[INFO] cloning repository https://github.com/thallada/ferret
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thallada/ferret" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthallada%2Fferret", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthallada%2Fferret'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e3cbe2972cf55d07b546e9bdb67c5e49eaf4ea7
[INFO] checking thallada/ferret against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthallada%2Fferret" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thallada/ferret on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thallada/ferret
[INFO] finished tweaking git repo https://github.com/thallada/ferret
[INFO] tweaked toml for git repo https://github.com/thallada/ferret written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/thallada/ferret already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arc-swap v0.3.4
[INFO] [stderr]   Downloaded enumset v0.3.14
[INFO] [stderr]   Downloaded selectors v0.20.0
[INFO] [stderr]   Downloaded array-macro v1.0.2
[INFO] [stderr]   Downloaded html2text v0.1.8
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] [stderr]   Downloaded signal-hook v0.1.5
[INFO] [stderr]   Downloaded enum-map-derive v0.4.0
[INFO] [stderr]   Downloaded reexport-proc-macro v1.0.5
[INFO] [stderr]   Downloaded string_cache v0.3.0
[INFO] [stderr]   Downloaded ego-tree v0.5.0
[INFO] [stderr]   Downloaded enum-map v0.4.1
[INFO] [stderr]   Downloaded markup5ever v0.7.3
[INFO] [stderr]   Downloaded enumset_derive v0.2.0
[INFO] [stderr]   Downloaded html5ever-atoms v0.1.3
[INFO] [stderr]   Downloaded html5ever v0.9.0
[INFO] [stderr]   Downloaded reqwest v0.9.4
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.0
[INFO] [stderr]   Downloaded cssparser v0.24.1
[INFO] [stderr]   Downloaded cursive v0.9.2
[INFO] [stderr]   Downloaded scraper v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04e08b154f550d60052409e84a31e36dcdc2880f982d981a2d6460cd9703535b
[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" "04e08b154f550d60052409e84a31e36dcdc2880f982d981a2d6460cd9703535b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04e08b154f550d60052409e84a31e36dcdc2880f982d981a2d6460cd9703535b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e08b154f550d60052409e84a31e36dcdc2880f982d981a2d6460cd9703535b", kill_on_drop: false }`
[INFO] [stdout] 04e08b154f550d60052409e84a31e36dcdc2880f982d981a2d6460cd9703535b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eceeb1aa7c45c4b19b5833add34284d09993f7d2d586058666c41c0ebb72a2d8
[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" "eceeb1aa7c45c4b19b5833add34284d09993f7d2d586058666c41c0ebb72a2d8", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "eceeb1aa7c45c4b19b5833add34284d09993f7d2d586058666c41c0ebb72a2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eceeb1aa7c45c4b19b5833add34284d09993f7d2d586058666c41c0ebb72a2d8", kill_on_drop: false }`
[INFO] [stdout] eceeb1aa7c45c4b19b5833add34284d09993f7d2d586058666c41c0ebb72a2d8