[INFO] cloning repository https://github.com/Rexagon/opg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rexagon/opg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRexagon%2Fopg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRexagon%2Fopg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2e1a02f8d963a49e1a3f79526be51a13556a573
[INFO] checking Rexagon/opg against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRexagon%2Fopg" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rexagon/opg on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rexagon/opg
[INFO] finished tweaking git repo https://github.com/Rexagon/opg
[INFO] tweaked toml for git repo https://github.com/Rexagon/opg written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c408f20516bee58e1ff5224480cc7fb7ce5188bb2d39952dd9c6cd8a142da10
[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" "8c408f20516bee58e1ff5224480cc7fb7ce5188bb2d39952dd9c6cd8a142da10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c408f20516bee58e1ff5224480cc7fb7ce5188bb2d39952dd9c6cd8a142da10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c408f20516bee58e1ff5224480cc7fb7ce5188bb2d39952dd9c6cd8a142da10", kill_on_drop: false }`
[INFO] [stdout] 8c408f20516bee58e1ff5224480cc7fb7ce5188bb2d39952dd9c6cd8a142da10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dcc5c29251ca13f1647ca93d36074359d94516102c552b2f2bc1f8e9ec68c17
[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" "8dcc5c29251ca13f1647ca93d36074359d94516102c552b2f2bc1f8e9ec68c17", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking opg_derive v0.0.32 (/opt/rustwide/workdir/opg_derive)
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_yaml v0.8.16
[INFO] [stderr]     Checking opg v0.0.32 (/opt/rustwide/workdir/opg)
[INFO] [stderr]     Checking opg_test_suite v0.0.0 (/opt/rustwide/workdir/test_suite)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.99s
[INFO] running `Command { std: "docker" "inspect" "8dcc5c29251ca13f1647ca93d36074359d94516102c552b2f2bc1f8e9ec68c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dcc5c29251ca13f1647ca93d36074359d94516102c552b2f2bc1f8e9ec68c17", kill_on_drop: false }`
[INFO] [stdout] 8dcc5c29251ca13f1647ca93d36074359d94516102c552b2f2bc1f8e9ec68c17