644496d26d679879369", kill_on_drop: false }`
[INFO] [stdout] 88e21593dde9f430c91c046818d045e4e3abd695fc4fe644496d26d679879369
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cc7a4b223004fc6e1b3f85878977beaab6705ec55cdb45d187d96869dd516f1
[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" "7cc7a4b223004fc6e1b3f85878977beaab6705ec55cdb45d187d96869dd516f1", 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]   |                               ^^^^^ 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "7cc7a4b223004fc6e1b3f85878977beaab6705ec55cdb45d187d96869dd516f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc7a4b223004fc6e1b3f85878977beaab6705ec55cdb45d187d96869dd516f1", kill_on_drop: false }`
[INFO] [stdout] 7cc7a4b223004fc6e1b3f85878977beaab6705ec55cdb45d187d96869dd516f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b94384461ec18765b2573ee09e3b543edb3e21abc7a2fb8d848a6b3a6dc29dc7
[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" "b94384461ec18765b2573ee09e3b543edb3e21abc7a2fb8d848a6b3a6dc29dc7", 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]   |                               ^^^^^ 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]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/remote_shell-c0b17c3c5a68d3db
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b94384461ec18765b2573ee09e3b543edb3e21abc7a2fb8d848a6b3a6dc29dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94384461ec18765b2573ee09e3b543edb3e21abc7a2fb8d848a6b3a6dc29dc7", kill_on_drop: false }`
[INFO] [stdout] b94384461ec18765b2573ee09e3b543edb3e21abc7a2fb8d848a6b3a6dc29dc7