[INFO] cloning repository https://github.com/CAD97/rustc-miette-adapter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CAD97/rustc-miette-adapter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCAD97%2Frustc-miette-adapter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCAD97%2Frustc-miette-adapter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79abff45f2fa3f8fda40e1d8e11515e77b108bd0
[INFO] checking CAD97/rustc-miette-adapter against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCAD97%2Frustc-miette-adapter" "/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/CAD97/rustc-miette-adapter 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/CAD97/rustc-miette-adapter
[INFO] finished tweaking git repo https://github.com/CAD97/rustc-miette-adapter
[INFO] tweaked toml for git repo https://github.com/CAD97/rustc-miette-adapter written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CAD97/rustc-miette-adapter 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded supports-unicode v1.0.2
[INFO] [stderr]   Downloaded supports-hyperlinks v1.2.0
[INFO] [stderr]   Downloaded owo-colors v3.3.0
[INFO] [stderr]   Downloaded backtrace v0.3.64
[INFO] [stderr]   Downloaded miette-derive v4.2.1
[INFO] [stderr]   Downloaded supports-color v1.3.0
[INFO] [stderr]   Downloaded miette v4.2.1
[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] 87420f222db8a602aebcf9d33a23f55380f5a26352a1501f99c66939d760dbef
[INFO] running `Command { std: "docker" "start" "-a" "87420f222db8a602aebcf9d33a23f55380f5a26352a1501f99c66939d760dbef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87420f222db8a602aebcf9d33a23f55380f5a26352a1501f99c66939d760dbef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87420f222db8a602aebcf9d33a23f55380f5a26352a1501f99c66939d760dbef", kill_on_drop: false }`
[INFO] [stdout] 87420f222db8a602aebcf9d33a23f55380f5a26352a1501f99c66939d760dbef
[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] 84f2d06be0b68816e569a0fd2bfe6e8e99c2502d7a753165df10aaccf506f482
[INFO] running `Command { std: "docker" "start" "-a" "84f2d06be0b68816e569a0fd2bfe6e8e99c2502d7a753165df10aaccf506f482", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling camino v1.0.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking supports-color v1.3.0
[INFO] [stderr]     Checking supports-unicode v1.0.2
[INFO] [stderr]     Checking supports-hyperlinks v1.2.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking owo-colors v3.3.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling miette-derive v4.2.1
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking miette v4.2.1
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking cargo_metadata v0.14.2
[INFO] [stderr]     Checking rustc-miette-adapter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `path::PathBuf`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     path::PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::PathBuf`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     path::PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WrapErr`
[INFO] [stdout]  --> src/main.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use miette::{IntoDiagnostic, ReportHandler, Result, WrapErr};
[INFO] [stdout]   |                                                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WrapErr`
[INFO] [stdout]  --> src/main.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use miette::{IntoDiagnostic, ReportHandler, Result, WrapErr};
[INFO] [stdout]   |                                                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.83s
[INFO] running `Command { std: "docker" "inspect" "84f2d06be0b68816e569a0fd2bfe6e8e99c2502d7a753165df10aaccf506f482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f2d06be0b68816e569a0fd2bfe6e8e99c2502d7a753165df10aaccf506f482", kill_on_drop: false }`
[INFO] [stdout] 84f2d06be0b68816e569a0fd2bfe6e8e99c2502d7a753165df10aaccf506f482
[INFO] checking CAD97/rustc-miette-adapter against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCAD97%2Frustc-miette-adapter" "/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/CAD97/rustc-miette-adapter 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/CAD97/rustc-miette-adapter
[INFO] finished tweaking git repo https://github.com/CAD97/rustc-miette-adapter
[INFO] tweaked toml for git repo https://github.com/CAD97/rustc-miette-adapter written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/CAD97/rustc-miette-adapter 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] 9feff621bd342561d59ac9f0a6f77ee2808f501837ec38cf06ec178487f2210e
[INFO] running `Command { std: "docker" "start" "-a" "9feff621bd342561d59ac9f0a6f77ee2808f501837ec38cf06ec178487f2210e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9feff621bd342561d59ac9f0a6f77ee2808f501837ec38cf06ec178487f2210e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9feff621bd342561d59ac9f0a6f77ee2808f501837ec38cf06ec178487f2210e", kill_on_drop: false }`
[INFO] [stdout] 9feff621bd342561d59ac9f0a6f77ee2808f501837ec38cf06ec178487f2210e
[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] 47b5b19a5ffdf516a8626b191fd9fdd9d7f988f37d53e88ec36924301bebd9c7
[INFO] running `Command { std: "docker" "start" "-a" "47b5b19a5ffdf516a8626b191fd9fdd9d7f988f37d53e88ec36924301bebd9c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling camino v1.0.7
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking supports-color v1.3.0
[INFO] [stderr]     Checking supports-hyperlinks v1.2.0
[INFO] [stderr]     Checking supports-unicode v1.0.2
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking owo-colors v3.3.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling miette-derive v4.2.1
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking miette v4.2.1
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking cargo_metadata v0.14.2
[INFO] [stderr]     Checking rustc-miette-adapter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `path::PathBuf`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     path::PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::PathBuf`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     path::PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WrapErr`
[INFO] [stdout]  --> src/main.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use miette::{IntoDiagnostic, ReportHandler, Result, WrapErr};
[INFO] [stdout]   |                                                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WrapErr`
[INFO] [stdout]  --> src/main.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use miette::{IntoDiagnostic, ReportHandler, Result, WrapErr};
[INFO] [stdout]   |                                                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.66s
[INFO] running `Command { std: "docker" "inspect" "47b5b19a5ffdf516a8626b191fd9fdd9d7f988f37d53e88ec36924301bebd9c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47b5b19a5ffdf516a8626b191fd9fdd9d7f988f37d53e88ec36924301bebd9c7", kill_on_drop: false }`
[INFO] [stdout] 47b5b19a5ffdf516a8626b191fd9fdd9d7f988f37d53e88ec36924301bebd9c7