[INFO] cloning repository https://github.com/sanderbockstaele/math [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sanderbockstaele/math" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanderbockstaele%2Fmath", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanderbockstaele%2Fmath'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1060a28203138295dfb5c9f5467ff06176d90980 [INFO] testing sanderbockstaele/math against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanderbockstaele%2Fmath" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sanderbockstaele/math on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sanderbockstaele/math [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/sanderbockstaele/math [INFO] tweaked toml for git repo https://github.com/sanderbockstaele/math written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 784a2f46772e658f397ff34ea8941edc939092444eec1bf32406708bb5dd7464 [INFO] running `Command { std: "docker" "start" "-a" "784a2f46772e658f397ff34ea8941edc939092444eec1bf32406708bb5dd7464", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "784a2f46772e658f397ff34ea8941edc939092444eec1bf32406708bb5dd7464", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "784a2f46772e658f397ff34ea8941edc939092444eec1bf32406708bb5dd7464", kill_on_drop: false }` [INFO] [stdout] 784a2f46772e658f397ff34ea8941edc939092444eec1bf32406708bb5dd7464 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0e18b19bef2aa629723b1ed605c3606b8615f1f19898156d011104399d59af8 [INFO] running `Command { std: "docker" "start" "-a" "a0e18b19bef2aa629723b1ed605c3606b8615f1f19898156d011104399d59af8", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling khronos_api v3.1.0 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling xdg v2.2.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling emath v0.9.0 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling rustc-demangle v0.1.20 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling emath v0.11.0 [INFO] [stderr] Compiling array2d v0.2.1 [INFO] [stderr] Compiling prev-iter v0.1.2 [INFO] [stderr] Compiling addr2line v0.15.2 [INFO] [stderr] Compiling libloading v0.7.0 [INFO] [stderr] Compiling instant v0.1.10 [INFO] [stderr] Compiling libloading v0.6.7 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling xcb v0.8.2 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling dlib v0.5.0 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling dlib v0.4.2 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling input v0.1.0 (/opt/rustwide/workdir/input) [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> input/src/token.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let mut result: bool = false; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stdout] warning: constant is never used: `LETTER` [INFO] [stdout] --> input/src/token.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | / const LETTER: [char; 52] = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p' [INFO] [stdout] 5 | | ,'q','r','s','t','u','v','w','x','y','z','A','B','C','D','E','F','G','H','I','J','K','L','M', [INFO] [stdout] 6 | | 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z']; [INFO] [stdout] | |_____________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nix v0.20.0 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Compiling andrew v0.3.1 [INFO] [stderr] Compiling nom v6.2.1 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling algebra v0.1.0 (/opt/rustwide/workdir/algebra) [INFO] [stdout] warning: unused variable: `result_stack` [INFO] [stdout] --> algebra/src/solve.rs:100:13 [INFO] [stdout] | [INFO] [stdout] 100 | let mut result_stack: Vec = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_stack` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling wayland-sys v0.28.6 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> algebra/src/solve.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | let mut result_stack: Vec = vec![]; [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `convert_to_u64` [INFO] [stdout] --> algebra/src/solve.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn convert_to_u64(input: String) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sqrt` [INFO] [stdout] --> algebra/src/solve.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn sqrt(input: f64) -> f64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `pow` [INFO] [stdout] --> algebra/src/solve.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn pow(input: f64, power: u64) -> f64{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_function_result` [INFO] [stdout] --> algebra/src/solve.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn get_function_result(function_name: String, arguments: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling wayland-scanner v0.28.6 [INFO] [stderr] error: failed to run custom build command for `xcb v0.8.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/xcb-6c95d95bb8bc632f/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] error occured in handler: ('request: ', ('xcb', 'DPMS', 'Info')) [INFO] [stderr] Traceback (most recent call last): [INFO] [stderr] File "/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/rs_client.py", line 2448, in [INFO] [stderr] module.generate() [INFO] [stderr] File "/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xcbgen/state.py", line 108, in generate [INFO] [stderr] self.close() [INFO] [stderr] File "/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/rs_client.py", line 296, in rs_close [INFO] [stderr] _f.writeout(os.path.join(module.rs_srcdir, "ffi", "%s.rs" % _module_name(_ns.ext_name))) [INFO] [stderr] File "/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/rs_client.py", line 114, in writeout [INFO] [stderr] with open(path, 'w') as f: [INFO] [stderr] OSError: [Errno 30] Read-only file system: '/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/src/ffi/dpms.rs' [INFO] [stderr] thread 'main' panicked at 'processing of /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xml/dpms.xml returned non-zero (1)', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75:17 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5620926574a0 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5620926574a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5620926574a0 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5620926574a0 - ::fmt::he312f4ad5b9bb346 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x56209267487c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x562092655205 - std::io::Write::write_fmt::h6aced00850e8186f [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/io/mod.rs:1665:15 [INFO] [stderr] 6: 0x56209265928b - std::sys_common::backtrace::_print::h65d996766de40da4 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x56209265928b - std::sys_common::backtrace::print::h40df9727e635f303 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x56209265928b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x562092658d61 - std::panicking::default_hook::h3d55120ad6ada158 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x562092659954 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x562092659437 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x56209265797c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x562092659399 - rust_begin_unwind [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x562092639b9b - std::panicking::begin_panic_fmt::hf70e90a601287d8b [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:457:5 [INFO] [stderr] 15: 0x56209263d6f9 - build_script_build::main::{{closure}}::hab2bb69a378bb620 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75:17 [INFO] [stderr] 16: 0x56209263c2f0 - build_script_build::visit_xml::h86814bd3a12c9361 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20:44 [INFO] [stderr] 17: 0x56209263ca80 - build_script_build::main::h3ee87f71b7ac9d98 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56:5 [INFO] [stderr] 18: 0x56209264175b - core::ops::function::FnOnce::call_once::ha73b082df5c3ef44 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x56209264299e - std::sys_common::backtrace::__rust_begin_short_backtrace::h2622d3992b186ece [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x562092640c11 - std::rt::lang_start::{{closure}}::hbba62048e1d41631 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/rt.rs:63:18 [INFO] [stderr] 21: 0x562092659e5a - core::ops::function::impls:: for &F>::call_once::h5a0483c8d4e9c15d [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x562092659e5a - std::panicking::try::do_call::h6ad7918f175f6ddd [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x562092659e5a - std::panicking::try::hcd5af58f52320690 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x562092659e5a - std::panic::catch_unwind::hf1ae33ba67228f1e [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14 [INFO] [stderr] 25: 0x562092659e5a - std::rt::lang_start_internal::{{closure}}::h4a87bc0aa1312dc5 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/rt.rs:45:48 [INFO] [stderr] 26: 0x562092659e5a - std::panicking::try::do_call::h1ade2a52932fc900 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40 [INFO] [stderr] 27: 0x562092659e5a - std::panicking::try::h6f4a87ad169e174b [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19 [INFO] [stderr] 28: 0x562092659e5a - std::panic::catch_unwind::h043c7f08019f9e2a [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14 [INFO] [stderr] 29: 0x562092659e5a - std::rt::lang_start_internal::h82825699ebfd70bd [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/rt.rs:45:20 [INFO] [stderr] 30: 0x562092640be0 - std::rt::lang_start::h8c72e46f30797248 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/rt.rs:62:5 [INFO] [stderr] 31: 0x56209263d75c - main [INFO] [stderr] 32: 0x7fddadd940b3 - __libc_start_main [INFO] [stderr] 33: 0x56209263a93e - _start [INFO] [stderr] 34: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a0e18b19bef2aa629723b1ed605c3606b8615f1f19898156d011104399d59af8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0e18b19bef2aa629723b1ed605c3606b8615f1f19898156d011104399d59af8", kill_on_drop: false }` [INFO] [stdout] a0e18b19bef2aa629723b1ed605c3606b8615f1f19898156d011104399d59af8