[INFO] fetching crate rustpython 0.1.2... [INFO] testing rustpython-0.1.2 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] extracting crate rustpython 0.1.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate rustpython 0.1.2 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustpython 0.1.2 [INFO] finished tweaking crates.io crate rustpython 0.1.2 [INFO] tweaked toml for crates.io crate rustpython 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate rustpython 0.1.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded uname v0.1.1 [INFO] [stderr] Downloaded paste v0.1.10 [INFO] [stderr] Downloaded rustc_version_runtime v0.1.5 [INFO] [stderr] Downloaded unic-bidi v0.9.0 [INFO] [stderr] Downloaded backtrace v0.3.41 [INFO] [stderr] Downloaded paste-impl v0.1.10 [INFO] [stderr] Downloaded gethostname v0.2.1 [INFO] [stderr] Downloaded caseless v0.2.1 [INFO] [stderr] Downloaded flame v0.2.2 [INFO] [stderr] Downloaded arr_macro_impl v0.1.3 [INFO] [stderr] Downloaded hexf-parse v0.1.0 [INFO] [stderr] Downloaded rustyline v6.1.0 [INFO] [stderr] Downloaded is-macro v0.1.8 [INFO] [stderr] Downloaded unic-normal v0.9.0 [INFO] [stderr] Downloaded dirs v2.0.1 [INFO] [stderr] Downloaded instant v0.1.4 [INFO] [stderr] Downloaded lock_api v0.4.0 [INFO] [stderr] Downloaded unicode-casing v0.1.0 [INFO] [stderr] Downloaded unic-ucd-age v0.9.0 [INFO] [stderr] Downloaded unic-ucd-category v0.9.0 [INFO] [stderr] Downloaded unic-ucd-normal v0.9.0 [INFO] [stderr] Downloaded subprocess v0.2.4 [INFO] [stderr] Downloaded unic-ucd-bidi v0.9.0 [INFO] [stderr] Downloaded unic-ucd-hangul v0.9.0 [INFO] [stderr] Downloaded openssl-src v111.8.1+1.1.1f [INFO] [stderr] Downloaded arr_macro v0.1.3 [INFO] [stderr] Downloaded flamer v0.3.0 [INFO] [stderr] Downloaded generational-arena v0.2.3 [INFO] [stderr] Downloaded dns-lookup v1.0.1 [INFO] [stderr] Downloaded flamescope v0.1.1 [INFO] [stderr] Downloaded smallbox v0.8.0 [INFO] [stderr] Downloaded result-like v0.2.1 [INFO] [stderr] Downloaded mt19937 v1.0.1 [INFO] [stderr] Downloaded rustpython-derive v0.1.2 [INFO] [stderr] Downloaded volatile v0.2.6 [INFO] [stderr] Downloaded pwd v1.3.0 [INFO] [stderr] Downloaded rustpython-vm v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bf4676303193ea8bde2f1372cc4bf2b01f28ea5fffec9368f84aaf58cf6e6bbb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bf4676303193ea8bde2f1372cc4bf2b01f28ea5fffec9368f84aaf58cf6e6bbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf4676303193ea8bde2f1372cc4bf2b01f28ea5fffec9368f84aaf58cf6e6bbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf4676303193ea8bde2f1372cc4bf2b01f28ea5fffec9368f84aaf58cf6e6bbb", kill_on_drop: false }` [INFO] [stdout] bf4676303193ea8bde2f1372cc4bf2b01f28ea5fffec9368f84aaf58cf6e6bbb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd84d24f581bf35904738b0ccd3ea1e2149f17368da499b71137a624fb07ebfe [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "dd84d24f581bf35904738b0ccd3ea1e2149f17368da499b71137a624fb07ebfe", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Compiling smallvec v1.4.0 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling subtle v1.0.0 [INFO] [stderr] Compiling instant v0.1.4 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling rustpython-vm v0.1.2 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling utf8parse v0.2.0 [INFO] [stderr] Compiling once_cell v1.3.1 [INFO] [stderr] Compiling exitcode v1.1.2 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling smallbox v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling hexf-parse v0.1.0 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling volatile v0.2.6 [INFO] [stderr] Compiling unicode-casing v0.1.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling generational-arena v0.2.3 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling lock_api v0.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling unic-ucd-hangul v0.9.0 [INFO] [stderr] Compiling unic-ucd-bidi v0.9.0 [INFO] [stderr] Compiling unic-ucd-age v0.9.0 [INFO] [stderr] Compiling unic-ucd-category v0.9.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling unic-ucd-normal v0.9.0 [INFO] [stderr] Compiling lexical-core v0.6.2 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Compiling lexical v4.0.0 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling unic-bidi v0.9.0 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc_version_runtime-550011522487f208/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:48 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55bbe61f1990 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::libunwind::trace [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55bbe61f1990 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55bbe61f1990 - std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55bbe61f1990 - ::fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55bbe620ea1c - core[ee1ca6415511a9c4]::fmt::write [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x55bbe61efa75 - ::write_fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55bbe61f362b - std[77c0456e0eb29f0c]::sys_common::backtrace::_print [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55bbe61f362b - std[77c0456e0eb29f0c]::sys_common::backtrace::print [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55bbe61f362b - std[77c0456e0eb29f0c]::panicking::default_hook::{closure#1} [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55bbe61f3101 - std[77c0456e0eb29f0c]::panicking::default_hook [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55bbe61f3cd1 - std[77c0456e0eb29f0c]::panicking::rust_panic_with_hook [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55bbe61f37d7 - std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0} [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55bbe61f1e8c - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55bbe61f3739 - rust_begin_unwind [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55bbe61bd051 - core[ee1ca6415511a9c4]::panicking::panic_fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55bbe61bd0e3 - core[ee1ca6415511a9c4]::result::unwrap_failed [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55bbe61c0cee - >::unwrap [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55bbe61be34e - build_script_build[f1f087133d9de61a]::main [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:17 [INFO] [stderr] 18: 0x55bbe61bf70b - >::call_once [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55bbe61bf88e - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_begin_short_backtrace:: [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55bbe61bf4a1 - std[77c0456e0eb29f0c]::rt::lang_start::<()>::{closure#0} [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55bbe61f41c9 - <&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55bbe61f41c9 - std[77c0456e0eb29f0c]::panicking::try::do_call::<&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync, i32> [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x55bbe61f41c9 - std[77c0456e0eb29f0c]::panicking::try:: + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync> [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x55bbe61f41c9 - std[77c0456e0eb29f0c]::panic::catch_unwind::<&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync, i32> [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433:14 [INFO] [stderr] 25: 0x55bbe61f41c9 - std[77c0456e0eb29f0c]::rt::lang_start_internal [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55bbe61bf480 - std[77c0456e0eb29f0c]::rt::lang_start::<()> [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55bbe61bf44c - main [INFO] [stderr] 28: 0x7f2daef1d0b3 - __libc_start_main [INFO] [stderr] 29: 0x55bbe61bd7ae - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "dd84d24f581bf35904738b0ccd3ea1e2149f17368da499b71137a624fb07ebfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd84d24f581bf35904738b0ccd3ea1e2149f17368da499b71137a624fb07ebfe", kill_on_drop: false }` [INFO] [stdout] dd84d24f581bf35904738b0ccd3ea1e2149f17368da499b71137a624fb07ebfe