[INFO] fetching crate api-version 0.3.2...
[INFO] checking api-version-0.3.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate api-version 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate api-version 0.3.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate api-version 0.3.2
[INFO] tweaked toml for crates.io crate api-version 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate api-version 0.3.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate api-version 0.3.2 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efe896898141b17398c4b4a4b7a48f8aeb1a05641d88b87d114f9a8348eeb18c
[INFO] running `Command { std: "docker" "start" "-a" "efe896898141b17398c4b4a4b7a48f8aeb1a05641d88b87d114f9a8348eeb18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efe896898141b17398c4b4a4b7a48f8aeb1a05641d88b87d114f9a8348eeb18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe896898141b17398c4b4a4b7a48f8aeb1a05641d88b87d114f9a8348eeb18c", kill_on_drop: false }`
[INFO] [stdout] efe896898141b17398c4b4a4b7a48f8aeb1a05641d88b87d114f9a8348eeb18c
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 763f6f09c73bdc856a24708d4acb3b7eb24412a67f44f799a6fd5f64ae5cda32
[INFO] running `Command { std: "docker" "start" "-a" "763f6f09c73bdc856a24708d4acb3b7eb24412a67f44f799a6fd5f64ae5cda32", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking sync_wrapper v1.0.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking headers-core v0.3.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking headers v0.4.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking serde_path_to_error v0.1.15
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling trait-variant v0.1.2
[INFO] [stderr]     Checking tokio v1.38.1
[INFO] [stderr]     Checking pin-project v1.1.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper v1.2.0
[INFO] [stderr]     Checking http-body-util v0.1.0
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking axum-core v0.5.0
[INFO] [stderr]     Checking hyper-util v0.1.3
[INFO] [stderr]     Checking axum v0.8.1
[INFO] [stderr]     Checking axum-extra v0.10.0
[INFO] [stderr]     Checking api-version v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:148:77
[INFO] [stdout]     |
[INFO] [stdout] 148 |       async fn should_rewrite(&self, _uri: &Uri) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________________^
[INFO] [stdout] 149 | |         Ok(true)
[INFO] [stdout] 150 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:148:77
[INFO] [stdout]     |
[INFO] [stdout] 148 |       async fn should_rewrite(&self, _uri: &Uri) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________________^
[INFO] [stdout] 149 | |         Ok(true)
[INFO] [stdout] 150 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         Ok(true)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:148:77
[INFO] [stdout]     |
[INFO] [stdout] 148 |       async fn should_rewrite(&self, _uri: &Uri) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________________^
[INFO] [stdout] 149 | |         Ok(true)
[INFO] [stdout] 150 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:148:77
[INFO] [stdout]     |
[INFO] [stdout] 148 |       async fn should_rewrite(&self, _uri: &Uri) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________________^
[INFO] [stdout] 149 | |         Ok(true)
[INFO] [stdout] 150 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         Ok(true)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `api-version` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `api-version` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "763f6f09c73bdc856a24708d4acb3b7eb24412a67f44f799a6fd5f64ae5cda32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763f6f09c73bdc856a24708d4acb3b7eb24412a67f44f799a6fd5f64ae5cda32", kill_on_drop: false }`
[INFO] [stdout] 763f6f09c73bdc856a24708d4acb3b7eb24412a67f44f799a6fd5f64ae5cda32