[INFO] cloning repository https://github.com/newAM/ambientsensor-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/newAM/ambientsensor-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnewAM%2Fambientsensor-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnewAM%2Fambientsensor-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e55d68914de4a2bc8e71c85944ecf7515b77008
[INFO] checking newAM/ambientsensor-rs against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnewAM%2Fambientsensor-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/newAM/ambientsensor-rs on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/newAM/ambientsensor-rs
[INFO] finished tweaking git repo https://github.com/newAM/ambientsensor-rs
[INFO] tweaked toml for git repo https://github.com/newAM/ambientsensor-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/newAM/ambientsensor-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/stm32-rs/stm32f0xx-hal.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded w5500-hl v0.2.0
[INFO] [stderr]   Downloaded eeprom25aa02e48 v0.2.0
[INFO] [stderr]   Downloaded w5500-ll v0.6.2
[INFO] [stderr]   Downloaded stm32f0 v0.12.1
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdd2cc3ea451a4fbf17839b581a8d9ad2d4c5c0b15e14f04d692cad3a575fa77
[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" "cdd2cc3ea451a4fbf17839b581a8d9ad2d4c5c0b15e14f04d692cad3a575fa77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdd2cc3ea451a4fbf17839b581a8d9ad2d4c5c0b15e14f04d692cad3a575fa77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd2cc3ea451a4fbf17839b581a8d9ad2d4c5c0b15e14f04d692cad3a575fa77", kill_on_drop: false }`
[INFO] [stdout] cdd2cc3ea451a4fbf17839b581a8d9ad2d4c5c0b15e14f04d692cad3a575fa77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 580460480f88b3a871e80c9778c15a8d00d2c9be9f2f1d1baffe6259639e995d
[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" "580460480f88b3a871e80c9778c15a8d00d2c9be9f2f1d1baffe6259639e995d", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling cortex-m v0.7.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `thumbv6m-none-eabi` target may not be installed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nb`
[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[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `thumbv6m-none-eabi` target may not be installed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `thumbv6m-none-eabi` target may not be installed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `thumbv6m-none-eabi` target may not be installed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `thumbv6m-none-eabi` target may not be installed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "580460480f88b3a871e80c9778c15a8d00d2c9be9f2f1d1baffe6259639e995d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580460480f88b3a871e80c9778c15a8d00d2c9be9f2f1d1baffe6259639e995d", kill_on_drop: false }`
[INFO] [stdout] 580460480f88b3a871e80c9778c15a8d00d2c9be9f2f1d1baffe6259639e995d