[INFO] cloning repository https://github.com/inferiorhumanorgans/sam3x8e-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inferiorhumanorgans/sam3x8e-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finferiorhumanorgans%2Fsam3x8e-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finferiorhumanorgans%2Fsam3x8e-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a20f2b48fd2f8e93a0533554fe69198ce5f0790
[INFO] checking inferiorhumanorgans/sam3x8e-rs against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finferiorhumanorgans%2Fsam3x8e-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inferiorhumanorgans/sam3x8e-rs 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] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking git repo https://github.com/inferiorhumanorgans/sam3x8e-rs
[INFO] finished tweaking git repo https://github.com/inferiorhumanorgans/sam3x8e-rs
[INFO] tweaked toml for git repo https://github.com/inferiorhumanorgans/sam3x8e-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/inferiorhumanorgans/sam3x8e-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-10/source/sam3x8e/Cargo.toml: unused manifest key: package.bench
[INFO] [stderr] warning: /workspace/builds/worker-10/source/sam3x8e/Cargo.toml: unused manifest key: package.test
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] f908b4da25fdcfefaa06ffc379cd9c84cf7c2e4caadad5b36dcdbffa63d00973
[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" "f908b4da25fdcfefaa06ffc379cd9c84cf7c2e4caadad5b36dcdbffa63d00973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f908b4da25fdcfefaa06ffc379cd9c84cf7c2e4caadad5b36dcdbffa63d00973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f908b4da25fdcfefaa06ffc379cd9c84cf7c2e4caadad5b36dcdbffa63d00973", kill_on_drop: false }`
[INFO] [stdout] f908b4da25fdcfefaa06ffc379cd9c84cf7c2e4caadad5b36dcdbffa63d00973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 051634e2a1e1f0352b6a5a4d8979df473aad9ab793d4b3480f2041ea6e1b0640
[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" "051634e2a1e1f0352b6a5a4d8979df473aad9ab793d4b3480f2041ea6e1b0640", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/sam3x8e/Cargo.toml: unused manifest key: package.bench
[INFO] [stderr] warning: /opt/rustwide/workdir/sam3x8e/Cargo.toml: unused manifest key: package.test
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling sam3x8e v0.1.1 (/opt/rustwide/workdir/sam3x8e)
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]     Checking as-slice v0.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking aligned v0.3.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking sam3x8e-hal-codegen v0.1.0 (/opt/rustwide/workdir/sam3x8e-hal-codegen)
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.6
[INFO] [stdout] error[E0465]: multiple rmeta candidates for `cortex_m` found
[INFO] [stdout]  --> sam3x8e/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate cortex_m;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: candidate #1: /opt/rustwide/target/debug/deps/libcortex_m-3bd80b85b2e2569d.rmeta
[INFO] [stdout]  --> sam3x8e/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate cortex_m;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2: /opt/rustwide/target/debug/deps/libcortex_m-f917be6ce2f3b672.rmeta
[INFO] [stdout]  --> sam3x8e/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate cortex_m;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sam3x8e`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "051634e2a1e1f0352b6a5a4d8979df473aad9ab793d4b3480f2041ea6e1b0640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051634e2a1e1f0352b6a5a4d8979df473aad9ab793d4b3480f2041ea6e1b0640", kill_on_drop: false }`
[INFO] [stdout] 051634e2a1e1f0352b6a5a4d8979df473aad9ab793d4b3480f2041ea6e1b0640