[INFO] fetching crate mac-keycode 0.0.2...
[INFO] testing mac-keycode-0.0.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate mac-keycode 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mac-keycode 0.0.2
[INFO] finished tweaking crates.io crate mac-keycode 0.0.2
[INFO] tweaked toml for crates.io crate mac-keycode 0.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mac-keycode 0.0.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mac-keycode 0.0.2 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4a42a9477f717c136e013212029fe7c6563143469789e3d7fcc7f5b19c8d786
[INFO] running `Command { std: "docker" "start" "-a" "d4a42a9477f717c136e013212029fe7c6563143469789e3d7fcc7f5b19c8d786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4a42a9477f717c136e013212029fe7c6563143469789e3d7fcc7f5b19c8d786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a42a9477f717c136e013212029fe7c6563143469789e3d7fcc7f5b19c8d786", kill_on_drop: false }`
[INFO] [stdout] d4a42a9477f717c136e013212029fe7c6563143469789e3d7fcc7f5b19c8d786
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfe96dd3c6fa594924a20a668d32e0ddaf833c57e2da3777e3cb8de77ef5ec2e
[INFO] running `Command { std: "docker" "start" "-a" "bfe96dd3c6fa594924a20a668d32e0ddaf833c57e2da3777e3cb8de77ef5ec2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling mac-keycode v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mac-keycode v0.0.2 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mac-keycode-174b4633ec0ab612/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=/opt/rustwide/workdir/data/keycodes.txt
[INFO] [stderr]   cargo:rerun-if-changed=/opt/rustwide/workdir/data/keycodes
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: failed to write generated file to /opt/rustwide/workdir/src/key.rs
[INFO] [stderr] 
[INFO] [stderr]   Caused by:
[INFO] [stderr]       Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr]   Stack backtrace:
[INFO] [stderr]      0: <E as anyhow::context::ext::StdError>::ext_context
[INFO] [stderr]      1: anyhow::context::<impl anyhow::Context<T,E> for core::result::Result<T,E>>::with_context
[INFO] [stderr]      2: build_script_build::generate_key_rs
[INFO] [stderr]      3: build_script_build::main
[INFO] [stderr]      4: core::ops::function::FnOnce::call_once
[INFO] [stderr]      5: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]      6: std::rt::lang_start::{{closure}}
[INFO] [stderr]      7: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21
[INFO] [stderr]      8: std::panicking::catch_unwind::do_call
[INFO] [stderr]                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]      9: std::panicking::catch_unwind
[INFO] [stderr]                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     10: std::panic::catch_unwind
[INFO] [stderr]                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]     11: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24
[INFO] [stderr]     12: std::panicking::catch_unwind::do_call
[INFO] [stderr]                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     13: std::panicking::catch_unwind
[INFO] [stderr]                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     14: std::panic::catch_unwind
[INFO] [stderr]                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]     15: std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5
[INFO] [stderr]     16: std::rt::lang_start
[INFO] [stderr]     17: main
[INFO] [stderr]     18: <unknown>
[INFO] [stderr]     19: __libc_start_main
[INFO] [stderr]     20: _start
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bfe96dd3c6fa594924a20a668d32e0ddaf833c57e2da3777e3cb8de77ef5ec2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe96dd3c6fa594924a20a668d32e0ddaf833c57e2da3777e3cb8de77ef5ec2e", kill_on_drop: false }`
[INFO] [stdout] bfe96dd3c6fa594924a20a668d32e0ddaf833c57e2da3777e3cb8de77ef5ec2e