[INFO] cloning repository https://github.com/derekmorr/rust-rc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/derekmorr/rust-rc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekmorr%2Frust-rc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekmorr%2Frust-rc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 746e1be1e4c7a2c47a43fcc33d6c738f3b4ec165
[INFO] checking derekmorr/rust-rc against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekmorr%2Frust-rc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/derekmorr/rust-rc on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/derekmorr/rust-rc
[INFO] finished tweaking git repo https://github.com/derekmorr/rust-rc
[INFO] tweaked toml for git repo https://github.com/derekmorr/rust-rc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/derekmorr/rust-rc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 7d5f0c55d336987ae986dc664c927f4b8d033c52270689325c559702b293bf10
[INFO] running `Command { std: "docker" "start" "-a" "7d5f0c55d336987ae986dc664c927f4b8d033c52270689325c559702b293bf10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d5f0c55d336987ae986dc664c927f4b8d033c52270689325c559702b293bf10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5f0c55d336987ae986dc664c927f4b8d033c52270689325c559702b293bf10", kill_on_drop: false }`
[INFO] [stdout] 7d5f0c55d336987ae986dc664c927f4b8d033c52270689325c559702b293bf10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTUP_TOOLCHAIN=3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b32de55f77413da7fb834167d099a490488d54dde703f3542ff63da0df94eae
[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" "4b32de55f77413da7fb834167d099a490488d54dde703f3542ff63da0df94eae", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling bv v0.7.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking bytecount v0.3.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking itertools-num v0.1.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bio v0.21.0
[INFO] [stderr]     Checking rust-rc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.02s
[INFO] running `Command { std: "docker" "inspect" "4b32de55f77413da7fb834167d099a490488d54dde703f3542ff63da0df94eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b32de55f77413da7fb834167d099a490488d54dde703f3542ff63da0df94eae", kill_on_drop: false }`
[INFO] [stdout] 4b32de55f77413da7fb834167d099a490488d54dde703f3542ff63da0df94eae