[INFO] fetching crate cymrust 0.4.1...
[INFO] checking cymrust-0.4.1 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate cymrust 0.4.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cymrust 0.4.1 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cymrust 0.4.1
[INFO] finished tweaking crates.io crate cymrust 0.4.1
[INFO] tweaked toml for crates.io crate cymrust 0.4.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate cymrust 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0f861501f144435ea27cb4ac351491a3acad23ebcc594d2995952a5e3c34111
[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" "e0f861501f144435ea27cb4ac351491a3acad23ebcc594d2995952a5e3c34111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0f861501f144435ea27cb4ac351491a3acad23ebcc594d2995952a5e3c34111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f861501f144435ea27cb4ac351491a3acad23ebcc594d2995952a5e3c34111", kill_on_drop: false }`
[INFO] [stdout] e0f861501f144435ea27cb4ac351491a3acad23ebcc594d2995952a5e3c34111
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0116e5d49f01032a04ece98dfa389df5c8cb1dce859b26be94ff5f550ce2f7f8
[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" "0116e5d49f01032a04ece98dfa389df5c8cb1dce859b26be94ff5f550ce2f7f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking trust-dns-proto v0.20.0
[INFO] [stderr]     Checking trust-dns-resolver v0.20.0
[INFO] [stderr]     Checking cymrust v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.43s
[INFO] running `Command { std: "docker" "inspect" "0116e5d49f01032a04ece98dfa389df5c8cb1dce859b26be94ff5f550ce2f7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0116e5d49f01032a04ece98dfa389df5c8cb1dce859b26be94ff5f550ce2f7f8", kill_on_drop: false }`
[INFO] [stdout] 0116e5d49f01032a04ece98dfa389df5c8cb1dce859b26be94ff5f550ce2f7f8