[INFO] fetching crate keebrs 0.3.0...
[INFO] checking keebrs-0.3.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate keebrs 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate keebrs 0.3.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keebrs 0.3.0
[INFO] finished tweaking crates.io crate keebrs 0.3.0
[INFO] tweaked toml for crates.io crate keebrs 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smart-leds v0.3.0
[INFO] [stderr]   Downloaded postcard-cobs v0.1.5-pre
[INFO] [stderr]   Downloaded async-codec v0.4.0
[INFO] [stderr]   Downloaded derive-newtype v0.2.3
[INFO] [stderr]   Downloaded postcard v0.5.2
[INFO] [stderr]   Downloaded polymer-core v0.1.0
[INFO] [stderr]   Downloaded newtype v0.2.1
[INFO] [stderr]   Downloaded smart-leds-trait v0.2.1
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27f0410417aa654e5c416cd3cab3412ea702788b357218af93d225f5ade8a0b0
[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" "27f0410417aa654e5c416cd3cab3412ea702788b357218af93d225f5ade8a0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27f0410417aa654e5c416cd3cab3412ea702788b357218af93d225f5ade8a0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27f0410417aa654e5c416cd3cab3412ea702788b357218af93d225f5ade8a0b0", kill_on_drop: false }`
[INFO] [stdout] 27f0410417aa654e5c416cd3cab3412ea702788b357218af93d225f5ade8a0b0
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f36d987929b290bfac316ddbcd8fa96bd295dfa2c95cad566b4d5e279638c7f
[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" "5f36d987929b290bfac316ddbcd8fa96bd295dfa2c95cad566b4d5e279638c7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking postcard-cobs v0.1.5-pre
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking usb-device v0.2.8
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking polymer-core v0.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling derive-newtype v0.2.3
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking smart-leds-trait v0.2.1
[INFO] [stderr]     Checking smart-leds v0.3.0
[INFO] [stderr]     Checking newtype v0.2.1
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking async-codec v0.4.0
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking postcard v0.5.2
[INFO] [stderr]     Checking keebrs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.79s
[INFO] running `Command { std: "docker" "inspect" "5f36d987929b290bfac316ddbcd8fa96bd295dfa2c95cad566b4d5e279638c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f36d987929b290bfac316ddbcd8fa96bd295dfa2c95cad566b4d5e279638c7f", kill_on_drop: false }`
[INFO] [stdout] 5f36d987929b290bfac316ddbcd8fa96bd295dfa2c95cad566b4d5e279638c7f