[INFO] fetching crate biscuit 0.5.0-beta2...
[INFO] checking biscuit-0.5.0-beta2 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate biscuit 0.5.0-beta2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate biscuit 0.5.0-beta2 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate biscuit 0.5.0-beta2
[INFO] finished tweaking crates.io crate biscuit 0.5.0-beta2
[INFO] tweaked toml for crates.io crate biscuit 0.5.0-beta2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 232a37efb0081651095b53b13d444125336943e2ea3b5d00452fca0b5b49f6e2
[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" "232a37efb0081651095b53b13d444125336943e2ea3b5d00452fca0b5b49f6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "232a37efb0081651095b53b13d444125336943e2ea3b5d00452fca0b5b49f6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232a37efb0081651095b53b13d444125336943e2ea3b5d00452fca0b5b49f6e2", kill_on_drop: false }`
[INFO] [stdout] 232a37efb0081651095b53b13d444125336943e2ea3b5d00452fca0b5b49f6e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] 7a5e2be3efa1c17b0842596e81c971dbd75db9dfa1eff75a3ea724cbce5a5ec0
[INFO] running `Command { std: "docker" "start" "-a" "7a5e2be3efa1c17b0842596e81c971dbd75db9dfa1eff75a3ea724cbce5a5ec0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde_test v1.0.115
[INFO] [stderr]     Checking biscuit v0.5.0-beta2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "7a5e2be3efa1c17b0842596e81c971dbd75db9dfa1eff75a3ea724cbce5a5ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5e2be3efa1c17b0842596e81c971dbd75db9dfa1eff75a3ea724cbce5a5ec0", kill_on_drop: false }`
[INFO] [stdout] 7a5e2be3efa1c17b0842596e81c971dbd75db9dfa1eff75a3ea724cbce5a5ec0