[INFO] cloning repository https://github.com/rdavidson1994/puzzle-abbrev
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rdavidson1994/puzzle-abbrev" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdavidson1994%2Fpuzzle-abbrev", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdavidson1994%2Fpuzzle-abbrev'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c8085ac9ec6a3e4866b3044d23b2c41c0bb4e8e
[INFO] checking rdavidson1994/puzzle-abbrev against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdavidson1994%2Fpuzzle-abbrev" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rdavidson1994/puzzle-abbrev on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rdavidson1994/puzzle-abbrev
[INFO] finished tweaking git repo https://github.com/rdavidson1994/puzzle-abbrev
[INFO] tweaked toml for git repo https://github.com/rdavidson1994/puzzle-abbrev written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rdavidson1994/puzzle-abbrev already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codepage-437 v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "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] b849703d084ec8b9bb221d52e34f2e2fc05c897da1c61bb3600751ba8e5d5ab1
[INFO] running `Command { std: "docker" "start" "-a" "b849703d084ec8b9bb221d52e34f2e2fc05c897da1c61bb3600751ba8e5d5ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b849703d084ec8b9bb221d52e34f2e2fc05c897da1c61bb3600751ba8e5d5ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b849703d084ec8b9bb221d52e34f2e2fc05c897da1c61bb3600751ba8e5d5ab1", kill_on_drop: false }`
[INFO] [stdout] b849703d084ec8b9bb221d52e34f2e2fc05c897da1c61bb3600751ba8e5d5ab1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7bbc937645c1d4d490d5c2f19add14b734c86b4bf6492543b4b0f924f4cca72
[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" "d7bbc937645c1d4d490d5c2f19add14b734c86b4bf6492543b4b0f924f4cca72", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling codepage-437 v0.1.0
[INFO] [stderr]     Checking abbrev v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.37s
[INFO] running `Command { std: "docker" "inspect" "d7bbc937645c1d4d490d5c2f19add14b734c86b4bf6492543b4b0f924f4cca72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7bbc937645c1d4d490d5c2f19add14b734c86b4bf6492543b4b0f924f4cca72", kill_on_drop: false }`
[INFO] [stdout] d7bbc937645c1d4d490d5c2f19add14b734c86b4bf6492543b4b0f924f4cca72