[INFO] fetching crate k2_tree 0.5.2...
[INFO] checking k2_tree-0.5.2 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate k2_tree 0.5.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate k2_tree 0.5.2 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate k2_tree 0.5.2
[INFO] finished tweaking crates.io crate k2_tree 0.5.2
[INFO] tweaked toml for crates.io crate k2_tree 0.5.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", 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] 54c4ec201a45d85f01d69a35bc3f0693c3a67ad683a0b97018429661d776a7e6
[INFO] running `Command { std: "docker" "start" "-a" "54c4ec201a45d85f01d69a35bc3f0693c3a67ad683a0b97018429661d776a7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54c4ec201a45d85f01d69a35bc3f0693c3a67ad683a0b97018429661d776a7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c4ec201a45d85f01d69a35bc3f0693c3a67ad683a0b97018429661d776a7e6", kill_on_drop: false }`
[INFO] [stdout] 54c4ec201a45d85f01d69a35bc3f0693c3a67ad683a0b97018429661d776a7e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93f91d61936c8b3b1e3fe5c861a220df9292ee7f732d433b6f780a2270ef4941
[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" "93f91d61936c8b3b1e3fe5c861a220df9292ee7f732d433b6f780a2270ef4941", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking k2_tree v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.56s
[INFO] running `Command { std: "docker" "inspect" "93f91d61936c8b3b1e3fe5c861a220df9292ee7f732d433b6f780a2270ef4941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f91d61936c8b3b1e3fe5c861a220df9292ee7f732d433b6f780a2270ef4941", kill_on_drop: false }`
[INFO] [stdout] 93f91d61936c8b3b1e3fe5c861a220df9292ee7f732d433b6f780a2270ef4941