[INFO] fetching crate corgi 0.9.9...
[INFO] checking corgi-0.9.9 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate corgi 0.9.9 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate corgi 0.9.9 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] removed /workspace/builds/worker-2-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate corgi 0.9.9
[INFO] finished tweaking crates.io crate corgi 0.9.9
[INFO] tweaked toml for crates.io crate corgi 0.9.9 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 95 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding core-foundation v0.9.4 (latest: v0.10.0)
[INFO] [stderr]       Adding dirs v3.0.2 (latest: v5.0.1)
[INFO] [stderr]       Adding dirs-sys v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding idna v0.5.0 (latest: v1.0.2)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.5)
[INFO] [stderr]       Adding rustls-native-certs v0.7.3 (latest: v0.8.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 72b1776d136fc193065f24c354ac9910a4a2bf2dfda59be6defa681e7580a3a6
[INFO] running `Command { std: "docker" "start" "-a" "72b1776d136fc193065f24c354ac9910a4a2bf2dfda59be6defa681e7580a3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72b1776d136fc193065f24c354ac9910a4a2bf2dfda59be6defa681e7580a3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b1776d136fc193065f24c354ac9910a4a2bf2dfda59be6defa681e7580a3a6", kill_on_drop: false }`
[INFO] [stdout] 72b1776d136fc193065f24c354ac9910a4a2bf2dfda59be6defa681e7580a3a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2527beb865828fbc6fe3acfde4065e875c3dd6022323d2bd8575c5bf03be4a7c
[INFO] running `Command { std: "docker" "start" "-a" "2527beb865828fbc6fe3acfde4065e875c3dd6022323d2bd8575c5bf03be4a7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.39
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking mimalloc v0.1.43
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking corgi v0.9.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/array/mod.rs:253:13
[INFO] [stdout]     |
[INFO] [stdout] 253 |             Array::from(values)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 897 |         arr![arr![arr![0.0], arr![1.0]], arr![arr![2.0, 3.0], arr![4.0]]];
[INFO] [stdout]     |         ----------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `arr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 253 |             let _ = Array::from(values);
[INFO] [stdout]     |             +++++++                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "2527beb865828fbc6fe3acfde4065e875c3dd6022323d2bd8575c5bf03be4a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2527beb865828fbc6fe3acfde4065e875c3dd6022323d2bd8575c5bf03be4a7c", kill_on_drop: false }`
[INFO] [stdout] 2527beb865828fbc6fe3acfde4065e875c3dd6022323d2bd8575c5bf03be4a7c
[INFO] checking corgi-0.9.9 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate corgi 0.9.9 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate corgi 0.9.9 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] removed /workspace/builds/worker-2-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate corgi 0.9.9
[INFO] finished tweaking crates.io crate corgi 0.9.9
[INFO] tweaked toml for crates.io crate corgi 0.9.9 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 95 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding core-foundation v0.9.4 (latest: v0.10.0)
[INFO] [stderr]       Adding dirs v3.0.2 (latest: v5.0.1)
[INFO] [stderr]       Adding dirs-sys v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding idna v0.5.0 (latest: v1.0.2)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.5)
[INFO] [stderr]       Adding rustls-native-certs v0.7.3 (latest: v0.8.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a3ce6d005a2532334e5c76accd8c532137c17314023b0b05ae6fa7fcd3511e71
[INFO] running `Command { std: "docker" "start" "-a" "a3ce6d005a2532334e5c76accd8c532137c17314023b0b05ae6fa7fcd3511e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3ce6d005a2532334e5c76accd8c532137c17314023b0b05ae6fa7fcd3511e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ce6d005a2532334e5c76accd8c532137c17314023b0b05ae6fa7fcd3511e71", kill_on_drop: false }`
[INFO] [stdout] a3ce6d005a2532334e5c76accd8c532137c17314023b0b05ae6fa7fcd3511e71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 061cfb4922625ca35b642a5c65d36ebdce5728d37a63c5b232f7a9dcbc591b6c
[INFO] running `Command { std: "docker" "start" "-a" "061cfb4922625ca35b642a5c65d36ebdce5728d37a63c5b232f7a9dcbc591b6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.39
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking mimalloc v0.1.43
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking corgi v0.9.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/array/mod.rs:253:13
[INFO] [stdout]     |
[INFO] [stdout] 253 |             Array::from(values)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 897 |         arr![arr![arr![0.0], arr![1.0]], arr![arr![2.0, 3.0], arr![4.0]]];
[INFO] [stdout]     |         ----------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `arr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 253 |             let _ = Array::from(values);
[INFO] [stdout]     |             +++++++                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "061cfb4922625ca35b642a5c65d36ebdce5728d37a63c5b232f7a9dcbc591b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061cfb4922625ca35b642a5c65d36ebdce5728d37a63c5b232f7a9dcbc591b6c", kill_on_drop: false }`
[INFO] [stdout] 061cfb4922625ca35b642a5c65d36ebdce5728d37a63c5b232f7a9dcbc591b6c