[INFO] cloning repository https://github.com/myfreeweb/dcml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/myfreeweb/dcml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyfreeweb%2Fdcml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyfreeweb%2Fdcml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b5fda1fd6b741de053f2e5e3c07b22639b56acf
[INFO] checking myfreeweb/dcml against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyfreeweb%2Fdcml" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/myfreeweb/dcml on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/myfreeweb/dcml
[INFO] finished tweaking git repo https://github.com/myfreeweb/dcml
[INFO] tweaked toml for git repo https://github.com/myfreeweb/dcml written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/myfreeweb/dcml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d4ba724058b9a0f21841518cfc4f2b1f6633e5203fa7ec688ad0bca419ed809
[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" "0d4ba724058b9a0f21841518cfc4f2b1f6633e5203fa7ec688ad0bca419ed809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d4ba724058b9a0f21841518cfc4f2b1f6633e5203fa7ec688ad0bca419ed809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4ba724058b9a0f21841518cfc4f2b1f6633e5203fa7ec688ad0bca419ed809", kill_on_drop: false }`
[INFO] [stdout] 0d4ba724058b9a0f21841518cfc4f2b1f6633e5203fa7ec688ad0bca419ed809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fea067595356c8589f81a9f4532797805e2daebc60f29c8a72bc35526e5296b9
[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" "fea067595356c8589f81a9f4532797805e2daebc60f29c8a72bc35526e5296b9", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking serde v1.0.9
[INFO] [stderr]     Checking im v4.1.0
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking combine v2.3.2
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking num-complex v0.1.38
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]    Compiling serde_derive v1.0.9
[INFO] [stderr]     Checking num-bigint v0.1.39
[INFO] [stderr]     Checking combine-language v2.0.0
[INFO] [stderr]     Checking num-rational v0.1.38
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]     Checking dcml v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.71s
[INFO] running `Command { std: "docker" "inspect" "fea067595356c8589f81a9f4532797805e2daebc60f29c8a72bc35526e5296b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea067595356c8589f81a9f4532797805e2daebc60f29c8a72bc35526e5296b9", kill_on_drop: false }`
[INFO] [stdout] fea067595356c8589f81a9f4532797805e2daebc60f29c8a72bc35526e5296b9