[INFO] fetching crate postcard 1.1.3...
[INFO] building postcard-1.1.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate postcard 1.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate postcard 1.1.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate postcard 1.1.3
[INFO] tweaked toml for crates.io crate postcard 1.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate postcard 1.1.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate postcard 1.1.3 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ed7254e7bac329bddada4baa2dec1364073b2b26eb06159652142d75bc434ee
[INFO] running `Command { std: "docker" "start" "-a" "9ed7254e7bac329bddada4baa2dec1364073b2b26eb06159652142d75bc434ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ed7254e7bac329bddada4baa2dec1364073b2b26eb06159652142d75bc434ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed7254e7bac329bddada4baa2dec1364073b2b26eb06159652142d75bc434ee", kill_on_drop: false }`
[INFO] [stdout] 9ed7254e7bac329bddada4baa2dec1364073b2b26eb06159652142d75bc434ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bac102dbf0ceddf00ab329b477dce440683c157513e2f9ba637b986b8949c3b7
[INFO] running `Command { std: "docker" "start" "-a" "bac102dbf0ceddf00ab329b477dce440683c157513e2f9ba637b986b8949c3b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling cobs v0.3.0
[INFO] [stderr]    Compiling postcard v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `MaxSize` is never used
[INFO] [stdout]   --> src/max_size.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait MaxSize {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `varint_size` is never used
[INFO] [stdout]    --> src/max_size.rs:294:10
[INFO] [stdout]     |
[INFO] [stdout] 294 | const fn varint_size(max_n: usize) -> usize {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max` is never used
[INFO] [stdout]    --> src/max_size.rs:314:10
[INFO] [stdout]     |
[INFO] [stdout] 314 | const fn max(lhs: usize, rhs: usize) -> usize {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.85s
[INFO] running `Command { std: "docker" "inspect" "bac102dbf0ceddf00ab329b477dce440683c157513e2f9ba637b986b8949c3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac102dbf0ceddf00ab329b477dce440683c157513e2f9ba637b986b8949c3b7", kill_on_drop: false }`
[INFO] [stdout] bac102dbf0ceddf00ab329b477dce440683c157513e2f9ba637b986b8949c3b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2f0074bc92d7ec6e5247a103f956af6c294ca0533f6d94a4e27d34c37dc3e8e
[INFO] running `Command { std: "docker" "start" "-a" "a2f0074bc92d7ec6e5247a103f956af6c294ca0533f6d94a4e27d34c37dc3e8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling postcard v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `MaxSize` is never used
[INFO] [stdout]   --> src/max_size.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait MaxSize {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `varint_size` is never used
[INFO] [stdout]    --> src/max_size.rs:294:10
[INFO] [stdout]     |
[INFO] [stdout] 294 | const fn varint_size(max_n: usize) -> usize {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max` is never used
[INFO] [stdout]    --> src/max_size.rs:314:10
[INFO] [stdout]     |
[INFO] [stdout] 314 | const fn max(lhs: usize, rhs: usize) -> usize {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RefStruct` is never constructed
[INFO] [stdout]   --> tests/loopback.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct RefStruct<'a> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "a2f0074bc92d7ec6e5247a103f956af6c294ca0533f6d94a4e27d34c37dc3e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f0074bc92d7ec6e5247a103f956af6c294ca0533f6d94a4e27d34c37dc3e8e", kill_on_drop: false }`
[INFO] [stdout] a2f0074bc92d7ec6e5247a103f956af6c294ca0533f6d94a4e27d34c37dc3e8e