[INFO] cloning repository https://github.com/wildarch/cortex-m-switch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wildarch/cortex-m-switch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwildarch%2Fcortex-m-switch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwildarch%2Fcortex-m-switch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 550633de82f9f356ae74fe3a987fcbbdb092b90d
[INFO] testing wildarch/cortex-m-switch against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwildarch%2Fcortex-m-switch" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wildarch/cortex-m-switch on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wildarch/cortex-m-switch
[INFO] finished tweaking git repo https://github.com/wildarch/cortex-m-switch
[INFO] tweaked toml for git repo https://github.com/wildarch/cortex-m-switch written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wildarch/cortex-m-switch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53b2ac523ffd113cf58702590287a8defadaf7d10e838412581f3dabd381b956
[INFO] running `Command { std: "docker" "start" "-a" "53b2ac523ffd113cf58702590287a8defadaf7d10e838412581f3dabd381b956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53b2ac523ffd113cf58702590287a8defadaf7d10e838412581f3dabd381b956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b2ac523ffd113cf58702590287a8defadaf7d10e838412581f3dabd381b956", kill_on_drop: false }`
[INFO] [stdout] 53b2ac523ffd113cf58702590287a8defadaf7d10e838412581f3dabd381b956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 944443fef8be965cc802db7c303a01ac601bd777f206c7548fde327b15a664e0
[INFO] running `Command { std: "docker" "start" "-a" "944443fef8be965cc802db7c303a01ac601bd777f206c7548fde327b15a664e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10
[INFO] [stderr]    Compiling vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m v0.6.0
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling cortex-m-switch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]  --> build.rs:8:54
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for exception in ["SysTick", "PendSV", "SVCall"].into_iter() {
[INFO] [stdout]   |                                                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this changes meaning in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]   = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for exception in ["SysTick", "PendSV", "SVCall"].iter() {
[INFO] [stdout]   |                                                      ~~~~
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]   |
[INFO] [stdout] 8 -     for exception in ["SysTick", "PendSV", "SVCall"].into_iter() {
[INFO] [stdout] 8 +     for exception in ["SysTick", "PendSV", "SVCall"] {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stdout] error: failed to write /tmp/rustcDuh9mZ/lib.rmeta: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rand` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetauwgxJE/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaZVciAt/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `typenum` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "944443fef8be965cc802db7c303a01ac601bd777f206c7548fde327b15a664e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944443fef8be965cc802db7c303a01ac601bd777f206c7548fde327b15a664e0", kill_on_drop: false }`
[INFO] [stdout] 944443fef8be965cc802db7c303a01ac601bd777f206c7548fde327b15a664e0