[INFO] fetching crate prefix_id 1.0.2...
[INFO] testing prefix_id-1.0.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate prefix_id 1.0.2 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prefix_id 1.0.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 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: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8914895cd2b3eb1acc3be7cfe8cb3e60e971743cd3557739b7566f39ed939cb1
[INFO] running `Command { std: "docker" "start" "-a" "8914895cd2b3eb1acc3be7cfe8cb3e60e971743cd3557739b7566f39ed939cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8914895cd2b3eb1acc3be7cfe8cb3e60e971743cd3557739b7566f39ed939cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8914895cd2b3eb1acc3be7cfe8cb3e60e971743cd3557739b7566f39ed939cb1", kill_on_drop: false }`
[INFO] [stdout] 8914895cd2b3eb1acc3be7cfe8cb3e60e971743cd3557739b7566f39ed939cb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bdb9b538a1c0d141696a00843d7013ce03bab7850c8473f121c604398e6038c
[INFO] running `Command { std: "docker" "start" "-a" "1bdb9b538a1c0d141696a00843d7013ce03bab7850c8473f121c604398e6038c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling smol_str v0.2.2
[INFO] [stderr]    Compiling nanoid v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling prefix_id v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `Command { std: "docker" "inspect" "1bdb9b538a1c0d141696a00843d7013ce03bab7850c8473f121c604398e6038c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bdb9b538a1c0d141696a00843d7013ce03bab7850c8473f121c604398e6038c", kill_on_drop: false }`
[INFO] [stdout] 1bdb9b538a1c0d141696a00843d7013ce03bab7850c8473f121c604398e6038c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dccdc7fd94c9e0137759c8872d0cc60a0763bf50fafd4974bc842249ed954630
[INFO] running `Command { std: "docker" "start" "-a" "dccdc7fd94c9e0137759c8872d0cc60a0763bf50fafd4974bc842249ed954630", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "dccdc7fd94c9e0137759c8872d0cc60a0763bf50fafd4974bc842249ed954630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dccdc7fd94c9e0137759c8872d0cc60a0763bf50fafd4974bc842249ed954630", kill_on_drop: false }`
[INFO] [stdout] dccdc7fd94c9e0137759c8872d0cc60a0763bf50fafd4974bc842249ed954630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 943e07df3bc4d498ffc39fb3e2fbe1c76e34cc950db8b7e4a04cf82bcb1198cb
[INFO] running `Command { std: "docker" "start" "-a" "943e07df3bc4d498ffc39fb3e2fbe1c76e34cc950db8b7e4a04cf82bcb1198cb", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/lib.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let id: ImId = "im_123456789".parse().unwrap();
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/lib.rs:254:13
[INFO] [stderr]     |
[INFO] [stderr] 254 |         let id: ImId = "in_1234567890".parse().unwrap();
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: method `as_str` is never used
[INFO] [stderr]    --> src/lib.rs:144:20
[INFO] [stderr]     |
[INFO] [stderr] 138 |         impl $name {
[INFO] [stderr]     |         ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 144 |             pub fn as_str(&self) -> &str {
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 225 |         create_id!(ImId, "im");
[INFO] [stderr]     |         ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]     = note: this warning originates in the macro `create_id` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: method `as_str` is never used
[INFO] [stderr]    --> src/lib.rs:144:20
[INFO] [stderr]     |
[INFO] [stderr] 138 |         impl $name {
[INFO] [stderr]     |         ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 144 |             pub fn as_str(&self) -> &str {
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 235 |         create_id!(ImId, "im", 10);
[INFO] [stderr]     |         -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `create_id` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: method `as_str` is never used
[INFO] [stderr]    --> src/lib.rs:144:20
[INFO] [stderr]     |
[INFO] [stderr] 138 |         impl $name {
[INFO] [stderr]     |         ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 144 |             pub fn as_str(&self) -> &str {
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 246 |         create_id!(ImId, "im", 10);
[INFO] [stderr]     |         -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `create_id` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: method `as_str` is never used
[INFO] [stderr]    --> src/lib.rs:144:20
[INFO] [stderr]     |
[INFO] [stderr] 138 |         impl $name {
[INFO] [stderr]     |         ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 144 |             pub fn as_str(&self) -> &str {
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 253 |         create_id!(ImId, "im", 10);
[INFO] [stderr]     |         -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `create_id` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `prefix_id` (lib test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prefix_id-72455d228f5bcfa6)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_macros::simple_with_prefix ... ok
[INFO] [stdout] test test_macros::simple ... ok
[INFO] [stdout] test test_macros::simple_with_prefix_and_size ... ok
[INFO] [stdout] test test_macros::test_as_str ... ok
[INFO] [stdout] test test_macros::size ... ok
[INFO] [stdout] test test_macros::throw_invalid_size - should panic ... ok
[INFO] [stdout] test test_macros::throw_invalid_prefix - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prefix_id
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "943e07df3bc4d498ffc39fb3e2fbe1c76e34cc950db8b7e4a04cf82bcb1198cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943e07df3bc4d498ffc39fb3e2fbe1c76e34cc950db8b7e4a04cf82bcb1198cb", kill_on_drop: false }`
[INFO] [stdout] 943e07df3bc4d498ffc39fb3e2fbe1c76e34cc950db8b7e4a04cf82bcb1198cb