[INFO] fetching crate miette 5.10.0...
[INFO] checking miette-5.10.0 against master#020bbe46bdf613c0b8211984eaa8e5fe97d6c92d for pr-122960
[INFO] extracting crate miette 5.10.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate miette 5.10.0 on toolchain 020bbe46bdf613c0b8211984eaa8e5fe97d6c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate miette 5.10.0
[INFO] finished tweaking crates.io crate miette 5.10.0
[INFO] tweaked toml for crates.io crate miette 5.10.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_spanned v0.6.5
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.5
[INFO] [stderr]   Downloaded termcolor v1.4.1
[INFO] [stderr]   Downloaded toml v0.8.12
[INFO] [stderr]   Downloaded trybuild v1.0.90
[INFO] [stderr]   Downloaded is-terminal v0.4.12
[INFO] [stderr]   Downloaded addr2line v0.21.0
[INFO] [stderr]   Downloaded miniz_oxide v0.7.2
[INFO] [stderr]   Downloaded backtrace-ext v0.2.1
[INFO] [stderr]   Downloaded backtrace v0.3.71
[INFO] [stderr]   Downloaded gimli v0.28.1
[INFO] [stderr]   Downloaded object v0.32.2
[INFO] [stderr]   Downloaded futures-util v0.3.30
[INFO] [stderr]   Downloaded winnow v0.6.5
[INFO] [stderr]   Downloaded futures-sink v0.3.30
[INFO] [stderr]   Downloaded futures-task v0.3.30
[INFO] [stderr]   Downloaded futures v0.3.30
[INFO] [stderr]   Downloaded indenter v0.3.3
[INFO] [stderr]   Downloaded miette-derive v5.10.0
[INFO] [stderr]   Downloaded owo-colors v3.5.0
[INFO] [stderr]   Downloaded semver v1.0.22
[INFO] [stderr]   Downloaded is_ci v1.2.0
[INFO] [stderr]   Downloaded supports-color v2.1.0
[INFO] [stderr]   Downloaded supports-hyperlinks v2.1.0
[INFO] [stderr]   Downloaded supports-unicode v2.1.0
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded smawk v0.3.2
[INFO] [stderr]   Downloaded indexmap v2.2.6
[INFO] [stderr]   Downloaded toml_edit v0.22.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbc6632c822c4fe63f27485b749005ecbdec9c985a5e7c19ae9790c37103a20e
[INFO] running `Command { std: "docker" "start" "-a" "cbc6632c822c4fe63f27485b749005ecbdec9c985a5e7c19ae9790c37103a20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc6632c822c4fe63f27485b749005ecbdec9c985a5e7c19ae9790c37103a20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc6632c822c4fe63f27485b749005ecbdec9c985a5e7c19ae9790c37103a20e", kill_on_drop: false }`
[INFO] [stdout] cbc6632c822c4fe63f27485b749005ecbdec9c985a5e7c19ae9790c37103a20e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 732fdfdcf035273f148d0ab47a26ffc2fc492bb6263bbe1b1a7e0c0d8a9de62f
[INFO] running `Command { std: "docker" "start" "-a" "732fdfdcf035273f148d0ab47a26ffc2fc492bb6263bbe1b1a7e0c0d8a9de62f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling trybuild v1.0.90
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking toml_edit v0.22.9
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]     Checking miette v5.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]  --> src/source_impls.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 |     borrow::{Cow, ToOwned},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToOwned` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisplayError` is never constructed
[INFO] [stdout]   --> src/eyreish/wrapper.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) struct DisplayError<M>(pub(crate) M);
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoneError` is never constructed
[INFO] [stdout]   --> src/eyreish/wrapper.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) struct NoneError;
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]  --> src/source_impls.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 |     borrow::{Cow, ToOwned},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToOwned` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisplayError` is never constructed
[INFO] [stdout]   --> src/eyreish/wrapper.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) struct DisplayError<M>(pub(crate) M);
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoneError` is never constructed
[INFO] [stdout]   --> src/eyreish/wrapper.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) struct NoneError;
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.27s
[INFO] running `Command { std: "docker" "inspect" "732fdfdcf035273f148d0ab47a26ffc2fc492bb6263bbe1b1a7e0c0d8a9de62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732fdfdcf035273f148d0ab47a26ffc2fc492bb6263bbe1b1a7e0c0d8a9de62f", kill_on_drop: false }`
[INFO] [stdout] 732fdfdcf035273f148d0ab47a26ffc2fc492bb6263bbe1b1a7e0c0d8a9de62f