[INFO] cloning repository https://github.com/mikecv/hidey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikecv/hidey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikecv%2Fhidey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikecv%2Fhidey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7804bc159c11d2e633dd9abadd466e79f119431b
[INFO] checking mikecv/hidey against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikecv%2Fhidey" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikecv/hidey on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mikecv/hidey
[INFO] finished tweaking git repo https://github.com/mikecv/hidey
[INFO] tweaked toml for git repo https://github.com/mikecv/hidey written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mikecv/hidey 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e7d88ef814c82122f9981e39d4959bf641252d5fc6facde6d3059c7c1af695f
[INFO] running `Command { std: "docker" "start" "-a" "6e7d88ef814c82122f9981e39d4959bf641252d5fc6facde6d3059c7c1af695f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e7d88ef814c82122f9981e39d4959bf641252d5fc6facde6d3059c7c1af695f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e7d88ef814c82122f9981e39d4959bf641252d5fc6facde6d3059c7c1af695f", kill_on_drop: false }`
[INFO] [stdout] 6e7d88ef814c82122f9981e39d4959bf641252d5fc6facde6d3059c7c1af695f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 382b8d487adf5ecd9e39bf3f10185bf430e8fc693a717829c32bba44449600dc
[INFO] running `Command { std: "docker" "start" "-a" "382b8d487adf5ecd9e39bf3f10185bf430e8fc693a717829c32bba44449600dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking destructure_traitobject v0.2.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking unsafe-any-ors v1.0.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking chrono v0.4.35
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking typemap-ors v1.0.0
[INFO] [stderr]     Checking thread-id v4.2.1
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking arc-swap v1.7.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking serde_yaml v0.9.32
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking log4rs v1.3.0
[INFO] [stderr]     Checking hidey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `log4rs` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log4rs;
[INFO] [stdout]   |     ^^^^^^ the item `log4rs` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_yaml;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log4rs` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log4rs;
[INFO] [stdout]   |     ^^^^^^ the item `log4rs` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_yaml;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.89s
[INFO] running `Command { std: "docker" "inspect" "382b8d487adf5ecd9e39bf3f10185bf430e8fc693a717829c32bba44449600dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382b8d487adf5ecd9e39bf3f10185bf430e8fc693a717829c32bba44449600dc", kill_on_drop: false }`
[INFO] [stdout] 382b8d487adf5ecd9e39bf3f10185bf430e8fc693a717829c32bba44449600dc
[INFO] checking mikecv/hidey against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikecv%2Fhidey" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikecv/hidey on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mikecv/hidey
[INFO] finished tweaking git repo https://github.com/mikecv/hidey
[INFO] tweaked toml for git repo https://github.com/mikecv/hidey written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mikecv/hidey 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b94de1cf294d05e18cb35eeb2a43f4b62c61a751f635204eb50f91c79a6551b2
[INFO] running `Command { std: "docker" "start" "-a" "b94de1cf294d05e18cb35eeb2a43f4b62c61a751f635204eb50f91c79a6551b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b94de1cf294d05e18cb35eeb2a43f4b62c61a751f635204eb50f91c79a6551b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94de1cf294d05e18cb35eeb2a43f4b62c61a751f635204eb50f91c79a6551b2", kill_on_drop: false }`
[INFO] [stdout] b94de1cf294d05e18cb35eeb2a43f4b62c61a751f635204eb50f91c79a6551b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5f564201801047377105347e4c434708a96d4e647ba925e1ddb4b4a3478126d
[INFO] running `Command { std: "docker" "start" "-a" "c5f564201801047377105347e4c434708a96d4e647ba925e1ddb4b4a3478126d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking destructure_traitobject v0.2.0
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking unsafe-any-ors v1.0.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking chrono v0.4.35
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking typemap-ors v1.0.0
[INFO] [stderr]     Checking thread-id v4.2.1
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking arc-swap v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking serde_yaml v0.9.32
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking log4rs v1.3.0
[INFO] [stderr]     Checking hidey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `log4rs` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log4rs;
[INFO] [stdout]   |     ^^^^^^ the item `log4rs` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_yaml;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log4rs` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log4rs;
[INFO] [stdout]   |     ^^^^^^ the item `log4rs` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_yaml;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.26s
[INFO] running `Command { std: "docker" "inspect" "c5f564201801047377105347e4c434708a96d4e647ba925e1ddb4b4a3478126d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5f564201801047377105347e4c434708a96d4e647ba925e1ddb4b4a3478126d", kill_on_drop: false }`
[INFO] [stdout] c5f564201801047377105347e4c434708a96d4e647ba925e1ddb4b4a3478126d