[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 beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmudfasihulazam%2Fremote-shell" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mahmudfasihulazam/remote-shell on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-0/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8aefbcf6193d3cf358458f249ec2b7216a05aee5ba0eb9448733e9702d0e4e2
[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" "c8aefbcf6193d3cf358458f249ec2b7216a05aee5ba0eb9448733e9702d0e4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8aefbcf6193d3cf358458f249ec2b7216a05aee5ba0eb9448733e9702d0e4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8aefbcf6193d3cf358458f249ec2b7216a05aee5ba0eb9448733e9702d0e4e2", kill_on_drop: false }`
[INFO] [stdout] c8aefbcf6193d3cf358458f249ec2b7216a05aee5ba0eb9448733e9702d0e4e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3df2731a3de61aa04cdc591b90fad9e12f0eebc437d5ab818c66ec4667a7489d
[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" "3df2731a3de61aa04cdc591b90fad9e12f0eebc437d5ab818c66ec4667a7489d", 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 1.97s
[INFO] running `Command { std: "docker" "inspect" "3df2731a3de61aa04cdc591b90fad9e12f0eebc437d5ab818c66ec4667a7489d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df2731a3de61aa04cdc591b90fad9e12f0eebc437d5ab818c66ec4667a7489d", kill_on_drop: false }`
[INFO] [stdout] 3df2731a3de61aa04cdc591b90fad9e12f0eebc437d5ab818c66ec4667a7489d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d268347ffe7cba36e43f6c4dd0ae5482fff05486fc43a25e5f3efa460f62bd4
[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" "4d268347ffe7cba36e43f6c4dd0ae5482fff05486fc43a25e5f3efa460f62bd4", 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 0.99s
[INFO] running `Command { std: "docker" "inspect" "4d268347ffe7cba36e43f6c4dd0ae5482fff05486fc43a25e5f3efa460f62bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d268347ffe7cba36e43f6c4dd0ae5482fff05486fc43a25e5f3efa460f62bd4", kill_on_drop: false }`
[INFO] [stdout] 4d268347ffe7cba36e43f6c4dd0ae5482fff05486fc43a25e5f3efa460f62bd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b195f2de2e1099c8b3c3887ee58a4fbfb8bf675f1491304e12dae6a6504a7e0
[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" "4b195f2de2e1099c8b3c3887ee58a4fbfb8bf675f1491304e12dae6a6504a7e0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/built_ins/mod.rs:6:31
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 6 |         buf : &mut String) -> (i32) {
[INFO] [stdout] 
[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 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/remote_shell-0abebf5dfc249f8e
[INFO] running `Command { std: "docker" "inspect" "4b195f2de2e1099c8b3c3887ee58a4fbfb8bf675f1491304e12dae6a6504a7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b195f2de2e1099c8b3c3887ee58a4fbfb8bf675f1491304e12dae6a6504a7e0", kill_on_drop: false }`
[INFO] [stdout] 4b195f2de2e1099c8b3c3887ee58a4fbfb8bf675f1491304e12dae6a6504a7e0