[INFO] fetching crate impl_serde_serialize_error 1.0.4...
[INFO] testing impl_serde_serialize_error-1.0.4 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate impl_serde_serialize_error 1.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate impl_serde_serialize_error 1.0.4
[INFO] finished tweaking crates.io crate impl_serde_serialize_error 1.0.4
[INFO] tweaked toml for crates.io crate impl_serde_serialize_error 1.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate impl_serde_serialize_error 1.0.4 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e15db7bacb278c228193ce4a63496453ae778f34a83980e7de1cbf5cc211b1e9
[INFO] running `Command { std: "docker" "start" "-a" "e15db7bacb278c228193ce4a63496453ae778f34a83980e7de1cbf5cc211b1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e15db7bacb278c228193ce4a63496453ae778f34a83980e7de1cbf5cc211b1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15db7bacb278c228193ce4a63496453ae778f34a83980e7de1cbf5cc211b1e9", kill_on_drop: false }`
[INFO] [stdout] e15db7bacb278c228193ce4a63496453ae778f34a83980e7de1cbf5cc211b1e9
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30ab78d1aca83c14b36c2b0d40be7bc10c32f4fe48858c0abcadbb6a5cee79cf
[INFO] running `Command { std: "docker" "start" "-a" "30ab78d1aca83c14b36c2b0d40be7bc10c32f4fe48858c0abcadbb6a5cee79cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling impl_serde_serialize_error v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "30ab78d1aca83c14b36c2b0d40be7bc10c32f4fe48858c0abcadbb6a5cee79cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ab78d1aca83c14b36c2b0d40be7bc10c32f4fe48858c0abcadbb6a5cee79cf", kill_on_drop: false }`
[INFO] [stdout] 30ab78d1aca83c14b36c2b0d40be7bc10c32f4fe48858c0abcadbb6a5cee79cf
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 041abf755dd1e2f6859c7670a291d5629d5c9297f1e1ecbad8c47d23f0150784
[INFO] running `Command { std: "docker" "start" "-a" "041abf755dd1e2f6859c7670a291d5629d5c9297f1e1ecbad8c47d23f0150784", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling impl_serde_serialize_error v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `SerializationError` is never used
[INFO] [stdout]    --> src/lib.rs:251:10
[INFO] [stdout]     |
[INFO] [stdout] 251 |     enum SerializationError {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MySerializer` is never constructed
[INFO] [stdout]    --> src/lib.rs:268:16
[INFO] [stdout]     |
[INFO] [stdout] 268 |         struct MySerializer;
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "041abf755dd1e2f6859c7670a291d5629d5c9297f1e1ecbad8c47d23f0150784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041abf755dd1e2f6859c7670a291d5629d5c9297f1e1ecbad8c47d23f0150784", kill_on_drop: false }`
[INFO] [stdout] 041abf755dd1e2f6859c7670a291d5629d5c9297f1e1ecbad8c47d23f0150784
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f37f62d463685fa9cc4d629a705f52edc8c666dc8d5cbe3229637737135ea8b9
[INFO] running `Command { std: "docker" "start" "-a" "f37f62d463685fa9cc4d629a705f52edc8c666dc8d5cbe3229637737135ea8b9", kill_on_drop: false }`
[INFO] [stderr] warning: enum `SerializationError` is never used
[INFO] [stderr]    --> src/lib.rs:251:10
[INFO] [stderr]     |
[INFO] [stderr] 251 |     enum SerializationError {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MySerializer` is never constructed
[INFO] [stderr]    --> src/lib.rs:268:16
[INFO] [stderr]     |
[INFO] [stderr] 268 |         struct MySerializer;
[INFO] [stderr]     |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `impl_serde_serialize_error` (lib test) generated 2 warnings
[INFO] [stdout] running 1 test
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] test tests::all_errors ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/impl_serde_serialize_error-10d95bed19be4a0d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests impl_serde_serialize_error
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - impl_serde_serialize_error (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f37f62d463685fa9cc4d629a705f52edc8c666dc8d5cbe3229637737135ea8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f37f62d463685fa9cc4d629a705f52edc8c666dc8d5cbe3229637737135ea8b9", kill_on_drop: false }`
[INFO] [stdout] f37f62d463685fa9cc4d629a705f52edc8c666dc8d5cbe3229637737135ea8b9