[INFO] cloning repository https://github.com/reirep/fractal_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reirep/fractal_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freirep%2Ffractal_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freirep%2Ffractal_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed74a7a882a33654794d63164ee9f664497a58f6
[INFO] checking reirep/fractal_rust against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freirep%2Ffractal_rust" "/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/reirep/fractal_rust on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reirep/fractal_rust
[INFO] finished tweaking git repo https://github.com/reirep/fractal_rust
[INFO] tweaked toml for git repo https://github.com/reirep/fractal_rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/reirep/fractal_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-id v3.3.0
[INFO] [stderr]   Downloaded parking_lot v0.3.8
[INFO] [stderr]   Downloaded multiqueue v0.3.2
[INFO] [stderr]   Downloaded smallvec v0.3.3
[INFO] [stderr]   Downloaded bmp v0.4.0
[INFO] [stderr]   Downloaded owning_ref v0.2.4
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e9aa8d3af9028f20a3fe1ff72398d91c830a29ea45b45d29f11bc40d54b1bf5
[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" "0e9aa8d3af9028f20a3fe1ff72398d91c830a29ea45b45d29f11bc40d54b1bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e9aa8d3af9028f20a3fe1ff72398d91c830a29ea45b45d29f11bc40d54b1bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e9aa8d3af9028f20a3fe1ff72398d91c830a29ea45b45d29f11bc40d54b1bf5", kill_on_drop: false }`
[INFO] [stdout] 0e9aa8d3af9028f20a3fe1ff72398d91c830a29ea45b45d29f11bc40d54b1bf5
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b805e6171f4d6a8a3f55cbecd5c6d6b79d5cd2d10cb5a37780d4519bd5ed98
[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" "f8b805e6171f4d6a8a3f55cbecd5c6d6b79d5cd2d10cb5a37780d4519bd5ed98", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking smallvec v0.3.3
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking bmp v0.4.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.3.8
[INFO] [stderr]     Checking multiqueue v0.3.2
[INFO] [stderr]     Checking fractal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.02s
[INFO] running `Command { std: "docker" "inspect" "f8b805e6171f4d6a8a3f55cbecd5c6d6b79d5cd2d10cb5a37780d4519bd5ed98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b805e6171f4d6a8a3f55cbecd5c6d6b79d5cd2d10cb5a37780d4519bd5ed98", kill_on_drop: false }`
[INFO] [stdout] f8b805e6171f4d6a8a3f55cbecd5c6d6b79d5cd2d10cb5a37780d4519bd5ed98