[INFO] fetching crate legion-systems 0.2.4...
[INFO] checking legion-systems-0.2.4 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate legion-systems 0.2.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate legion-systems 0.2.4 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate legion-systems 0.2.4
[INFO] finished tweaking crates.io crate legion-systems 0.2.4
[INFO] tweaked toml for crates.io crate legion-systems 0.2.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27db567d931c9d261103d6d67bbb9829e5d23d88515da3289bb3723c8e9313d3
[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" "27db567d931c9d261103d6d67bbb9829e5d23d88515da3289bb3723c8e9313d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27db567d931c9d261103d6d67bbb9829e5d23d88515da3289bb3723c8e9313d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27db567d931c9d261103d6d67bbb9829e5d23d88515da3289bb3723c8e9313d3", kill_on_drop: false }`
[INFO] [stdout] 27db567d931c9d261103d6d67bbb9829e5d23d88515da3289bb3723c8e9313d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] d65471fb9c68b747721a6617694bf3b27426d470569918dfe255b9659d34823f
[INFO] running `Command { std: "docker" "start" "-a" "d65471fb9c68b747721a6617694bf3b27426d470569918dfe255b9659d34823f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking tracing-subscriber v0.2.11
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking legion-core v0.2.4
[INFO] [stderr]     Checking legion-systems v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "d65471fb9c68b747721a6617694bf3b27426d470569918dfe255b9659d34823f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65471fb9c68b747721a6617694bf3b27426d470569918dfe255b9659d34823f", kill_on_drop: false }`
[INFO] [stdout] d65471fb9c68b747721a6617694bf3b27426d470569918dfe255b9659d34823f