[INFO] fetching crate prefix_id 1.0.2...
[INFO] checking prefix_id-1.0.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate prefix_id 1.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate prefix_id 1.0.2
[INFO] finished tweaking crates.io crate prefix_id 1.0.2
[INFO] tweaked toml for crates.io crate prefix_id 1.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prefix_id 1.0.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding smol_str v0.2.2 (available: v0.3.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32ce54b90e44545aa70f9470053e3b06720b055c3f0d40c7f8a169d46bfd174f
[INFO] running `Command { std: "docker" "start" "-a" "32ce54b90e44545aa70f9470053e3b06720b055c3f0d40c7f8a169d46bfd174f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32ce54b90e44545aa70f9470053e3b06720b055c3f0d40c7f8a169d46bfd174f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ce54b90e44545aa70f9470053e3b06720b055c3f0d40c7f8a169d46bfd174f", kill_on_drop: false }`
[INFO] [stdout] 32ce54b90e44545aa70f9470053e3b06720b055c3f0d40c7f8a169d46bfd174f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 363b9f9e950f97ed1bae7e33dc003d14e797eeaa77dc489093aeb1f5ad29a0a7
[INFO] running `Command { std: "docker" "start" "-a" "363b9f9e950f97ed1bae7e33dc003d14e797eeaa77dc489093aeb1f5ad29a0a7", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking nanoid v0.4.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking prefix_id v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/lib.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let id: ImId = "im_123456789".parse().unwrap();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/lib.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 |         let id: ImId = "in_1234567890".parse().unwrap();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]    --> src/lib.rs:144:20
[INFO] [stdout]     |
[INFO] [stdout] 138 |         impl $name {
[INFO] [stdout]     |         ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 144 |             pub fn as_str(&self) -> &str {
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |         create_id!(ImId, "im");
[INFO] [stdout]     |         ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `create_id` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]    --> src/lib.rs:144:20
[INFO] [stdout]     |
[INFO] [stdout] 138 |         impl $name {
[INFO] [stdout]     |         ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 144 |             pub fn as_str(&self) -> &str {
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 235 |         create_id!(ImId, "im", 10);
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `create_id` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]    --> src/lib.rs:144:20
[INFO] [stdout]     |
[INFO] [stdout] 138 |         impl $name {
[INFO] [stdout]     |         ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 144 |             pub fn as_str(&self) -> &str {
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 246 |         create_id!(ImId, "im", 10);
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `create_id` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]    --> src/lib.rs:144:20
[INFO] [stdout]     |
[INFO] [stdout] 138 |         impl $name {
[INFO] [stdout]     |         ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 144 |             pub fn as_str(&self) -> &str {
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 253 |         create_id!(ImId, "im", 10);
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `create_id` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "363b9f9e950f97ed1bae7e33dc003d14e797eeaa77dc489093aeb1f5ad29a0a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363b9f9e950f97ed1bae7e33dc003d14e797eeaa77dc489093aeb1f5ad29a0a7", kill_on_drop: false }`
[INFO] [stdout] 363b9f9e950f97ed1bae7e33dc003d14e797eeaa77dc489093aeb1f5ad29a0a7