[INFO] cloning repository https://github.com/tftftftft/rust_no_std_template
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tftftftft/rust_no_std_template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftftftftft%2Frust_no_std_template", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftftftftft%2Frust_no_std_template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e69a8bb0bb1825b65b55f0e1d222bd5625bb5cdf
[INFO] checking tftftftft/rust_no_std_template against try#173780a87744406b7489b28349c0176f14bb3881 for pr-135841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftftftftft%2Frust_no_std_template" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tftftftft/rust_no_std_template on toolchain 173780a87744406b7489b28349c0176f14bb3881
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tftftftft/rust_no_std_template
[INFO] finished tweaking git repo https://github.com/tftftftft/rust_no_std_template
[INFO] tweaked toml for git repo https://github.com/tftftftft/rust_no_std_template written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tftftftft/rust_no_std_template 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" "+173780a87744406b7489b28349c0176f14bb3881" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.i686-pc-windows-msvc.rustflags
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 752eab274911d8b71d09c2ce3547f6393d734d62ad87d7db0c1c6df67933ce10
[INFO] running `Command { std: "docker" "start" "-a" "752eab274911d8b71d09c2ce3547f6393d734d62ad87d7db0c1c6df67933ce10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "752eab274911d8b71d09c2ce3547f6393d734d62ad87d7db0c1c6df67933ce10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752eab274911d8b71d09c2ce3547f6393d734d62ad87d7db0c1c6df67933ce10", kill_on_drop: false }`
[INFO] [stdout] 752eab274911d8b71d09c2ce3547f6393d734d62ad87d7db0c1c6df67933ce10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4849d9cdb757799e7fbe17ac2c6bc6eca89730f137b7ba9920878e23f41211ee
[INFO] running `Command { std: "docker" "start" "-a" "4849d9cdb757799e7fbe17ac2c6bc6eca89730f137b7ba9920878e23f41211ee", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.i686-pc-windows-msvc.rustflags
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking libc_alloc v1.0.4
[INFO] [stderr]     Checking payload v0.1.0 (/opt/rustwide/workdir)
[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] error: could not compile `payload` (bin "payload") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: static variable `value` should have an upper case name
[INFO] [stdout]   --> src/main.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | static mut value: i32 = 0;
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to upper case: `VALUE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4849d9cdb757799e7fbe17ac2c6bc6eca89730f137b7ba9920878e23f41211ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4849d9cdb757799e7fbe17ac2c6bc6eca89730f137b7ba9920878e23f41211ee", kill_on_drop: false }`
[INFO] [stdout] 4849d9cdb757799e7fbe17ac2c6bc6eca89730f137b7ba9920878e23f41211ee