[INFO] cloning repository https://github.com/faxe1008/stain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/faxe1008/stain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaxe1008%2Fstain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaxe1008%2Fstain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b67d959278612a784fa5974fb41bbda6b65e67c8
[INFO] testing faxe1008/stain against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaxe1008%2Fstain" "/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/faxe1008/stain on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/faxe1008/stain
[INFO] finished tweaking git repo https://github.com/faxe1008/stain
[INFO] tweaked toml for git repo https://github.com/faxe1008/stain written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/faxe1008/stain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded configparser v2.0.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b9df20a79ba5213803cd1e1fbe7a40287c4d8ca295f7896de8111556eb2879a
[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" "6b9df20a79ba5213803cd1e1fbe7a40287c4d8ca295f7896de8111556eb2879a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b9df20a79ba5213803cd1e1fbe7a40287c4d8ca295f7896de8111556eb2879a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9df20a79ba5213803cd1e1fbe7a40287c4d8ca295f7896de8111556eb2879a", kill_on_drop: false }`
[INFO] [stdout] 6b9df20a79ba5213803cd1e1fbe7a40287c4d8ca295f7896de8111556eb2879a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0126c0a3b09f762f37f63571c142745a052eeffa4731432e9a4852ccb1b4b3f6
[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" "0126c0a3b09f762f37f63571c142745a052eeffa4731432e9a4852ccb1b4b3f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling configparser v2.0.1
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling stain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `tags`
[INFO] [stdout]   --> src/config/providers.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     tags: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cache_size`
[INFO] [stdout]   --> src/config/providers.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     cache_size: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "0126c0a3b09f762f37f63571c142745a052eeffa4731432e9a4852ccb1b4b3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0126c0a3b09f762f37f63571c142745a052eeffa4731432e9a4852ccb1b4b3f6", kill_on_drop: false }`
[INFO] [stdout] 0126c0a3b09f762f37f63571c142745a052eeffa4731432e9a4852ccb1b4b3f6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c46232e6170ac6c73f8b3ca0b331cd092e53b60572edf2008e5059f57f6cec1f
[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" "c46232e6170ac6c73f8b3ca0b331cd092e53b60572edf2008e5059f57f6cec1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling stain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `tags`
[INFO] [stdout]   --> src/config/providers.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     tags: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cache_size`
[INFO] [stdout]   --> src/config/providers.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     cache_size: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "c46232e6170ac6c73f8b3ca0b331cd092e53b60572edf2008e5059f57f6cec1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46232e6170ac6c73f8b3ca0b331cd092e53b60572edf2008e5059f57f6cec1f", kill_on_drop: false }`
[INFO] [stdout] c46232e6170ac6c73f8b3ca0b331cd092e53b60572edf2008e5059f57f6cec1f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b3a8d1955ff9f0b5b06514a80c8310bbf765482751dc472b734eb389338147d
[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" "2b3a8d1955ff9f0b5b06514a80c8310bbf765482751dc472b734eb389338147d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `tags`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/config/providers.rs:36:5
[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] 36 |     tags: Vec<String>,
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cache_size`
[INFO] [stderr]   --> src/config/providers.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     cache_size: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `stain` (bin "stain" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stain-3d44a6ae82613d98)
[INFO] running `Command { std: "docker" "inspect" "2b3a8d1955ff9f0b5b06514a80c8310bbf765482751dc472b734eb389338147d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3a8d1955ff9f0b5b06514a80c8310bbf765482751dc472b734eb389338147d", kill_on_drop: false }`
[INFO] [stdout] 2b3a8d1955ff9f0b5b06514a80c8310bbf765482751dc472b734eb389338147d