[INFO] fetching crate carapace 0.2.0...
[INFO] checking carapace-0.2.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate carapace 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate carapace 0.2.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate carapace 0.2.0
[INFO] finished tweaking crates.io crate carapace 0.2.0
[INFO] tweaked toml for crates.io crate carapace 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate carapace 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seccomp-sys v0.1.3
[INFO] [stderr]   Downloaded aligned-utils v1.0.2
[INFO] [stderr]   Downloaded path-dedot v3.0.8
[INFO] [stderr]   Downloaded path-absolutize v3.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5eafcd40a3693b5b29e14895689a814015b4bd00c504ebec2884fc4959d90e2
[INFO] running `Command { std: "docker" "start" "-a" "e5eafcd40a3693b5b29e14895689a814015b4bd00c504ebec2884fc4959d90e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5eafcd40a3693b5b29e14895689a814015b4bd00c504ebec2884fc4959d90e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5eafcd40a3693b5b29e14895689a814015b4bd00c504ebec2884fc4959d90e2", kill_on_drop: false }`
[INFO] [stdout] e5eafcd40a3693b5b29e14895689a814015b4bd00c504ebec2884fc4959d90e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8a898e73c5e054cee099bf67ae4d9a35826fa5eeaa41832fac98d259f23388bb
[INFO] running `Command { std: "docker" "start" "-a" "8a898e73c5e054cee099bf67ae4d9a35826fa5eeaa41832fac98d259f23388bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling seccomp-sys v0.1.3
[INFO] [stderr]     Checking aligned-utils v1.0.2
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]     Checking path-dedot v3.0.8
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking path-absolutize v3.0.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking rlimit v0.5.4
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.4
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.14
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.16
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking carapace v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.23s
[INFO] running `Command { std: "docker" "inspect" "8a898e73c5e054cee099bf67ae4d9a35826fa5eeaa41832fac98d259f23388bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a898e73c5e054cee099bf67ae4d9a35826fa5eeaa41832fac98d259f23388bb", kill_on_drop: false }`
[INFO] [stdout] 8a898e73c5e054cee099bf67ae4d9a35826fa5eeaa41832fac98d259f23388bb