[INFO] cloning repository https://github.com/peat/topo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peat/topo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeat%2Ftopo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeat%2Ftopo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b383772023f55c666eb6b1975093ff7fdb200297
[INFO] checking peat/topo against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeat%2Ftopo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/peat/topo
[INFO] finished tweaking git repo https://github.com/peat/topo
[INFO] tweaked toml for git repo https://github.com/peat/topo written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/peat/topo on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/peat/topo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] [stderr]   Downloaded rayon-core v1.6.0
[INFO] [stderr]   Downloaded num_cpus v1.10.1
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded png v0.15.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.1
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded memoffset v0.5.1
[INFO] [stderr]   Downloaded rayon v1.2.0
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a6ee3ede5b693395dbd103b03ece1e7edef94c7e651096ada09d795d91b4d6b
[INFO] running `Command { std: "docker" "start" "-a" "5a6ee3ede5b693395dbd103b03ece1e7edef94c7e651096ada09d795d91b4d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a6ee3ede5b693395dbd103b03ece1e7edef94c7e651096ada09d795d91b4d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6ee3ede5b693395dbd103b03ece1e7edef94c7e651096ada09d795d91b4d6b", kill_on_drop: false }`
[INFO] [stdout] 5a6ee3ede5b693395dbd103b03ece1e7edef94c7e651096ada09d795d91b4d6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 078d4f8f196240401fe8e907895bf0b4451d15edba92949d5b7d7fb4f0a13d74
[INFO] running `Command { std: "docker" "start" "-a" "078d4f8f196240401fe8e907895bf0b4451d15edba92949d5b7d7fb4f0a13d74", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking topo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]  --> src/edge_finder.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct EdgeFinder {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 8 |     pub width: u32,
[INFO] [stdout] 9 |     pub height: u32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/map_data.rs:93:18
[INFO] [stdout]    |
[INFO] [stdout] 93 |         unsafe { mem::transmute::<[u8; 4], f32>(buffer) }
[INFO] [stdout]    |                  ------------------------------^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: replace this with: `f32::from_ne_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]  --> src/edge_finder.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct EdgeFinder {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 8 |     pub width: u32,
[INFO] [stdout] 9 |     pub height: u32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/map_data.rs:93:18
[INFO] [stdout]    |
[INFO] [stdout] 93 |         unsafe { mem::transmute::<[u8; 4], f32>(buffer) }
[INFO] [stdout]    |                  ------------------------------^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: replace this with: `f32::from_ne_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "078d4f8f196240401fe8e907895bf0b4451d15edba92949d5b7d7fb4f0a13d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "078d4f8f196240401fe8e907895bf0b4451d15edba92949d5b7d7fb4f0a13d74", kill_on_drop: false }`
[INFO] [stdout] 078d4f8f196240401fe8e907895bf0b4451d15edba92949d5b7d7fb4f0a13d74
