[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] checking stygian-coffee/rfidx against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstygian-coffee%2Frfidx" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stygian-coffee/rfidx on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-7/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-util v0.6.5
[INFO] [stderr]   Downloaded headers v0.3.4
[INFO] [stderr]   Downloaded h2 v0.3.2
[INFO] [stderr]   Downloaded multipart v0.17.1
[INFO] [stderr]   Downloaded path-absolutize v3.0.7
[INFO] [stderr]   Downloaded tungstenite v0.12.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.13.0
[INFO] [stderr]   Downloaded path-dedot v3.0.8
[INFO] [stderr]   Downloaded memoffset v0.6.2
[INFO] [stderr]   Downloaded input_buffer v0.4.0
[INFO] [stderr]   Downloaded http-body v0.4.1
[INFO] [stderr]   Downloaded tokio v1.4.0
[INFO] [stderr]   Downloaded warp v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 775683b7e7ee0245e7f20001773e5d413098218fc20cfa4524bfda26b5c4d9ff
[INFO] running `Command { std: "docker" "start" "-a" "775683b7e7ee0245e7f20001773e5d413098218fc20cfa4524bfda26b5c4d9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "775683b7e7ee0245e7f20001773e5d413098218fc20cfa4524bfda26b5c4d9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775683b7e7ee0245e7f20001773e5d413098218fc20cfa4524bfda26b5c4d9ff", kill_on_drop: false }`
[INFO] [stdout] 775683b7e7ee0245e7f20001773e5d413098218fc20cfa4524bfda26b5c4d9ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25a024d1d80c6c83fce6ca3db8e565ac01197bf6a53014905be2554523d163a3
[INFO] running `Command { std: "docker" "start" "-a" "25a024d1d80c6c83fce6ca3db8e565ac01197bf6a53014905be2554523d163a3", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking path-dedot v3.0.8
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking path-absolutize v3.0.7
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]     Checking tokio-stream v0.1.5
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.14.5
[INFO] [stderr]     Checking warp v0.3.1
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.03s
[INFO] running `Command { std: "docker" "inspect" "25a024d1d80c6c83fce6ca3db8e565ac01197bf6a53014905be2554523d163a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a024d1d80c6c83fce6ca3db8e565ac01197bf6a53014905be2554523d163a3", kill_on_drop: false }`
[INFO] [stdout] 25a024d1d80c6c83fce6ca3db8e565ac01197bf6a53014905be2554523d163a3