[INFO] fetching crate concurrent-round-robin 0.1.0... [INFO] testing concurrent-round-robin-0.1.0 against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628 [INFO] extracting crate concurrent-round-robin 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate concurrent-round-robin 0.1.0 [INFO] finished tweaking crates.io crate concurrent-round-robin 0.1.0 [INFO] tweaked toml for crates.io crate concurrent-round-robin 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate concurrent-round-robin 0.1.0 on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 49 packages to latest compatible versions [INFO] [stderr] Adding dashmap v5.5.3 (available: v6.1.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 48fd12d3d696a518eab43a53de847f87e4dae9a027b667746df7c3ab622f08aa [INFO] running `Command { std: "docker" "start" "-a" "48fd12d3d696a518eab43a53de847f87e4dae9a027b667746df7c3ab622f08aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "48fd12d3d696a518eab43a53de847f87e4dae9a027b667746df7c3ab622f08aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48fd12d3d696a518eab43a53de847f87e4dae9a027b667746df7c3ab622f08aa", kill_on_drop: false }` [INFO] [stdout] 48fd12d3d696a518eab43a53de847f87e4dae9a027b667746df7c3ab622f08aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 23a60d39bb87e96d573c1c15bca59875d4e4160caf0ff5fc5532bd49c933ae6b [INFO] running `Command { std: "docker" "start" "-a" "23a60d39bb87e96d573c1c15bca59875d4e4160caf0ff5fc5532bd49c933ae6b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling iana-time-zone v0.1.63 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling dashmap v5.5.3 [INFO] [stderr] Compiling chrono v0.4.41 [INFO] [stderr] Compiling concurrent-round-robin v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:88:19 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn select(&self) -> Option> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 88 | pub fn select(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.72s [INFO] running `Command { std: "docker" "inspect" "23a60d39bb87e96d573c1c15bca59875d4e4160caf0ff5fc5532bd49c933ae6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23a60d39bb87e96d573c1c15bca59875d4e4160caf0ff5fc5532bd49c933ae6b", kill_on_drop: false }` [INFO] [stdout] 23a60d39bb87e96d573c1c15bca59875d4e4160caf0ff5fc5532bd49c933ae6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68fd9ef7719d38d36e0692d376ff4211d2ed43081590f12a0b6e5c1dfcb798b7 [INFO] running `Command { std: "docker" "start" "-a" "68fd9ef7719d38d36e0692d376ff4211d2ed43081590f12a0b6e5c1dfcb798b7", kill_on_drop: false }` [INFO] [stderr] error: failed to download `once_cell v1.21.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] unable to get packages from source [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to unpack package `once_cell v1.21.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/once_cell-1.21.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] Read-only file system (os error 30) [INFO] running `Command { std: "docker" "inspect" "68fd9ef7719d38d36e0692d376ff4211d2ed43081590f12a0b6e5c1dfcb798b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68fd9ef7719d38d36e0692d376ff4211d2ed43081590f12a0b6e5c1dfcb798b7", kill_on_drop: false }` [INFO] [stdout] 68fd9ef7719d38d36e0692d376ff4211d2ed43081590f12a0b6e5c1dfcb798b7