[INFO] cloning repository https://github.com/Cerberuser/object-safe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cerberuser/object-safe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerberuser%2Fobject-safe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerberuser%2Fobject-safe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3dca7620169dd0ab2c524370d90a927afc3b8afa
[INFO] checking Cerberuser/object-safe against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerberuser%2Fobject-safe" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cerberuser/object-safe on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cerberuser/object-safe
[INFO] finished tweaking git repo https://github.com/Cerberuser/object-safe
[INFO] tweaked toml for git repo https://github.com/Cerberuser/object-safe written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Cerberuser/object-safe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] 3c778bfb9c55e6737d51fc0301583a69fc3a8cfadf244d6b35fac5f90749afb0
[INFO] running `Command { std: "docker" "start" "-a" "3c778bfb9c55e6737d51fc0301583a69fc3a8cfadf244d6b35fac5f90749afb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c778bfb9c55e6737d51fc0301583a69fc3a8cfadf244d6b35fac5f90749afb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c778bfb9c55e6737d51fc0301583a69fc3a8cfadf244d6b35fac5f90749afb0", kill_on_drop: false }`
[INFO] [stdout] 3c778bfb9c55e6737d51fc0301583a69fc3a8cfadf244d6b35fac5f90749afb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7f53cb28ba8e829bc72ba440f5bbe1d8b68bf2e7e8eeee3061ab48ff93ecdf9
[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" "d7f53cb28ba8e829bc72ba440f5bbe1d8b68bf2e7e8eeee3061ab48ff93ecdf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]     Checking proc-macro2 v1.0.1
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking darling_core v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling darling_macro v0.10.0
[INFO] [stderr]     Checking darling v0.10.0
[INFO] [stderr]    Compiling object-safe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking trybuild v1.0.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.58s
[INFO] running `Command { std: "docker" "inspect" "d7f53cb28ba8e829bc72ba440f5bbe1d8b68bf2e7e8eeee3061ab48ff93ecdf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f53cb28ba8e829bc72ba440f5bbe1d8b68bf2e7e8eeee3061ab48ff93ecdf9", kill_on_drop: false }`
[INFO] [stdout] d7f53cb28ba8e829bc72ba440f5bbe1d8b68bf2e7e8eeee3061ab48ff93ecdf9