[INFO] fetching crate async-scoped 0.4.1...
[INFO] checking async-scoped-0.4.1 against try#5d9095c550fcec9e458ce8d6b0c04a217641db66 for pr-77153
[INFO] extracting crate async-scoped 0.4.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate async-scoped 0.4.1 on toolchain 5d9095c550fcec9e458ce8d6b0c04a217641db66
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-scoped 0.4.1
[INFO] finished tweaking crates.io crate async-scoped 0.4.1
[INFO] tweaked toml for crates.io crate async-scoped 0.4.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43c1c2990cb3e54753f576d2060e24d47245f939b7b9fe879bc9770e2b36cbd4
[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" "43c1c2990cb3e54753f576d2060e24d47245f939b7b9fe879bc9770e2b36cbd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43c1c2990cb3e54753f576d2060e24d47245f939b7b9fe879bc9770e2b36cbd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c1c2990cb3e54753f576d2060e24d47245f939b7b9fe879bc9770e2b36cbd4", kill_on_drop: false }`
[INFO] [stdout] 43c1c2990cb3e54753f576d2060e24d47245f939b7b9fe879bc9770e2b36cbd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "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] 1a1af7a13e540c09d4f40b4abe886913ed76860a5a67d75d396f22f66587c964
[INFO] running `Command { std: "docker" "start" "-a" "1a1af7a13e540c09d4f40b4abe886913ed76860a5a67d75d396f22f66587c964", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]     Checking futures-lite v1.8.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking nb-connect v1.0.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking async-io v1.1.3
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking async-global-executor v1.2.1
[INFO] [stderr]     Checking async-std v1.6.4
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]    Compiling async-log-attributes v1.0.1
[INFO] [stderr]     Checking async-scoped v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking async-log v1.1.0
[INFO] [stderr]     Checking femme v1.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.71s
[INFO] running `Command { std: "docker" "inspect" "1a1af7a13e540c09d4f40b4abe886913ed76860a5a67d75d396f22f66587c964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1af7a13e540c09d4f40b4abe886913ed76860a5a67d75d396f22f66587c964", kill_on_drop: false }`
[INFO] [stdout] 1a1af7a13e540c09d4f40b4abe886913ed76860a5a67d75d396f22f66587c964