[INFO] fetching crate keebrs 0.3.0...
[INFO] checking keebrs-0.3.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate keebrs 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate keebrs 0.3.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polymer-core v0.1.0
[INFO] [stderr]   Downloaded async-codec v0.4.0
[INFO] [stderr]   Downloaded derive-newtype v0.2.3
[INFO] [stderr]   Downloaded newtype v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] fcd8fd97359229d8e31f8bf9189e1449fac7c401b4d5f5b1e1c4d1aa0505ac42
[INFO] running `Command { std: "docker" "start" "-a" "fcd8fd97359229d8e31f8bf9189e1449fac7c401b4d5f5b1e1c4d1aa0505ac42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcd8fd97359229d8e31f8bf9189e1449fac7c401b4d5f5b1e1c4d1aa0505ac42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd8fd97359229d8e31f8bf9189e1449fac7c401b4d5f5b1e1c4d1aa0505ac42", kill_on_drop: false }`
[INFO] [stdout] fcd8fd97359229d8e31f8bf9189e1449fac7c401b4d5f5b1e1c4d1aa0505ac42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af42037fcf935e1e0017a78d61630975156db452f5cb055310d41e50a65bed30
[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" "af42037fcf935e1e0017a78d61630975156db452f5cb055310d41e50a65bed30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling log v0.4.14
[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]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking smart-leds-trait v0.2.1
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking smart-leds v0.3.0
[INFO] [stderr]     Checking polymer-core v0.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling quote v0.6.13
[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 v0.3.15
[INFO] [stderr]     Checking async-codec v0.4.0
[INFO] [stderr]    Compiling derive-newtype v0.2.3
[INFO] [stderr]     Checking newtype v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking pin-project v0.4.28
[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 1m 12s
[INFO] running `Command { std: "docker" "inspect" "af42037fcf935e1e0017a78d61630975156db452f5cb055310d41e50a65bed30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af42037fcf935e1e0017a78d61630975156db452f5cb055310d41e50a65bed30", kill_on_drop: false }`
[INFO] [stdout] af42037fcf935e1e0017a78d61630975156db452f5cb055310d41e50a65bed30