[INFO] cloning repository https://github.com/faassen/caldo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/faassen/caldo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaassen%2Fcaldo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaassen%2Fcaldo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 372e87e7ef6dd66d01afa38474bfdf7f6de80753
[INFO] checking faassen/caldo against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaassen%2Fcaldo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/faassen/caldo on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/faassen/caldo
[INFO] finished tweaking git repo https://github.com/faassen/caldo
[INFO] tweaked toml for git repo https://github.com/faassen/caldo written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/faassen/caldo 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kdtree v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6189e9fec2769629fee2f4170cef10f98d9bbb5d2148160808777a780046386c
[INFO] running `Command { std: "docker" "start" "-a" "6189e9fec2769629fee2f4170cef10f98d9bbb5d2148160808777a780046386c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6189e9fec2769629fee2f4170cef10f98d9bbb5d2148160808777a780046386c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6189e9fec2769629fee2f4170cef10f98d9bbb5d2148160808777a780046386c", kill_on_drop: false }`
[INFO] [stdout] 6189e9fec2769629fee2f4170cef10f98d9bbb5d2148160808777a780046386c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9112d7aa161c748fb287539bad153f1b555563a27f05d2032fc0c2d611f0ddac
[INFO] running `Command { std: "docker" "start" "-a" "9112d7aa161c748fb287539bad153f1b555563a27f05d2032fc0c2d611f0ddac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking array-macro v1.0.4
[INFO] [stderr]     Checking slotmap v0.4.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking kdtree v0.5.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]     Checking enum-map v0.6.2
[INFO] [stderr]     Checking caldo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `r`, `g`, and `b` are never read
[INFO] [stdout]   --> src/triplet.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Triplet {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 11 |     pub r: u8,
[INFO] [stdout]    |         ^
[INFO] [stdout] 12 |     pub g: u8,
[INFO] [stdout]    |         ^
[INFO] [stdout] 13 |     pub b: u8,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Triplet` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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` profile [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "9112d7aa161c748fb287539bad153f1b555563a27f05d2032fc0c2d611f0ddac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9112d7aa161c748fb287539bad153f1b555563a27f05d2032fc0c2d611f0ddac", kill_on_drop: false }`
[INFO] [stdout] 9112d7aa161c748fb287539bad153f1b555563a27f05d2032fc0c2d611f0ddac
[INFO] checking faassen/caldo against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaassen%2Fcaldo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/faassen/caldo on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/faassen/caldo
[INFO] finished tweaking git repo https://github.com/faassen/caldo
[INFO] tweaked toml for git repo https://github.com/faassen/caldo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/faassen/caldo 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24fe937d14b1862c0bc7808e595345d4d71e980264619fd3980e1ea8353b508b
[INFO] running `Command { std: "docker" "start" "-a" "24fe937d14b1862c0bc7808e595345d4d71e980264619fd3980e1ea8353b508b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24fe937d14b1862c0bc7808e595345d4d71e980264619fd3980e1ea8353b508b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24fe937d14b1862c0bc7808e595345d4d71e980264619fd3980e1ea8353b508b", kill_on_drop: false }`
[INFO] [stdout] 24fe937d14b1862c0bc7808e595345d4d71e980264619fd3980e1ea8353b508b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6d24d9f23f474d45a97ae832dfda8558c97f4a91df64ed815cb03023bf0170b
[INFO] running `Command { std: "docker" "start" "-a" "e6d24d9f23f474d45a97ae832dfda8558c97f4a91df64ed815cb03023bf0170b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking array-macro v1.0.4
[INFO] [stderr]     Checking slotmap v0.4.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking kdtree v0.5.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]     Checking enum-map v0.6.2
[INFO] [stderr]     Checking caldo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `r`, `g`, and `b` are never read
[INFO] [stdout]   --> src/triplet.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Triplet {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 11 |     pub r: u8,
[INFO] [stdout]    |         ^
[INFO] [stdout] 12 |     pub g: u8,
[INFO] [stdout]    |         ^
[INFO] [stdout] 13 |     pub b: u8,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Triplet` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "e6d24d9f23f474d45a97ae832dfda8558c97f4a91df64ed815cb03023bf0170b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d24d9f23f474d45a97ae832dfda8558c97f4a91df64ed815cb03023bf0170b", kill_on_drop: false }`
[INFO] [stdout] e6d24d9f23f474d45a97ae832dfda8558c97f4a91df64ed815cb03023bf0170b