[INFO] cloning repository https://github.com/stygian-coffee/rfidx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stygian-coffee/rfidx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstygian-coffee%2Frfidx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstygian-coffee%2Frfidx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7f29d8d36a31060a1dec7f3f3ae2dd42c2f5f54
[INFO] testing stygian-coffee/rfidx against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstygian-coffee%2Frfidx" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stygian-coffee/rfidx on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stygian-coffee/rfidx
[INFO] finished tweaking git repo https://github.com/stygian-coffee/rfidx
[INFO] tweaked toml for git repo https://github.com/stygian-coffee/rfidx written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/stygian-coffee/rfidx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22f81d37917bd015ce143cea9f7b38db2853e5fa610b3d9b16f2392533acb728
[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" "22f81d37917bd015ce143cea9f7b38db2853e5fa610b3d9b16f2392533acb728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22f81d37917bd015ce143cea9f7b38db2853e5fa610b3d9b16f2392533acb728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f81d37917bd015ce143cea9f7b38db2853e5fa610b3d9b16f2392533acb728", kill_on_drop: false }`
[INFO] [stdout] 22f81d37917bd015ce143cea9f7b38db2853e5fa610b3d9b16f2392533acb728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b24df8902574f7767d7f56a376fb1a6aae5dfd87abcffa2b11c0a30ff75f5a3
[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" "0b24df8902574f7767d7f56a376fb1a6aae5dfd87abcffa2b11c0a30ff75f5a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling memoffset v0.6.2
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling path-dedot v3.0.8
[INFO] [stderr]    Compiling http-body v0.4.1
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling path-absolutize v3.0.7
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling tungstenite v0.12.0
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling multipart v0.17.1
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling pin-project v1.0.6
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling tokio-util v0.6.5
[INFO] [stderr]    Compiling tokio-tungstenite v0.13.0
[INFO] [stderr]    Compiling tokio-stream v0.1.5
[INFO] [stderr]    Compiling h2 v0.3.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling hyper v0.14.5
[INFO] [stderr]    Compiling warp v0.3.1
[INFO] [stderr]    Compiling rfidx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `root`
[INFO] [stdout]   --> src/file_index.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn root(&self) -> &PathBuf {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 2m 00s
[INFO] running `Command { std: "docker" "inspect" "0b24df8902574f7767d7f56a376fb1a6aae5dfd87abcffa2b11c0a30ff75f5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b24df8902574f7767d7f56a376fb1a6aae5dfd87abcffa2b11c0a30ff75f5a3", kill_on_drop: false }`
[INFO] [stdout] 0b24df8902574f7767d7f56a376fb1a6aae5dfd87abcffa2b11c0a30ff75f5a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff1345fe8a8d959977ba908426d56cd826161943d6189cf30670db31e9afc528
[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" "ff1345fe8a8d959977ba908426d56cd826161943d6189cf30670db31e9afc528", kill_on_drop: false }`
[INFO] [stderr]    Compiling rfidx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `root`
[INFO] [stdout]   --> src/file_index.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn root(&self) -> &PathBuf {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 2.37s
[INFO] running `Command { std: "docker" "inspect" "ff1345fe8a8d959977ba908426d56cd826161943d6189cf30670db31e9afc528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1345fe8a8d959977ba908426d56cd826161943d6189cf30670db31e9afc528", kill_on_drop: false }`
[INFO] [stdout] ff1345fe8a8d959977ba908426d56cd826161943d6189cf30670db31e9afc528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] cbc33987f552bed7e4137f88ccaa6e90e9ff1ed906aa38b9f8082d098c57bb5e
[INFO] running `Command { std: "docker" "start" "-a" "cbc33987f552bed7e4137f88ccaa6e90e9ff1ed906aa38b9f8082d098c57bb5e", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `root`
[INFO] [stderr]   --> src/file_index.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn root(&self) -> &PathBuf {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rfidx` (bin "rfidx" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rfidx-d517ca4b498a0907)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cbc33987f552bed7e4137f88ccaa6e90e9ff1ed906aa38b9f8082d098c57bb5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc33987f552bed7e4137f88ccaa6e90e9ff1ed906aa38b9f8082d098c57bb5e", kill_on_drop: false }`
[INFO] [stdout] cbc33987f552bed7e4137f88ccaa6e90e9ff1ed906aa38b9f8082d098c57bb5e