[INFO] fetching crate klaptik 0.2.1...
[INFO] checking klaptik-0.2.1 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate klaptik 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate klaptik 0.2.1 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate klaptik 0.2.1
[INFO] finished tweaking crates.io crate klaptik 0.2.1
[INFO] tweaked toml for crates.io crate klaptik 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding byte-slice-cast v0.3.5 (available: v1.2.2)
[INFO] [stderr]       Adding display-interface v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding display-interface-i2c v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding display-interface-spi v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding embedded-graphics-core v0.3.3 (available: v0.4.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding hash32 v0.2.1 (available: v0.3.1)
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.8.0)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] [stderr]       Adding sh1106 v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding ssd1306 v0.7.1 (available: v0.9.0)
[INFO] [stderr]       Adding ssd1309 v0.3.0 (available: v0.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded display-interface-i2c v0.4.0
[INFO] [stderr]   Downloaded display-interface-spi v0.4.1
[INFO] [stderr]   Downloaded display-interface v0.4.1
[INFO] [stderr]   Downloaded ssd1306 v0.7.1
[INFO] [stderr]   Downloaded cobs v0.2.3
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.3
[INFO] [stderr]   Downloaded postcard v1.0.10
[INFO] [stderr]   Downloaded heapless v0.7.17
[INFO] [stderr]   Downloaded embedded-graphics-core v0.3.3
[INFO] [stderr]   Downloaded ist7920 v0.1.1
[INFO] [stderr]   Downloaded ssd1309 v0.3.0
[INFO] [stderr]   Downloaded sh1106 v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc0878e19e9cf6d9bfd73d651e6ecb996d0569ecf4f03ffa0d94e70cf6b2670b
[INFO] running `Command { std: "docker" "start" "-a" "dc0878e19e9cf6d9bfd73d651e6ecb996d0569ecf4f03ffa0d94e70cf6b2670b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc0878e19e9cf6d9bfd73d651e6ecb996d0569ecf4f03ffa0d94e70cf6b2670b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0878e19e9cf6d9bfd73d651e6ecb996d0569ecf4f03ffa0d94e70cf6b2670b", kill_on_drop: false }`
[INFO] [stdout] dc0878e19e9cf6d9bfd73d651e6ecb996d0569ecf4f03ffa0d94e70cf6b2670b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cc4900653b2757958d074166e2a7b1e3c36c3a2b2f83b4b3361bf10f4ac16a6
[INFO] running `Command { std: "docker" "start" "-a" "4cc4900653b2757958d074166e2a7b1e3c36c3a2b2f83b4b3361bf10f4ac16a6", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking klaptik v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "4cc4900653b2757958d074166e2a7b1e3c36c3a2b2f83b4b3361bf10f4ac16a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc4900653b2757958d074166e2a7b1e3c36c3a2b2f83b4b3361bf10f4ac16a6", kill_on_drop: false }`
[INFO] [stdout] 4cc4900653b2757958d074166e2a7b1e3c36c3a2b2f83b4b3361bf10f4ac16a6