[INFO] cloning repository https://github.com/mknet/rust-mockall-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mknet/rust-mockall-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmknet%2Frust-mockall-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmknet%2Frust-mockall-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb88d9da5bf6b0fc293c06565fbe1c7891992071
[INFO] checking mknet/rust-mockall-playground against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmknet%2Frust-mockall-playground" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mknet/rust-mockall-playground on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mknet/rust-mockall-playground
[INFO] finished tweaking git repo https://github.com/mknet/rust-mockall-playground
[INFO] tweaked toml for git repo https://github.com/mknet/rust-mockall-playground written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mknet/rust-mockall-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded float-cmp v0.6.0
[INFO] [stderr]   Downloaded mockall_derive v0.7.1
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded mockall v0.7.1
[INFO] [stderr]   Downloaded fragile v1.0.0
[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded predicates v1.0.4
[INFO] [stderr]   Downloaded predicates-core v1.0.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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] 0aa528bcb4846c6a886944a95bf514c53ec795907f85395dcd4ceeb40b17b99d
[INFO] running `Command { std: "docker" "start" "-a" "0aa528bcb4846c6a886944a95bf514c53ec795907f85395dcd4ceeb40b17b99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0aa528bcb4846c6a886944a95bf514c53ec795907f85395dcd4ceeb40b17b99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa528bcb4846c6a886944a95bf514c53ec795907f85395dcd4ceeb40b17b99d", kill_on_drop: false }`
[INFO] [stdout] 0aa528bcb4846c6a886944a95bf514c53ec795907f85395dcd4ceeb40b17b99d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 5a5cbddd0f5021ea2852402998df9fb333ea89fcf1236b97006f1fc142771c99
[INFO] running `Command { std: "docker" "start" "-a" "5a5cbddd0f5021ea2852402998df9fb333ea89fcf1236b97006f1fc142771c99", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]    Compiling mockall_derive v0.7.1
[INFO] [stderr]     Checking mockall v0.7.1
[INFO] [stderr]     Checking mockall-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.10s
[INFO] running `Command { std: "docker" "inspect" "5a5cbddd0f5021ea2852402998df9fb333ea89fcf1236b97006f1fc142771c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5cbddd0f5021ea2852402998df9fb333ea89fcf1236b97006f1fc142771c99", kill_on_drop: false }`
[INFO] [stdout] 5a5cbddd0f5021ea2852402998df9fb333ea89fcf1236b97006f1fc142771c99