[INFO] fetching crate postcard2 0.1.0...
[INFO] building postcard2-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate postcard2 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate postcard2 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate postcard2 0.1.0
[INFO] tweaked toml for crates.io crate postcard2 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate postcard2 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate postcard2 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded postcard-derive-ng v0.3.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.95
[INFO] [stderr]   Downloaded simba v0.9.0
[INFO] [stderr]   Downloaded num-traits v0.2.19
[INFO] [stderr]   Downloaded autocfg v1.5.0
[INFO] [stderr]   Downloaded thiserror-impl v2.0.12
[INFO] [stderr]   Downloaded crc v3.3.0
[INFO] [stderr]   Downloaded crc-catalog v2.4.0
[INFO] [stderr]   Downloaded heapless v0.7.17
[INFO] [stderr]   Downloaded semver v1.0.26
[INFO] [stderr]   Downloaded num-rational v0.4.2
[INFO] [stderr]   Downloaded num-complex v0.4.6
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded defmt-parser v1.0.0
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded cobs v0.3.0
[INFO] [stderr]   Downloaded lock_api v0.4.13
[INFO] [stderr]   Downloaded stable_deref_trait v1.2.0
[INFO] [stderr]   Downloaded num-integer v0.1.46
[INFO] [stderr]   Downloaded rustc_version v0.4.1
[INFO] [stderr]   Downloaded spin v0.9.8
[INFO] [stderr]   Downloaded paste v1.0.15
[INFO] [stderr]   Downloaded typenum v1.18.0
[INFO] [stderr]   Downloaded defmt-macros v1.0.1
[INFO] [stderr]   Downloaded defmt v1.0.1
[INFO] [stderr]   Downloaded thiserror v2.0.12
[INFO] [stderr]   Downloaded proc-macro-error-attr2 v2.0.0
[INFO] [stderr]   Downloaded proc-macro-error2 v2.0.1
[INFO] [stderr]   Downloaded embedded-io v0.4.0
[INFO] [stderr]   Downloaded embedded-io v0.6.1
[INFO] [stderr]   Downloaded syn v2.0.103
[INFO] [stderr]   Downloaded critical-section v1.2.0
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.3
[INFO] [stderr]   Downloaded byteorder v1.5.0
[INFO] [stderr]   Downloaded nalgebra v0.33.2
[INFO] [stderr]   Downloaded scopeguard v1.2.0
[INFO] [stderr]   Downloaded approx v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8d61e2c72abcbbedf503ba6cdd1929e71ae98c1322f85d3f2c7322a9f7d0238
[INFO] running `Command { std: "docker" "start" "-a" "d8d61e2c72abcbbedf503ba6cdd1929e71ae98c1322f85d3f2c7322a9f7d0238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8d61e2c72abcbbedf503ba6cdd1929e71ae98c1322f85d3f2c7322a9f7d0238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d61e2c72abcbbedf503ba6cdd1929e71ae98c1322f85d3f2c7322a9f7d0238", kill_on_drop: false }`
[INFO] [stdout] d8d61e2c72abcbbedf503ba6cdd1929e71ae98c1322f85d3f2c7322a9f7d0238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6aaaf8aa40e80f9419ad2ca02aed66b9c4ba6bd60980dae7435e6aca3de3628e
[INFO] running `Command { std: "docker" "start" "-a" "6aaaf8aa40e80f9419ad2ca02aed66b9c4ba6bd60980dae7435e6aca3de3628e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling syn v2.0.103
[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 postcard2 v0.1.0 (/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 10.41s
[INFO] running `Command { std: "docker" "inspect" "6aaaf8aa40e80f9419ad2ca02aed66b9c4ba6bd60980dae7435e6aca3de3628e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aaaf8aa40e80f9419ad2ca02aed66b9c4ba6bd60980dae7435e6aca3de3628e", kill_on_drop: false }`
[INFO] [stdout] 6aaaf8aa40e80f9419ad2ca02aed66b9c4ba6bd60980dae7435e6aca3de3628e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cef3c612ab42f6609d6b36218a5eb71e6ee1a1dc1d111f8562e60babe617526d
[INFO] running `Command { std: "docker" "start" "-a" "cef3c612ab42f6609d6b36218a5eb71e6ee1a1dc1d111f8562e60babe617526d", kill_on_drop: false }`
[INFO] [stderr]    Compiling postcard2 v0.1.0 (/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 2.82s
[INFO] running `Command { std: "docker" "inspect" "cef3c612ab42f6609d6b36218a5eb71e6ee1a1dc1d111f8562e60babe617526d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef3c612ab42f6609d6b36218a5eb71e6ee1a1dc1d111f8562e60babe617526d", kill_on_drop: false }`
[INFO] [stdout] cef3c612ab42f6609d6b36218a5eb71e6ee1a1dc1d111f8562e60babe617526d