[INFO] fetching crate larc 0.5.0...
[INFO] checking larc-0.5.0 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate larc 0.5.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate larc 0.5.0
[INFO] finished tweaking crates.io crate larc 0.5.0
[INFO] tweaked toml for crates.io crate larc 0.5.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate larc 0.5.0 on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 945b7f211bb3b5d1b9095dd36e438e201cfc672b5d763d6b00860808ffd61163
[INFO] running `Command { std: "docker" "start" "-a" "945b7f211bb3b5d1b9095dd36e438e201cfc672b5d763d6b00860808ffd61163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "945b7f211bb3b5d1b9095dd36e438e201cfc672b5d763d6b00860808ffd61163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945b7f211bb3b5d1b9095dd36e438e201cfc672b5d763d6b00860808ffd61163", kill_on_drop: false }`
[INFO] [stdout] 945b7f211bb3b5d1b9095dd36e438e201cfc672b5d763d6b00860808ffd61163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77a0a8867eb7df52e0879901eeb4de29b800836820b9b386bce315898f51b7fd
[INFO] running `Command { std: "docker" "start" "-a" "77a0a8867eb7df52e0879901eeb4de29b800836820b9b386bce315898f51b7fd", kill_on_drop: false }`
[INFO] [stderr]     Checking larc v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:431:26
[INFO] [stdout]     |
[INFO] [stdout] 431 |     pub fn upgrade(this: &Self) -> Option<LArc<T>> {
[INFO] [stdout]     |                          ^^^^^            ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 431 |     pub fn upgrade(this: &Self) -> Option<LArc<'_, T>> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:431:26
[INFO] [stdout]     |
[INFO] [stdout] 431 |     pub fn upgrade(this: &Self) -> Option<LArc<T>> {
[INFO] [stdout]     |                          ^^^^^            ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 431 |     pub fn upgrade(this: &Self) -> Option<LArc<'_, T>> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `larc` (lib test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/fafe42c59556a4233f03dd0d900b575a9afeece8/bin/rustc --crate-name larc --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=f7b441b09aae1962 -C extra-filename=-e105a1cfd58a416b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "77a0a8867eb7df52e0879901eeb4de29b800836820b9b386bce315898f51b7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a0a8867eb7df52e0879901eeb4de29b800836820b9b386bce315898f51b7fd", kill_on_drop: false }`
[INFO] [stdout] 77a0a8867eb7df52e0879901eeb4de29b800836820b9b386bce315898f51b7fd