[INFO] fetching crate async-scoped 0.6.1...
[INFO] checking async-scoped-0.6.1 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate async-scoped 0.6.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate async-scoped 0.6.1 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-scoped 0.6.1
[INFO] finished tweaking crates.io crate async-scoped 0.6.1
[INFO] tweaked toml for crates.io crate async-scoped 0.6.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6339599c3bbc1e858685172b3a52e006517bfaef44abb486863b9e7e3d17b1f3
[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" "6339599c3bbc1e858685172b3a52e006517bfaef44abb486863b9e7e3d17b1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6339599c3bbc1e858685172b3a52e006517bfaef44abb486863b9e7e3d17b1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6339599c3bbc1e858685172b3a52e006517bfaef44abb486863b9e7e3d17b1f3", kill_on_drop: false }`
[INFO] [stdout] 6339599c3bbc1e858685172b3a52e006517bfaef44abb486863b9e7e3d17b1f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a141e3a172fa96f4ba502e792039eb506e7f2784b0dc75d3ee9283559b1574d0
[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" "a141e3a172fa96f4ba502e792039eb506e7f2784b0dc75d3ee9283559b1574d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking vec-arena v1.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking backtrace v0.3.57
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]    Compiling async-log-attributes v1.0.1
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-log v1.1.0
[INFO] [stderr]     Checking async-io v1.4.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking async-scoped v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking femme v1.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.23s
[INFO] running `Command { std: "docker" "inspect" "a141e3a172fa96f4ba502e792039eb506e7f2784b0dc75d3ee9283559b1574d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a141e3a172fa96f4ba502e792039eb506e7f2784b0dc75d3ee9283559b1574d0", kill_on_drop: false }`
[INFO] [stdout] a141e3a172fa96f4ba502e792039eb506e7f2784b0dc75d3ee9283559b1574d0