[INFO] fetching crate ectoplasm 0.1.0...
[INFO] checking ectoplasm-0.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate ectoplasm 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ectoplasm 0.1.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ectoplasm 0.1.0
[INFO] finished tweaking crates.io crate ectoplasm 0.1.0
[INFO] tweaked toml for crates.io crate ectoplasm 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ectoplasm 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", 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] b2b5d6835bf00be1e8376107c8c776df12ec019e6b8b85ca11a79af37d4f7c89
[INFO] running `Command { std: "docker" "start" "-a" "b2b5d6835bf00be1e8376107c8c776df12ec019e6b8b85ca11a79af37d4f7c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2b5d6835bf00be1e8376107c8c776df12ec019e6b8b85ca11a79af37d4f7c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b5d6835bf00be1e8376107c8c776df12ec019e6b8b85ca11a79af37d4f7c89", kill_on_drop: false }`
[INFO] [stdout] b2b5d6835bf00be1e8376107c8c776df12ec019e6b8b85ca11a79af37d4f7c89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e702d6ca670fba72d4c3fc910bd8b6ad0e9d8507db9a7af95cc0e3f6fe13ce7e
[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" "e702d6ca670fba72d4c3fc910bd8b6ad0e9d8507db9a7af95cc0e3f6fe13ce7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling unifont v0.1.0
[INFO] [stderr]     Checking triggered v0.1.1
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking sha-1 v0.9.3
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking ectoplasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.47s
[INFO] running `Command { std: "docker" "inspect" "e702d6ca670fba72d4c3fc910bd8b6ad0e9d8507db9a7af95cc0e3f6fe13ce7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e702d6ca670fba72d4c3fc910bd8b6ad0e9d8507db9a7af95cc0e3f6fe13ce7e", kill_on_drop: false }`
[INFO] [stdout] e702d6ca670fba72d4c3fc910bd8b6ad0e9d8507db9a7af95cc0e3f6fe13ce7e