[INFO] cloning repository https://github.com/jjkt/zmu-armv6m
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jjkt/zmu-armv6m" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjkt%2Fzmu-armv6m", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjkt%2Fzmu-armv6m'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a54af076daa6843c7bd23f69f85c517e14dd1c38
[INFO] checking jjkt/zmu-armv6m against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjkt%2Fzmu-armv6m" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jjkt/zmu-armv6m on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jjkt/zmu-armv6m
[INFO] finished tweaking git repo https://github.com/jjkt/zmu-armv6m
[INFO] tweaked toml for git repo https://github.com/jjkt/zmu-armv6m written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jjkt/zmu-armv6m already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f0691a8ebc3ed1cde1869e5b6f860910c2e61014780a862b7762550116f2ab6
[INFO] running `Command { std: "docker" "start" "-a" "1f0691a8ebc3ed1cde1869e5b6f860910c2e61014780a862b7762550116f2ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f0691a8ebc3ed1cde1869e5b6f860910c2e61014780a862b7762550116f2ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0691a8ebc3ed1cde1869e5b6f860910c2e61014780a862b7762550116f2ab6", kill_on_drop: false }`
[INFO] [stdout] 1f0691a8ebc3ed1cde1869e5b6f860910c2e61014780a862b7762550116f2ab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b145054426ce7561acb71b13f956234b21979a62d98512eb6e6dadb945426ff7
[INFO] running `Command { std: "docker" "start" "-a" "b145054426ce7561acb71b13f956234b21979a62d98512eb6e6dadb945426ff7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling zmu_cortex_m v0.1.0 (/opt/rustwide/workdir/zmu_cortex_m)
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking scroll v0.7.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking enum-set v0.0.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking pad v0.1.5
[INFO] [stderr]     Checking tabwriter v1.1.0
[INFO] [stderr]     Checking log v0.4.7
[INFO] [stderr]     Checking atty v0.2.12
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling scroll_derive v0.8.0
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking goblin v0.0.12
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]     Checking zmu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.83s
[INFO] running `Command { std: "docker" "inspect" "b145054426ce7561acb71b13f956234b21979a62d98512eb6e6dadb945426ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b145054426ce7561acb71b13f956234b21979a62d98512eb6e6dadb945426ff7", kill_on_drop: false }`
[INFO] [stdout] b145054426ce7561acb71b13f956234b21979a62d98512eb6e6dadb945426ff7