[INFO] fetching crate postoffice 0.0.26... [INFO] testing postoffice-0.0.26 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate postoffice 0.0.26 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate postoffice 0.0.26 [INFO] finished tweaking crates.io crate postoffice 0.0.26 [INFO] tweaked toml for crates.io crate postoffice 0.0.26 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate postoffice 0.0.26 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] crate crates.io crate postoffice 0.0.26 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" "+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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bb7cbf0c72356def80d1ac8e136dad6e9c8daf3a202ce36681ea7bf7ab8d7815 [INFO] running `Command { std: "docker" "start" "-a" "bb7cbf0c72356def80d1ac8e136dad6e9c8daf3a202ce36681ea7bf7ab8d7815", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb7cbf0c72356def80d1ac8e136dad6e9c8daf3a202ce36681ea7bf7ab8d7815", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb7cbf0c72356def80d1ac8e136dad6e9c8daf3a202ce36681ea7bf7ab8d7815", kill_on_drop: false }` [INFO] [stdout] bb7cbf0c72356def80d1ac8e136dad6e9c8daf3a202ce36681ea7bf7ab8d7815 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 425b7b8861be6fe1ed8d80be34e890c1a664f65d12e33032358370d29f794497 [INFO] running `Command { std: "docker" "start" "-a" "425b7b8861be6fe1ed8d80be34e890c1a664f65d12e33032358370d29f794497", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling once_cell v1.4.1 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling subtle v2.2.2 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling subtle v1.0.0 [INFO] [stderr] Compiling zeroize v1.1.0 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling json v0.12.1 [INFO] [stderr] Compiling base64 v0.11.0 [INFO] [stderr] Compiling md5 v0.7.0 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling mio v0.7.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling block-cipher-trait v0.6.2 [INFO] [stderr] Compiling universal-hash v0.3.0 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling aead v0.2.0 [INFO] [stderr] Compiling crypto-mac v0.7.0 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling aes-soft v0.3.3 [INFO] [stderr] Compiling sha2 v0.8.1 [INFO] [stderr] Compiling polyval v0.3.3 [INFO] [stderr] Compiling hmac v0.7.1 [INFO] [stderr] Compiling aes v0.3.2 [INFO] [stderr] Compiling ghash v0.2.3 [INFO] [stderr] Compiling aes-gcm v0.3.0 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling pin-project v0.4.23 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling postoffice v0.0.26 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/client/channel.rs:96:22 [INFO] [stdout] | [INFO] [stdout] 96 | Some(mut channel)=>{ [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `close_collector` is never used [INFO] [stdout] --> src/main.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn close_collector(){ [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 `writer_thread` is never used [INFO] [stdout] --> src/main.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn writer_thread(start_from:i32){ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `base_dir` is never read [INFO] [stdout] --> src/collector/collection.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Collection { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 9 | pub base_dir:String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Collection` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.91s [INFO] running `Command { std: "docker" "inspect" "425b7b8861be6fe1ed8d80be34e890c1a664f65d12e33032358370d29f794497", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "425b7b8861be6fe1ed8d80be34e890c1a664f65d12e33032358370d29f794497", kill_on_drop: false }` [INFO] [stdout] 425b7b8861be6fe1ed8d80be34e890c1a664f65d12e33032358370d29f794497 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6d38f511e532dbe476820b01b6acca2e683afdad86ab99429b782a5a434a19fa [INFO] running `Command { std: "docker" "start" "-a" "6d38f511e532dbe476820b01b6acca2e683afdad86ab99429b782a5a434a19fa", kill_on_drop: false }` [INFO] [stderr] Compiling postoffice v0.0.26 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/client/channel.rs:96:22 [INFO] [stdout] | [INFO] [stdout] 96 | Some(mut channel)=>{ [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `close_collector` is never used [INFO] [stdout] --> src/main.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn close_collector(){ [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 `writer_thread` is never used [INFO] [stdout] --> src/main.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn writer_thread(start_from:i32){ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `base_dir` is never read [INFO] [stdout] --> src/collector/collection.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Collection { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 9 | pub base_dir:String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Collection` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/client/channel.rs:96:22 [INFO] [stdout] | [INFO] [stdout] 96 | Some(mut channel)=>{ [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `Command { std: "docker" "inspect" "6d38f511e532dbe476820b01b6acca2e683afdad86ab99429b782a5a434a19fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d38f511e532dbe476820b01b6acca2e683afdad86ab99429b782a5a434a19fa", kill_on_drop: false }` [INFO] [stdout] 6d38f511e532dbe476820b01b6acca2e683afdad86ab99429b782a5a434a19fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 093e662a075636c5185c97fe2ad8cb33fa7d0ce51a97a9a8f4de183f616c27dd [INFO] running `Command { std: "docker" "start" "-a" "093e662a075636c5185c97fe2ad8cb33fa7d0ce51a97a9a8f4de183f616c27dd", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/client/channel.rs:96:22 [INFO] [stderr] | [INFO] [stderr] 96 | Some(mut channel)=>{ [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `postoffice` (lib) generated 1 warning (run `cargo fix --lib -p postoffice` to apply 1 suggestion) [INFO] [stderr] warning: `postoffice` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: function `close_collector` is never used [INFO] [stderr] --> src/main.rs:34:4 [INFO] [stderr] | [INFO] [stderr] 34 | fn close_collector(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `writer_thread` is never used [INFO] [stderr] --> src/main.rs:50:4 [INFO] [stderr] | [INFO] [stderr] 50 | fn writer_thread(start_from:i32){ [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `base_dir` is never read [INFO] [stderr] --> src/collector/collection.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Collection { [INFO] [stderr] | ---------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 9 | pub base_dir:String, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Collection` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `postoffice` (bin "postoffice" test) generated 3 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/postoffice-4d6ab4a00fc49d1c) [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/postoffice-c118395e62236b75) [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] [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] [stderr] Doc-tests postoffice [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" "093e662a075636c5185c97fe2ad8cb33fa7d0ce51a97a9a8f4de183f616c27dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "093e662a075636c5185c97fe2ad8cb33fa7d0ce51a97a9a8f4de183f616c27dd", kill_on_drop: false }` [INFO] [stdout] 093e662a075636c5185c97fe2ad8cb33fa7d0ce51a97a9a8f4de183f616c27dd