[INFO] fetching crate ctor 0.1.16...
[INFO] checking ctor-0.1.16 against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] extracting crate ctor 0.1.16 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ctor 0.1.16 on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ctor 0.1.16
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ctor 0.1.16
[INFO] tweaked toml for crates.io crate ctor 0.1.16 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ctor 0.1.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48aeda6862123740e6f2b87c5961735e22353c11dce2b1ad3af238cf8d5dc2dc
[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" "48aeda6862123740e6f2b87c5961735e22353c11dce2b1ad3af238cf8d5dc2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48aeda6862123740e6f2b87c5961735e22353c11dce2b1ad3af238cf8d5dc2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48aeda6862123740e6f2b87c5961735e22353c11dce2b1ad3af238cf8d5dc2dc", kill_on_drop: false }`
[INFO] [stdout] 48aeda6862123740e6f2b87c5961735e22353c11dce2b1ad3af238cf8d5dc2dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47d53b5237be644fc87ac4eeb0e3e61565a352e1bc6cc53512ff762eec893658
[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" "47d53b5237be644fc87ac4eeb0e3e61565a352e1bc6cc53512ff762eec893658", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking libc-print v0.1.14
[INFO] [stderr]     Checking ctor v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.40s
[INFO] running `Command { std: "docker" "inspect" "47d53b5237be644fc87ac4eeb0e3e61565a352e1bc6cc53512ff762eec893658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d53b5237be644fc87ac4eeb0e3e61565a352e1bc6cc53512ff762eec893658", kill_on_drop: false }`
[INFO] [stdout] 47d53b5237be644fc87ac4eeb0e3e61565a352e1bc6cc53512ff762eec893658