[INFO] fetching crate nameme_core 0.2.3...
[INFO] testing nameme_core-0.2.3 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate nameme_core 0.2.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate nameme_core 0.2.3
[INFO] finished tweaking crates.io crate nameme_core 0.2.3
[INFO] tweaked toml for crates.io crate nameme_core 0.2.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nameme_core 0.2.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.8)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] be55231d10a767747ae5646ae1af5edd3cc1c1ec2fea1db854b2250b996fbd47
[INFO] running `Command { std: "docker" "start" "-a" "be55231d10a767747ae5646ae1af5edd3cc1c1ec2fea1db854b2250b996fbd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be55231d10a767747ae5646ae1af5edd3cc1c1ec2fea1db854b2250b996fbd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be55231d10a767747ae5646ae1af5edd3cc1c1ec2fea1db854b2250b996fbd47", kill_on_drop: false }`
[INFO] [stdout] be55231d10a767747ae5646ae1af5edd3cc1c1ec2fea1db854b2250b996fbd47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f0de35e6ac53a9bfd725f95f72e57f1e9e6a9a8f89d9a08ee4f891b42c8d0d98
[INFO] running `Command { std: "docker" "start" "-a" "f0de35e6ac53a9bfd725f95f72e57f1e9e6a9a8f89d9a08ee4f891b42c8d0d98", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling nameme_core v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `nameme_core v0.2.3 (/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/nameme_core-88a84a5304f42299/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr]   Stack backtrace:
[INFO] [stderr]      0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stderr]      1: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stderr]      2: build_script_build::main
[INFO] [stderr]      3: core::ops::function::FnOnce::call_once
[INFO] [stderr]      4: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]      5: std::rt::lang_start::{{closure}}
[INFO] [stderr]      6: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:290:21
[INFO] [stderr]      7: std::panicking::catch_unwind::do_call
[INFO] [stderr]                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40
[INFO] [stderr]      8: std::panicking::catch_unwind
[INFO] [stderr]                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19
[INFO] [stderr]      9: std::panic::catch_unwind
[INFO] [stderr]                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14
[INFO] [stderr]     10: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/rt.rs:175:24
[INFO] [stderr]     11: std::panicking::catch_unwind::do_call
[INFO] [stderr]                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40
[INFO] [stderr]     12: std::panicking::catch_unwind
[INFO] [stderr]                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19
[INFO] [stderr]     13: std::panic::catch_unwind
[INFO] [stderr]                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14
[INFO] [stderr]     14: std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/rt.rs:171:5
[INFO] [stderr]     15: std::rt::lang_start
[INFO] [stderr]     16: main
[INFO] [stderr]     17: <unknown>
[INFO] [stderr]     18: __libc_start_main
[INFO] [stderr]     19: _start
[INFO] running `Command { std: "docker" "inspect" "f0de35e6ac53a9bfd725f95f72e57f1e9e6a9a8f89d9a08ee4f891b42c8d0d98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0de35e6ac53a9bfd725f95f72e57f1e9e6a9a8f89d9a08ee4f891b42c8d0d98", kill_on_drop: false }`
[INFO] [stdout] f0de35e6ac53a9bfd725f95f72e57f1e9e6a9a8f89d9a08ee4f891b42c8d0d98