[INFO] fetching crate hilbert_2d 1.0.0...
[INFO] checking hilbert_2d-1.0.0 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate hilbert_2d 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate hilbert_2d 1.0.0 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hilbert_2d 1.0.0
[INFO] finished tweaking crates.io crate hilbert_2d 1.0.0
[INFO] tweaked toml for crates.io crate hilbert_2d 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate hilbert_2d 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotlib v0.5.1
[INFO] [stderr]   Downloaded svg v0.7.2
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e79ec6d62171f66a3d2820e2ea8e0641cc0bfd748a5efc2dbd548e32514b625
[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" "9e79ec6d62171f66a3d2820e2ea8e0641cc0bfd748a5efc2dbd548e32514b625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e79ec6d62171f66a3d2820e2ea8e0641cc0bfd748a5efc2dbd548e32514b625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e79ec6d62171f66a3d2820e2ea8e0641cc0bfd748a5efc2dbd548e32514b625", kill_on_drop: false }`
[INFO] [stdout] 9e79ec6d62171f66a3d2820e2ea8e0641cc0bfd748a5efc2dbd548e32514b625
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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] 7a5ceac4990c8adf52017f322b1d9f99afc55497b0547be431b68c45a64d1255
[INFO] running `Command { std: "docker" "start" "-a" "7a5ceac4990c8adf52017f322b1d9f99afc55497b0547be431b68c45a64d1255", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking svg v0.7.2
[INFO] [stderr]     Checking hilbert_2d v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking plotlib v0.5.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "7a5ceac4990c8adf52017f322b1d9f99afc55497b0547be431b68c45a64d1255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5ceac4990c8adf52017f322b1d9f99afc55497b0547be431b68c45a64d1255", kill_on_drop: false }`
[INFO] [stdout] 7a5ceac4990c8adf52017f322b1d9f99afc55497b0547be431b68c45a64d1255