[INFO] cloning repository https://github.com/csherratt/rplace.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/csherratt/rplace.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsherratt%2Frplace.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsherratt%2Frplace.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aba62a04dd06ac149d6d565b0b9c4302d10d699a
[INFO] checking csherratt/rplace.rs against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsherratt%2Frplace.rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/csherratt/rplace.rs on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/csherratt/rplace.rs
[INFO] finished tweaking git repo https://github.com/csherratt/rplace.rs
[INFO] tweaked toml for git repo https://github.com/csherratt/rplace.rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/csherratt/rplace.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gfx_device_gl v0.13.0
[INFO] [stderr]   Downloaded android_glue v0.2.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.1.0
[INFO] [stderr]   Downloaded x11-dl v2.13.0
[INFO] [stderr]   Downloaded gfx_core v0.6.0
[INFO] [stderr]   Downloaded serde v0.9.14
[INFO] [stderr]   Downloaded gfx_window_glutin v0.14.0
[INFO] [stderr]   Downloaded target_build_utils v0.3.0
[INFO] [stderr]   Downloaded cgmath v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25103398b9996c37f5c0587720ca6faeaae1ffeaa9d375e68979e8cf4c862324
[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" "25103398b9996c37f5c0587720ca6faeaae1ffeaa9d375e68979e8cf4c862324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25103398b9996c37f5c0587720ca6faeaae1ffeaa9d375e68979e8cf4c862324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25103398b9996c37f5c0587720ca6faeaae1ffeaa9d375e68979e8cf4c862324", kill_on_drop: false }`
[INFO] [stdout] 25103398b9996c37f5c0587720ca6faeaae1ffeaa9d375e68979e8cf4c862324
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3335f371886449871798acb39ae1704ff8147ec053516e45e541e5e4a91932a
[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" "e3335f371886449871798acb39ae1704ff8147ec053516e45e541e5e4a91932a", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling serde v0.9.14
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]     Checking bitflags v0.6.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling x11-dl v2.13.0
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]     Checking draw_state v0.6.0
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]    Compiling tempfile v2.1.5
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking gfx_core v0.6.0
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]     Checking clap v2.23.3
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.0
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]     Checking cgmath v0.13.0
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking gfx v0.14.1
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking gfx_device_gl v0.13.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.8
[INFO] [stderr]     Checking wayland-kbd v0.6.3
[INFO] [stderr]     Checking wayland-window v0.4.4
[INFO] [stderr]     Checking winit v0.5.11
[INFO] [stderr]     Checking gfx_window_glutin v0.14.0
[INFO] [stderr]     Checking rplace-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |             let mut tile = latest.entry(tile_key)
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |             let mut tile = tiles.entry(tile_key).or_insert_with(Vec::new);
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let mut tile = tiles.entry(key).or_insert_with(Vec::new);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |             let mut tile = latest.entry(tile_key)
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |             let mut tile = tiles.entry(tile_key).or_insert_with(Vec::new);
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let mut tile = tiles.entry(key).or_insert_with(Vec::new);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.96s
[INFO] running `Command { std: "docker" "inspect" "e3335f371886449871798acb39ae1704ff8147ec053516e45e541e5e4a91932a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3335f371886449871798acb39ae1704ff8147ec053516e45e541e5e4a91932a", kill_on_drop: false }`
[INFO] [stdout] e3335f371886449871798acb39ae1704ff8147ec053516e45e541e5e4a91932a