[INFO] fetching crate patricia_tree 0.1.10...
[INFO] checking patricia_tree-0.1.10 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate patricia_tree 0.1.10 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate patricia_tree 0.1.10 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate patricia_tree 0.1.10
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate patricia_tree 0.1.10
[INFO] tweaked toml for crates.io crate patricia_tree 0.1.10 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate patricia_tree 0.1.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c37401f8897ba003c49b67b4b9541f3a250fe0f91e250eeef2516c6ec74d6c38
[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" "c37401f8897ba003c49b67b4b9541f3a250fe0f91e250eeef2516c6ec74d6c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c37401f8897ba003c49b67b4b9541f3a250fe0f91e250eeef2516c6ec74d6c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37401f8897ba003c49b67b4b9541f3a250fe0f91e250eeef2516c6ec74d6c38", kill_on_drop: false }`
[INFO] [stdout] c37401f8897ba003c49b67b4b9541f3a250fe0f91e250eeef2516c6ec74d6c38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e566d2cbdd72833c1393de8cbf7692c09e0bc5f08bef9855d58ebf2398b3f90b
[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" "e566d2cbdd72833c1393de8cbf7692c09e0bc5f08bef9855d58ebf2398b3f90b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking patricia_tree v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.58s
[INFO] running `Command { std: "docker" "inspect" "e566d2cbdd72833c1393de8cbf7692c09e0bc5f08bef9855d58ebf2398b3f90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e566d2cbdd72833c1393de8cbf7692c09e0bc5f08bef9855d58ebf2398b3f90b", kill_on_drop: false }`
[INFO] [stdout] e566d2cbdd72833c1393de8cbf7692c09e0bc5f08bef9855d58ebf2398b3f90b