[INFO] fetching crate lark-build 0.1.0...
[INFO] checking lark-build-0.1.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate lark-build 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lark-build 0.1.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lark-build 0.1.0
[INFO] finished tweaking crates.io crate lark-build 0.1.0
[INFO] tweaked toml for crates.io crate lark-build 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd89c688d4ec42e8bcb2a268add587d654e8ee39964dfdabfaca34f2d51550bc
[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" "cd89c688d4ec42e8bcb2a268add587d654e8ee39964dfdabfaca34f2d51550bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd89c688d4ec42e8bcb2a268add587d654e8ee39964dfdabfaca34f2d51550bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd89c688d4ec42e8bcb2a268add587d654e8ee39964dfdabfaca34f2d51550bc", kill_on_drop: false }`
[INFO] [stdout] cd89c688d4ec42e8bcb2a268add587d654e8ee39964dfdabfaca34f2d51550bc
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8829f6d8bec70056065f1c639a88e84866d8c41e7532449d7ce82957f17d38a8
[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" "8829f6d8bec70056065f1c639a88e84866d8c41e7532449d7ce82957f17d38a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking datafrog v2.0.1
[INFO] [stderr]     Checking cc v1.0.67
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking lark-debug-with v0.1.0
[INFO] [stderr]     Checking salsa v0.9.2
[INFO] [stderr]     Checking lark-collections v0.1.0
[INFO] [stderr]     Checking lark-intern v0.1.0
[INFO] [stderr]     Checking lark-unify v0.1.0
[INFO] [stderr]     Checking lark-string v0.1.0
[INFO] [stderr]     Checking languageserver-types v0.53.1
[INFO] [stderr]     Checking lark-span v0.1.0
[INFO] [stderr]     Checking lark-actor v0.1.0
[INFO] [stderr]     Checking lark-error v0.1.0
[INFO] [stderr]     Checking lark-entity v0.1.0
[INFO] [stderr]     Checking lark-ty v0.1.0
[INFO] [stderr]     Checking lark-hir v0.1.0
[INFO] [stderr]     Checking lark-parser v0.1.0
[INFO] [stderr]     Checking lark-pretty-print v0.1.0
[INFO] [stderr]     Checking lark-type-check v0.1.0
[INFO] [stderr]     Checking lark-query-system v0.1.0
[INFO] [stderr]     Checking lark-build v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.80s
[INFO] running `Command { std: "docker" "inspect" "8829f6d8bec70056065f1c639a88e84866d8c41e7532449d7ce82957f17d38a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8829f6d8bec70056065f1c639a88e84866d8c41e7532449d7ce82957f17d38a8", kill_on_drop: false }`
[INFO] [stdout] 8829f6d8bec70056065f1c639a88e84866d8c41e7532449d7ce82957f17d38a8