[INFO] fetching crate async-i3ipc 0.3.0...
[INFO] checking async-i3ipc-0.3.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate async-i3ipc 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate async-i3ipc 0.3.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-i3ipc 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate async-i3ipc 0.3.0
[INFO] tweaked toml for crates.io crate async-i3ipc 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate async-i3ipc 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c74d03e1c840d6cee61594ef10f17a78aa3ca9f91b991f4e08cd2249ab3dd2b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c74d03e1c840d6cee61594ef10f17a78aa3ca9f91b991f4e08cd2249ab3dd2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c74d03e1c840d6cee61594ef10f17a78aa3ca9f91b991f4e08cd2249ab3dd2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c74d03e1c840d6cee61594ef10f17a78aa3ca9f91b991f4e08cd2249ab3dd2b5", kill_on_drop: false }`
[INFO] [stdout] c74d03e1c840d6cee61594ef10f17a78aa3ca9f91b991f4e08cd2249ab3dd2b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 7921a641614b85a68307374feb39afce22534baae3313c58fa6518a30697d14e
[INFO] running `Command { std: "docker" "start" "-a" "7921a641614b85a68307374feb39afce22534baae3313c58fa6518a30697d14e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking futures-lite v1.10.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking polling v2.0.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.9
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking async-std v1.8.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]     Checking i3ipc-types v0.12.0
[INFO] [stderr]     Checking async-i3ipc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.03s
[INFO] running `Command { std: "docker" "inspect" "7921a641614b85a68307374feb39afce22534baae3313c58fa6518a30697d14e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7921a641614b85a68307374feb39afce22534baae3313c58fa6518a30697d14e", kill_on_drop: false }`
[INFO] [stdout] 7921a641614b85a68307374feb39afce22534baae3313c58fa6518a30697d14e