[INFO] cloning repository https://github.com/tallamjr/qemu-cross
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tallamjr/qemu-cross" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftallamjr%2Fqemu-cross", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftallamjr%2Fqemu-cross'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b520279fdae1d49a95fe5ecd5017d28000780e1
[INFO] testing tallamjr/qemu-cross against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftallamjr%2Fqemu-cross" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/tallamjr/qemu-cross
[INFO] finished tweaking git repo https://github.com/tallamjr/qemu-cross
[INFO] tweaked toml for git repo https://github.com/tallamjr/qemu-cross written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tallamjr/qemu-cross on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tallamjr/qemu-cross 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c082e39a9caa49d74895f525b2ec9e81602f0d2c0619624cce374b3beedf8045
[INFO] running `Command { std: "docker" "start" "-a" "c082e39a9caa49d74895f525b2ec9e81602f0d2c0619624cce374b3beedf8045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c082e39a9caa49d74895f525b2ec9e81602f0d2c0619624cce374b3beedf8045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c082e39a9caa49d74895f525b2ec9e81602f0d2c0619624cce374b3beedf8045", kill_on_drop: false }`
[INFO] [stdout] c082e39a9caa49d74895f525b2ec9e81602f0d2c0619624cce374b3beedf8045
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 414bb30772cd0b417d663fe4452a016211e12a38a575e6934dda0a252e4462f1
[INFO] running `Command { std: "docker" "start" "-a" "414bb30772cd0b417d663fe4452a016211e12a38a575e6934dda0a252e4462f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.100
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling sys-info v0.9.1
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: hello@0.1.0: OS: Linux
[INFO] [stderr] warning: hello@0.1.0: OS Release: 6.14.0-1014-gcp
[INFO] [stderr] warning: hello@0.1.0: CPU Cores: 16
[INFO] [stderr] warning: hello@0.1.0: CPU Speed: 2449 MHz
[INFO] [stderr] warning: hello@0.1.0: Total Memory: 16369952 KB, Free Memory: 411368 KB
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: hello@0.1.0: OS: Linux
[INFO] [stderr] warning: hello@0.1.0: OS Release: 6.14.0-1014-gcp
[INFO] [stderr] warning: hello@0.1.0: CPU Cores: 16
[INFO] [stderr] warning: hello@0.1.0: CPU Speed: 2449 MHz
[INFO] [stderr] warning: hello@0.1.0: Total Memory: 16369952 KB, Free Memory: 411368 KB
[INFO] [stderr] error: could not compile `hello` (bin "hello") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "414bb30772cd0b417d663fe4452a016211e12a38a575e6934dda0a252e4462f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "414bb30772cd0b417d663fe4452a016211e12a38a575e6934dda0a252e4462f1", kill_on_drop: false }`
[INFO] [stdout] 414bb30772cd0b417d663fe4452a016211e12a38a575e6934dda0a252e4462f1