[INFO] crate xtra 0.5.0-beta.3 is already in cache
[INFO] checking xtra-0.5.0-beta.3 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate xtra 0.5.0-beta.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate xtra 0.5.0-beta.3 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xtra 0.5.0-beta.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate xtra 0.5.0-beta.3
[INFO] tweaked toml for crates.io crate xtra 0.5.0-beta.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate xtra 0.5.0-beta.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e27c78bb1fad65f6ede07f4dd01d95dbd06877ae6a8154a0522581f0559c5668
[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" "e27c78bb1fad65f6ede07f4dd01d95dbd06877ae6a8154a0522581f0559c5668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e27c78bb1fad65f6ede07f4dd01d95dbd06877ae6a8154a0522581f0559c5668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27c78bb1fad65f6ede07f4dd01d95dbd06877ae6a8154a0522581f0559c5668", kill_on_drop: false }`
[INFO] [stdout] e27c78bb1fad65f6ede07f4dd01d95dbd06877ae6a8154a0522581f0559c5668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e78c915841357a7d7f468857777426d58287913d2812422820c9d59c57b6096
[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" "8e78c915841357a7d7f468857777426d58287913d2812422820c9d59c57b6096", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling smol-potat-derive v0.1.0
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking blocking v0.4.6
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking xtra v0.5.0-beta.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking smol-potat v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.65s
[INFO] running `Command { std: "docker" "inspect" "8e78c915841357a7d7f468857777426d58287913d2812422820c9d59c57b6096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e78c915841357a7d7f468857777426d58287913d2812422820c9d59c57b6096", kill_on_drop: false }`
[INFO] [stdout] 8e78c915841357a7d7f468857777426d58287913d2812422820c9d59c57b6096