[INFO] cloning repository https://github.com/mrhatman/SuperSnake [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrhatman/SuperSnake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrhatman%2FSuperSnake", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrhatman%2FSuperSnake'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4d5d6f03450f82420ecfb9a855a1eec04cf22618 [INFO] testing mrhatman/SuperSnake against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrhatman%2FSuperSnake" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mrhatman/SuperSnake 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 git repo https://github.com/mrhatman/SuperSnake [INFO] finished tweaking git repo https://github.com/mrhatman/SuperSnake [INFO] tweaked toml for git repo https://github.com/mrhatman/SuperSnake written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/mrhatman/SuperSnake 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 erased-serde v0.3.9 [INFO] [stderr] Downloaded syn v1.0.9 [INFO] [stderr] Downloaded raw-window-handle v0.3.2 [INFO] [stderr] Downloaded inventory v0.1.4 [INFO] [stderr] Downloaded inventory-impl v0.1.4 [INFO] [stderr] Downloaded proc_macro_roids v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4b6d0741f86515fdda338c910e5a445a4e7148484d929f1463a25413cdf9f26b [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" "4b6d0741f86515fdda338c910e5a445a4e7148484d929f1463a25413cdf9f26b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b6d0741f86515fdda338c910e5a445a4e7148484d929f1463a25413cdf9f26b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b6d0741f86515fdda338c910e5a445a4e7148484d929f1463a25413cdf9f26b", kill_on_drop: false }` [INFO] [stdout] 4b6d0741f86515fdda338c910e5a445a4e7148484d929f1463a25413cdf9f26b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 7490b8caf69a0b66b7120d0e4276d0c87d599d3799e394b21319f653df012e6c [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" "7490b8caf69a0b66b7120d0e4276d0c87d599d3799e394b21319f653df012e6c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.9 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.103 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cc v1.0.47 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rayon-core v1.6.1 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling atom v0.3.5 [INFO] [stderr] Compiling same-file v1.0.5 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling downcast-rs v1.1.1 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling libm v0.1.4 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling mint v0.5.4 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling mopa v0.2.2 [INFO] [stderr] Compiling shrev v1.1.1 [INFO] [stderr] Compiling tuple_utils v0.3.0 [INFO] [stderr] Compiling colorful v0.2.1 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling static_assertions v0.3.4 [INFO] [stderr] Compiling tinystr v0.3.2 [INFO] [stderr] Compiling objekt v0.1.2 [INFO] [stderr] Compiling cgmath v0.16.1 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling xi-unicode v0.2.0 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling claxon v0.4.2 [INFO] [stderr] Compiling bitintr v0.3.0 [INFO] [stderr] Compiling fluent-syntax v0.9.1 [INFO] [stderr] Compiling float-ord v0.2.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling lock_api v0.3.2 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling walkdir v2.2.9 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling unic-langid-impl v0.6.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling rustc-hash v1.0.1 [INFO] [stderr] Compiling stb_truetype v0.3.1 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling ogg v0.7.0 [INFO] [stderr] Compiling crossbeam-queue v0.2.0 [INFO] [stderr] Compiling x11-dl v2.18.4 [INFO] [stderr] Compiling x11 v2.18.1 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.7 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling lexical-core v0.4.6 [INFO] [stderr] Compiling err-derive v0.1.6 [INFO] [stderr] Compiling lexical v2.2.2 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling raw-window-handle v0.3.2 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling raw-window-handle v0.1.2 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling slice-deque v0.2.4 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling xcb v0.8.2 [INFO] [stderr] Compiling generic-array v0.13.2 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling rand_core v0.5.1 [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: 0x55b11e984990 - 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: 0x55b11e984990 - 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: 0x55b11e984990 - std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55b11e984990 - ::fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55b11e9a1a1c - core[ee1ca6415511a9c4]::fmt::write [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x55b11e982a75 - ::write_fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55b11e98662b - std[77c0456e0eb29f0c]::sys_common::backtrace::_print [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55b11e98662b - std[77c0456e0eb29f0c]::sys_common::backtrace::print [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55b11e98662b - std[77c0456e0eb29f0c]::panicking::default_hook::{closure#1} [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55b11e986101 - std[77c0456e0eb29f0c]::panicking::default_hook [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55b11e986cd1 - std[77c0456e0eb29f0c]::panicking::rust_panic_with_hook [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55b11e9867d7 - std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0} [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55b11e984e8c - 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: 0x55b11e986739 - rust_begin_unwind [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55b11e950051 - core[ee1ca6415511a9c4]::panicking::panic_fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55b11e9500e3 - core[ee1ca6415511a9c4]::result::unwrap_failed [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55b11e953cee - >::unwrap [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55b11e95134e - 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: 0x55b11e95270b - >::call_once [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55b11e95288e - 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: 0x55b11e9524a1 - std[77c0456e0eb29f0c]::rt::lang_start::<()>::{closure#0} [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55b11e9871c9 - <&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: 0x55b11e9871c9 - 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: 0x55b11e9871c9 - 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: 0x55b11e9871c9 - 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: 0x55b11e9871c9 - std[77c0456e0eb29f0c]::rt::lang_start_internal [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55b11e952480 - std[77c0456e0eb29f0c]::rt::lang_start::<()> [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55b11e95244c - main [INFO] [stderr] 28: 0x7f4abf2c20b3 - __libc_start_main [INFO] [stderr] 29: 0x55b11e9507ae - _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" "7490b8caf69a0b66b7120d0e4276d0c87d599d3799e394b21319f653df012e6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7490b8caf69a0b66b7120d0e4276d0c87d599d3799e394b21319f653df012e6c", kill_on_drop: false }` [INFO] [stdout] 7490b8caf69a0b66b7120d0e4276d0c87d599d3799e394b21319f653df012e6c