[INFO] fetching crate marble 0.0.0...
[INFO] checking marble-0.0.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate marble 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate marble 0.0.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate marble 0.0.0
[INFO] finished tweaking crates.io crate marble 0.0.0
[INFO] tweaked toml for crates.io crate marble 0.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.2.1
[INFO] [stderr]   Downloaded historian v3.0.11
[INFO] [stderr]   Downloaded rio v0.9.4
[INFO] [stderr]   Downloaded sled_sync v0.2.2
[INFO] [stderr]   Downloaded extreme v666.666.666666
[INFO] [stderr]   Downloaded crossbeam-epoch v0.6.1
[INFO] [stderr]   Downloaded sled v0.31.0
[INFO] [stderr]   Downloaded sled v0.15.21
[INFO] [stderr]   Downloaded pagetable v0.0.3
[INFO] [stderr]   Downloaded paxos v0.0.2
[INFO] [stderr]   Downloaded pagecache v0.6.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f47d308c6391869690518048ee916bd5d4af53028448f9f2cbdbda88057a21a
[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" "1f47d308c6391869690518048ee916bd5d4af53028448f9f2cbdbda88057a21a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f47d308c6391869690518048ee916bd5d4af53028448f9f2cbdbda88057a21a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f47d308c6391869690518048ee916bd5d4af53028448f9f2cbdbda88057a21a", kill_on_drop: false }`
[INFO] [stdout] 1f47d308c6391869690518048ee916bd5d4af53028448f9f2cbdbda88057a21a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a052a74e34ab4cf9bd1a35a8d799914f7963dd6e0e5ccb900825df1e585f48e5
[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" "a052a74e34ab4cf9bd1a35a8d799914f7963dd6e0e5ccb900825df1e585f48e5", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking extreme v666.666.666666
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rio v0.9.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking pagetable v0.0.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking sled_sync v0.2.2
[INFO] [stderr]     Checking historian v3.0.11
[INFO] [stderr]     Checking pagecache v0.6.0
[INFO] [stderr]     Checking sled v0.31.0
[INFO] [stderr]     Checking sled v0.15.21
[INFO] [stderr]     Checking paxos v0.0.2
[INFO] [stderr]     Checking marble v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.66s
[INFO] running `Command { std: "docker" "inspect" "a052a74e34ab4cf9bd1a35a8d799914f7963dd6e0e5ccb900825df1e585f48e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a052a74e34ab4cf9bd1a35a8d799914f7963dd6e0e5ccb900825df1e585f48e5", kill_on_drop: false }`
[INFO] [stdout] a052a74e34ab4cf9bd1a35a8d799914f7963dd6e0e5ccb900825df1e585f48e5