[INFO] updating cached repository https://github.com/LPGhatguy/teensy-rust-experiment
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/LPGhatguy/teensy-rust-experiment
[INFO] [stderr]  * [new branch]      from-scratch -> from-scratch
[INFO] [stderr]    40f9af7..85e1b79  master       -> master
[INFO] [stderr]  * [new branch]      old-stuff    -> old-stuff
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 85e1b797168ff4218d7147c3d5ff8275ed1364cb
[INFO] checking LPGhatguy/teensy-rust-experiment against try#c846f8a7dc7af09647f397f047db9cc81acb60bd for pr-69129
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLPGhatguy%2Fteensy-rust-experiment" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LPGhatguy/teensy-rust-experiment on toolchain c846f8a7dc7af09647f397f047db9cc81acb60bd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c846f8a7dc7af09647f397f047db9cc81acb60bd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/LPGhatguy/teensy-rust-experiment
[INFO] finished tweaking git repo https://github.com/LPGhatguy/teensy-rust-experiment
[INFO] tweaked toml for git repo https://github.com/LPGhatguy/teensy-rust-experiment written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/LPGhatguy/teensy-rust-experiment already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c846f8a7dc7af09647f397f047db9cc81acb60bd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c846f8a7dc7af09647f397f047db9cc81acb60bd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b6f2551b2cdbf3ef0b822953901e3c8fa8baac026b85e6de60c5c23c18f6de4b
[INFO] running `"docker" "start" "-a" "b6f2551b2cdbf3ef0b822953901e3c8fa8baac026b85e6de60c5c23c18f6de4b"`
[INFO] [stderr]     Checking teensy-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `thumbv7em-none-eabi` target may not be installed
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `thumbv7em-none-eabi` target may not be installed
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `teensy-rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `teensy-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b6f2551b2cdbf3ef0b822953901e3c8fa8baac026b85e6de60c5c23c18f6de4b"`
[INFO] running `"docker" "rm" "-f" "b6f2551b2cdbf3ef0b822953901e3c8fa8baac026b85e6de60c5c23c18f6de4b"`
[INFO] [stdout] b6f2551b2cdbf3ef0b822953901e3c8fa8baac026b85e6de60c5c23c18f6de4b