[INFO] fetching crate rustysignal 2.0.2...
[INFO] checking rustysignal-2.0.2 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate rustysignal 2.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rustysignal 2.0.2 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 rustysignal 2.0.2
[INFO] finished tweaking crates.io crate rustysignal 2.0.2
[INFO] tweaked toml for crates.io crate rustysignal 2.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4e9516a064332ad950a062d3bb7c4cd372f1480f370584a80545856c1da9c5e5
[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" "4e9516a064332ad950a062d3bb7c4cd372f1480f370584a80545856c1da9c5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e9516a064332ad950a062d3bb7c4cd372f1480f370584a80545856c1da9c5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9516a064332ad950a062d3bb7c4cd372f1480f370584a80545856c1da9c5e5", kill_on_drop: false }`
[INFO] [stdout] 4e9516a064332ad950a062d3bb7c4cd372f1480f370584a80545856c1da9c5e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] e22d37b9c629ac2675497d4a7cc8b7a8f6d08bbaf5eb2f1486967446b9df1910
[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" "e22d37b9c629ac2675497d4a7cc8b7a8f6d08bbaf5eb2f1486967446b9df1910", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking openssl-sys v0.9.66
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking openssl v0.10.36
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking ws v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]     Checking rustysignal v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.64s
[INFO] running `Command { std: "docker" "inspect" "e22d37b9c629ac2675497d4a7cc8b7a8f6d08bbaf5eb2f1486967446b9df1910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22d37b9c629ac2675497d4a7cc8b7a8f6d08bbaf5eb2f1486967446b9df1910", kill_on_drop: false }`
[INFO] [stdout] e22d37b9c629ac2675497d4a7cc8b7a8f6d08bbaf5eb2f1486967446b9df1910