[INFO] fetching crate a4-core 0.0.4... [INFO] testing a4-core-0.0.4 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate a4-core 0.0.4 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate a4-core 0.0.4 [INFO] finished tweaking crates.io crate a4-core 0.0.4 [INFO] tweaked toml for crates.io crate a4-core 0.0.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate a4-core 0.0.4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 20 packages to latest compatible versions [INFO] [stderr] Adding heapless v0.7.17 (available: v0.9.1) [INFO] [stderr] Adding postcard v0.7.3 (available: v1.1.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fe2f23d101ab49cdf4fd53aeac597a5dffae0b3099d56b4a4057fbbc554aa85a [INFO] running `Command { std: "docker" "start" "-a" "fe2f23d101ab49cdf4fd53aeac597a5dffae0b3099d56b4a4057fbbc554aa85a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe2f23d101ab49cdf4fd53aeac597a5dffae0b3099d56b4a4057fbbc554aa85a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe2f23d101ab49cdf4fd53aeac597a5dffae0b3099d56b4a4057fbbc554aa85a", kill_on_drop: false }` [INFO] [stdout] fe2f23d101ab49cdf4fd53aeac597a5dffae0b3099d56b4a4057fbbc554aa85a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a52f9f475d643a2f5e611878a59d69c6c2706b44737caeead9c497040da456c7 [INFO] running `Command { std: "docker" "start" "-a" "a52f9f475d643a2f5e611878a59d69c6c2706b44737caeead9c497040da456c7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling semver v1.0.27 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling postcard-cobs v0.1.5-pre [INFO] [stderr] Compiling hash32 v0.2.1 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling postcard v0.7.3 [INFO] [stderr] Compiling a4-core v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `err` is never read [INFO] [stdout] --> src/nostd_rt.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct HVecStack { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 16 | data: Vec, [INFO] [stdout] 17 | err: Error, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.32s [INFO] running `Command { std: "docker" "inspect" "a52f9f475d643a2f5e611878a59d69c6c2706b44737caeead9c497040da456c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a52f9f475d643a2f5e611878a59d69c6c2706b44737caeead9c497040da456c7", kill_on_drop: false }` [INFO] [stdout] a52f9f475d643a2f5e611878a59d69c6c2706b44737caeead9c497040da456c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c0db7213f7a915e7beb963f2d187f53a4eb4cf64770eea702fb09531bc63c74 [INFO] running `Command { std: "docker" "start" "-a" "7c0db7213f7a915e7beb963f2d187f53a4eb4cf64770eea702fb09531bc63c74", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Compiling postcard v0.7.3 [INFO] [stderr] Compiling a4-core v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `err` is never read [INFO] [stdout] --> src/nostd_rt.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct HVecStack { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 16 | data: Vec, [INFO] [stdout] 17 | err: Error, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `err` is never read [INFO] [stdout] --> src/std_rt.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct StdVecStack { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 12 | data: Vec, [INFO] [stdout] 13 | err: Error, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StdVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `contents` is never read [INFO] [stdout] --> src/compiler.rs:248:9 [INFO] [stdout] | [INFO] [stdout] 247 | Comment { [INFO] [stdout] | ------- field in this variant [INFO] [stdout] 248 | contents: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Chunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `err` is never read [INFO] [stdout] --> src/nostd_rt.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct HVecStack { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 16 | data: Vec, [INFO] [stdout] 17 | err: Error, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.85s [INFO] running `Command { std: "docker" "inspect" "7c0db7213f7a915e7beb963f2d187f53a4eb4cf64770eea702fb09531bc63c74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c0db7213f7a915e7beb963f2d187f53a4eb4cf64770eea702fb09531bc63c74", kill_on_drop: false }` [INFO] [stdout] 7c0db7213f7a915e7beb963f2d187f53a4eb4cf64770eea702fb09531bc63c74 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6926bf1f5fb379e2ae676429e0bdd9aeaf12cab817208fde3c7cac70cd04e771 [INFO] running `Command { std: "docker" "start" "-a" "6926bf1f5fb379e2ae676429e0bdd9aeaf12cab817208fde3c7cac70cd04e771", kill_on_drop: false }` [INFO] [stderr] warning: field `err` is never read [INFO] [stderr] --> src/nostd_rt.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 15 | pub struct HVecStack { [INFO] [stderr] | --------- field in this struct [INFO] [stderr] 16 | data: Vec, [INFO] [stderr] 17 | err: Error, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `HVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `err` is never read [INFO] [stderr] --> src/std_rt.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct StdVecStack { [INFO] [stderr] | ----------- field in this struct [INFO] [stderr] 12 | data: Vec, [INFO] [stderr] 13 | err: Error, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `StdVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `contents` is never read [INFO] [stderr] --> src/compiler.rs:248:9 [INFO] [stderr] | [INFO] [stderr] 247 | Comment { [INFO] [stderr] | ------- field in this variant [INFO] [stderr] 248 | contents: Vec, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Chunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: field `err` is never read [INFO] [stderr] --> src/nostd_rt.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 15 | pub struct HVecStack { [INFO] [stdout] [INFO] [stderr] | --------- field in this struct [INFO] [stdout] running 3 tests [INFO] [stderr] 16 | data: Vec, [INFO] [stdout] test nostd_test::foo ... ok [INFO] [stderr] 17 | err: Error, [INFO] [stdout] test std_test::foo ... ok [INFO] [stderr] | ^^^ [INFO] [stdout] test ser_de::test::roundtrip ... ok [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `HVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: `a4-core` (lib) generated 1 warning [INFO] [stderr] warning: `a4-core` (lib test) generated 3 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/a4_core-f9501d9dedf63184) [INFO] [stderr] Doc-tests a4_core [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" "6926bf1f5fb379e2ae676429e0bdd9aeaf12cab817208fde3c7cac70cd04e771", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6926bf1f5fb379e2ae676429e0bdd9aeaf12cab817208fde3c7cac70cd04e771", kill_on_drop: false }` [INFO] [stdout] 6926bf1f5fb379e2ae676429e0bdd9aeaf12cab817208fde3c7cac70cd04e771