[INFO] cloning repository https://github.com/atahabaki/ash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/atahabaki/ash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatahabaki%2Fash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatahabaki%2Fash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fb8e671fb2ad6f03f9daa614cbb17eb088dba9c
[INFO] testing atahabaki/ash against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatahabaki%2Fash" "/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/atahabaki/ash 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/atahabaki/ash
[INFO] finished tweaking git repo https://github.com/atahabaki/ash
[INFO] tweaked toml for git repo https://github.com/atahabaki/ash written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/atahabaki/ash 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-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" "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] cbc7450995da0e950700cd14cb49bfb6e82b7bc03bcb9f885586acf951365db7
[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" "cbc7450995da0e950700cd14cb49bfb6e82b7bc03bcb9f885586acf951365db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc7450995da0e950700cd14cb49bfb6e82b7bc03bcb9f885586acf951365db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc7450995da0e950700cd14cb49bfb6e82b7bc03bcb9f885586acf951365db7", kill_on_drop: false }`
[INFO] [stdout] cbc7450995da0e950700cd14cb49bfb6e82b7bc03bcb9f885586acf951365db7
[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" "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] 3370efe4a2c1c775a6f219bac2d4afda67cdf28fc41c3c1291a4f9ac0a83fbf1
[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" "3370efe4a2c1c775a6f219bac2d4afda67cdf28fc41c3c1291a4f9ac0a83fbf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ash v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]  --> src/main.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |         if let Ok(size) = std::io::stdin().read_line(&mut cmd) {
[INFO] [stdout]   |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "3370efe4a2c1c775a6f219bac2d4afda67cdf28fc41c3c1291a4f9ac0a83fbf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3370efe4a2c1c775a6f219bac2d4afda67cdf28fc41c3c1291a4f9ac0a83fbf1", kill_on_drop: false }`
[INFO] [stdout] 3370efe4a2c1c775a6f219bac2d4afda67cdf28fc41c3c1291a4f9ac0a83fbf1
[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" "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] fe29c2d13e9d283e3e4a644931500a668a9b5109cd60a2450b9c7dd161fed266
[INFO] running `Command { std: "docker" "start" "-a" "fe29c2d13e9d283e3e4a644931500a668a9b5109cd60a2450b9c7dd161fed266", kill_on_drop: false }`
[INFO] [stderr]    Compiling ash v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]  --> src/main.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |         if let Ok(size) = std::io::stdin().read_line(&mut cmd) {
[INFO] [stdout]   |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "fe29c2d13e9d283e3e4a644931500a668a9b5109cd60a2450b9c7dd161fed266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe29c2d13e9d283e3e4a644931500a668a9b5109cd60a2450b9c7dd161fed266", kill_on_drop: false }`
[INFO] [stdout] fe29c2d13e9d283e3e4a644931500a668a9b5109cd60a2450b9c7dd161fed266
[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" "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] e4f49cfcb0a72ffce389f254c7f2e3dfbaf99c6ca22e5433828e1d9badd0580f
[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" "e4f49cfcb0a72ffce389f254c7f2e3dfbaf99c6ca22e5433828e1d9badd0580f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:7:19
[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] 7 |         if let Ok(size) = std::io::stdin().read_line(&mut cmd) {
[INFO] [stdout] 
[INFO] [stderr]   |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ash` (bin "ash" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ash-0d176e86fe38784a)
[INFO] running `Command { std: "docker" "inspect" "e4f49cfcb0a72ffce389f254c7f2e3dfbaf99c6ca22e5433828e1d9badd0580f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f49cfcb0a72ffce389f254c7f2e3dfbaf99c6ca22e5433828e1d9badd0580f", kill_on_drop: false }`
[INFO] [stdout] e4f49cfcb0a72ffce389f254c7f2e3dfbaf99c6ca22e5433828e1d9badd0580f