[INFO] cloning repository https://github.com/whitf/cavegen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whitf/cavegen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhitf%2Fcavegen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhitf%2Fcavegen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13e4fc6cd6fffd90b1fe428ba85cb91ff68cd8c7
[INFO] checking whitf/cavegen against master#9a42c6509d399fd205917ebce474b31315c5d3e9 for pr-97427
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhitf%2Fcavegen" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whitf/cavegen on toolchain 9a42c6509d399fd205917ebce474b31315c5d3e9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whitf/cavegen
[INFO] finished tweaking git repo https://github.com/whitf/cavegen
[INFO] tweaked toml for git repo https://github.com/whitf/cavegen written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/whitf/cavegen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.5.6
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded hermit-abi v0.1.13
[INFO] [stderr]   Downloaded rusqlite v0.23.1
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded smallvec v1.4.0
[INFO] [stderr]   Downloaded sdl2-sys v0.34.0
[INFO] [stderr]   Downloaded serde_derive v1.0.111
[INFO] [stderr]   Downloaded sdl2 v0.34.1
[INFO] [stderr]   Downloaded serde v1.0.111
[INFO] [stderr]   Downloaded libsqlite3-sys v0.18.0
[INFO] [stderr]   Downloaded rand_derive v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d19ad2e7c05d3c6a4d0ef0d706cbd4f5a60fa11af12b81af7888bd1ce3b1375e
[INFO] running `Command { std: "docker" "start" "-a" "d19ad2e7c05d3c6a4d0ef0d706cbd4f5a60fa11af12b81af7888bd1ce3b1375e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d19ad2e7c05d3c6a4d0ef0d706cbd4f5a60fa11af12b81af7888bd1ce3b1375e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19ad2e7c05d3c6a4d0ef0d706cbd4f5a60fa11af12b81af7888bd1ce3b1375e", kill_on_drop: false }`
[INFO] [stdout] d19ad2e7c05d3c6a4d0ef0d706cbd4f5a60fa11af12b81af7888bd1ce3b1375e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a524a24694716f6d6e04a5801beda51d1c7ac1db0b503a5345345e944a244e1d
[INFO] running `Command { std: "docker" "start" "-a" "a524a24694716f6d6e04a5801beda51d1c7ac1db0b503a5345345e944a244e1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling sdl2 v0.34.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking c_vec v1.3.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling sdl2-sys v0.34.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling rand_derive v0.5.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rusqlite v0.23.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking table v0.4.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking cavegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/cave/event.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/cave/event.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `raw_type`
[INFO] [stdout]   --> src/cave/tile.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     raw_type:                u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Tile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/cave/tile.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tile_type`
[INFO] [stdout]   --> src/cave/tile.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     tile_type:                TileType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Tile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/cave/tile.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `raw_type`
[INFO] [stdout]   --> src/cave/tile.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     raw_type:                u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Tile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/cave/tile.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tile_type`
[INFO] [stdout]   --> src/cave/tile.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     tile_type:                TileType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Tile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/cave/tile.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.88s
[INFO] running `Command { std: "docker" "inspect" "a524a24694716f6d6e04a5801beda51d1c7ac1db0b503a5345345e944a244e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a524a24694716f6d6e04a5801beda51d1c7ac1db0b503a5345345e944a244e1d", kill_on_drop: false }`
[INFO] [stdout] a524a24694716f6d6e04a5801beda51d1c7ac1db0b503a5345345e944a244e1d