[INFO] fetching crate itsybitsy_m0 0.10.0...
[INFO] testing itsybitsy_m0-0.10.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate itsybitsy_m0 0.10.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate itsybitsy_m0 0.10.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking crates.io crate itsybitsy_m0 0.10.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate itsybitsy_m0 0.10.0
[INFO] tweaked toml for crates.io crate itsybitsy_m0 0.10.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate itsybitsy_m0 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ssmarshal v1.0.0
[INFO] [stderr]   Downloaded usbd-hid-macros v0.4.5
[INFO] [stderr]   Downloaded usbd-hid v0.4.5
[INFO] [stderr]   Downloaded embedded-graphics v0.6.2
[INFO] [stderr]   Downloaded ssd1306 v0.3.1
[INFO] [stderr]   Downloaded atsamd21g v0.9.0
[INFO] [stderr]   Downloaded usbd-hid-descriptors v0.1.1
[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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1b662b1963d30ea2d0af15e402d7e2770b59df9f0c5f6a80068f7bd2a6b29ab
[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" "c1b662b1963d30ea2d0af15e402d7e2770b59df9f0c5f6a80068f7bd2a6b29ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1b662b1963d30ea2d0af15e402d7e2770b59df9f0c5f6a80068f7bd2a6b29ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b662b1963d30ea2d0af15e402d7e2770b59df9f0c5f6a80068f7bd2a6b29ab", kill_on_drop: false }`
[INFO] [stdout] c1b662b1963d30ea2d0af15e402d7e2770b59df9f0c5f6a80068f7bd2a6b29ab
[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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 772bf0762e6ab82027d7b809bcb923af6089d311422bb5be1a84a8bf7fe01bdb
[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" "772bf0762e6ab82027d7b809bcb923af6089d311422bb5be1a84a8bf7fe01bdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling cortex-m v0.6.4
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling vcell v0.1.2
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling atsamd21g v0.9.0
[INFO] [stderr]    Compiling itsybitsy_m0 v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling rgb v0.8.25
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling bitbang-hal v0.3.2
[INFO] [stderr]    Compiling smart-leds-trait v0.2.1
[INFO] [stderr]    Compiling apa102-spi v0.3.2
[INFO] [stderr]    Compiling smart-leds v0.3.0
[INFO] [stderr]    Compiling as-slice v0.1.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling aligned v0.3.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling atsamd-hal v0.12.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.53s
[INFO] running `Command { std: "docker" "inspect" "772bf0762e6ab82027d7b809bcb923af6089d311422bb5be1a84a8bf7fe01bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "772bf0762e6ab82027d7b809bcb923af6089d311422bb5be1a84a8bf7fe01bdb", kill_on_drop: false }`
[INFO] [stdout] 772bf0762e6ab82027d7b809bcb923af6089d311422bb5be1a84a8bf7fe01bdb
[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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50cb7d919b6aba6df8301841aa20262b721fca77398984cc0fdda3f2b0c2c852
[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" "50cb7d919b6aba6df8301841aa20262b721fca77398984cc0fdda3f2b0c2c852", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ssd1306 v0.3.1
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling embedded-graphics v0.6.2
[INFO] [stderr]    Compiling itsybitsy_m0 v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itsybitsy_m0`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "50cb7d919b6aba6df8301841aa20262b721fca77398984cc0fdda3f2b0c2c852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50cb7d919b6aba6df8301841aa20262b721fca77398984cc0fdda3f2b0c2c852", kill_on_drop: false }`
[INFO] [stdout] 50cb7d919b6aba6df8301841aa20262b721fca77398984cc0fdda3f2b0c2c852