[INFO] cloning repository https://github.com/RustPython/RustPython
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RustPython/RustPython" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustPython%2FRustPython", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustPython%2FRustPython'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22322fafe7f13c26cb7ab0336597013c3c95ffc1
[INFO] checking RustPython/RustPython against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustPython%2FRustPython" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RustPython/RustPython on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RustPython/RustPython
[INFO] finished tweaking git repo https://github.com/RustPython/RustPython
[INFO] tweaked toml for git repo https://github.com/RustPython/RustPython written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/RustPython/RustPython already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Amanieu/parking_lot`
[INFO] [stderr]     Updating git repository `https://github.com/RustPython/sre-engine`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Amanieu/parking_lot`
[INFO] [stderr]     Updating git repository `https://github.com/RustPython/sre-engine`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pico-args v0.4.0
[INFO] [stderr]   Downloaded gethostname v0.2.1
[INFO] [stderr]   Downloaded similar v1.3.0
[INFO] [stderr]   Downloaded target-lexicon v0.11.2
[INFO] [stderr]   Downloaded lalrpop v0.19.5
[INFO] [stderr]   Downloaded pmutil v0.5.3
[INFO] [stderr]   Downloaded is-macro v0.1.9
[INFO] [stderr]   Downloaded rustyline v6.3.0
[INFO] [stderr]   Downloaded lalrpop-util v0.19.5
[INFO] [stderr]   Downloaded dirs-next v1.0.2
[INFO] [stderr]   Downloaded insta v1.7.0
[INFO] [stderr]   Downloaded cranelift-jit v0.69.0
[INFO] [stderr]   Downloaded unic-ucd-category v0.9.0
[INFO] [stderr]   Downloaded flamer v0.4.0
[INFO] [stderr]   Downloaded libffi-sys v1.1.0
[INFO] [stderr]   Downloaded python3-sys v0.5.2
[INFO] [stderr]   Downloaded flamescope v0.1.1
[INFO] [stderr]   Downloaded timsort v0.1.2
[INFO] [stderr]   Downloaded unic-ucd-bidi v0.9.0
[INFO] [stderr]   Downloaded regalloc v0.0.31
[INFO] [stderr]   Downloaded abort_on_panic v2.0.0
[INFO] [stderr]   Downloaded cpython v0.5.2
[INFO] [stderr]   Downloaded mt19937 v2.0.0
[INFO] [stderr]   Downloaded unicode-casing v0.1.0
[INFO] [stderr]   Downloaded volatile v0.3.0
[INFO] [stderr]   Downloaded serde-wasm-bindgen v0.1.3
[INFO] [stderr]   Downloaded unic-ucd-ident v0.9.0
[INFO] [stderr]   Downloaded result-like v0.3.0
[INFO] [stderr]   Downloaded unic-ucd-age v0.9.0
[INFO] [stderr]   Downloaded unicode_names2 v0.4.0
[INFO] [stderr]   Downloaded unic-ucd-normal v0.9.0
[INFO] [stderr]   Downloaded cranelift v0.69.0
[INFO] [stderr]   Downloaded raw-cpuid v8.1.2
[INFO] [stderr]   Downloaded cranelift-native v0.69.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.69.0
[INFO] [stderr]   Downloaded unic-emoji-char v0.9.0
[INFO] [stderr]   Downloaded puruspe v0.1.5
[INFO] [stderr]   Downloaded cranelift-module v0.69.0
[INFO] [stderr]   Downloaded cranelift-entity v0.69.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.69.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.69.0
[INFO] [stderr]   Downloaded lz4_flex v0.7.5
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.69.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.69.0
[INFO] [stderr]   Downloaded syn-ext v0.2.2
[INFO] [stderr]   Downloaded unic-ucd-hangul v0.9.0
[INFO] [stderr]   Downloaded unic-normal v0.9.0
[INFO] [stderr]   Downloaded libffi v1.0.0
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b4bb01c9c6605d07abca4a47b647c1cf0496f4a9ba6f781eb7bf4582b8b3d8c
[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" "5b4bb01c9c6605d07abca4a47b647c1cf0496f4a9ba6f781eb7bf4582b8b3d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b4bb01c9c6605d07abca4a47b647c1cf0496f4a9ba6f781eb7bf4582b8b3d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4bb01c9c6605d07abca4a47b647c1cf0496f4a9ba6f781eb7bf4582b8b3d8c", kill_on_drop: false }`
[INFO] [stdout] 5b4bb01c9c6605d07abca4a47b647c1cf0496f4a9ba6f781eb7bf4582b8b3d8c
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5f9820a153b66115a9cd3593c1145585e6bbb46abb4bf8111ce883975ab498d
[INFO] running `Command { std: "docker" "start" "-a" "e5f9820a153b66115a9cd3593c1145585e6bbb46abb4bf8111ce883975ab498d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling pico-args v0.4.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking lz4_flex v0.7.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode_names2 v0.4.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking volatile v0.3.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking hexf-parse v0.1.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking puruspe v0.1.5
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking timsort v0.1.2
[INFO] [stderr]     Checking unicode-casing v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.71
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling cranelift-entity v0.69.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.69.0
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]    Compiling target-lexicon v0.11.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling cpython v0.5.2
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.71
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking abort_on_panic v2.0.0
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking lock_api v0.4.2 (https://github.com/Amanieu/parking_lot#2b3032f9)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.69.0
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking cranelift-bforest v0.69.0
[INFO] [stderr]    Compiling libffi-sys v1.1.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]     Checking unic-ucd-hangul v0.9.0
[INFO] [stderr]     Checking unic-emoji-char v0.9.0
[INFO] [stderr]     Checking unic-ucd-ident v0.9.0
[INFO] [stderr]     Checking unic-ucd-age v0.9.0
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling rustpython-vm v0.1.2 (/opt/rustwide/workdir/vm)
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking unic-ucd-normal v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking unic-normal v0.9.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking dns-lookup v1.0.5
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking console v0.14.0
[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-78348a723a8f21f8/build-script-build` (exit code: 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:     0x562a91be92a0 - std::backtrace_rs::backtrace::libunwind::trace::hb4de9797f80b7b8c
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x562a91be92a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h59566d0bd20efff7
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x562a91be92a0 - std::sys_common::backtrace::_print_fmt::hcfa5ce6be50275d4
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x562a91be92a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd8c307a38b9bab04
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x562a91c07cfc - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x562a91be6b02 - std::io::Write::write_fmt::hab90295d5a0f197d
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/io/mod.rs:1568:15
[INFO] [stderr]      6:     0x562a91beaff5 - std::sys_common::backtrace::_print::h19224910b8700cf1
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x562a91beaff5 - std::sys_common::backtrace::print::h25dedfa68c5fb84a
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x562a91beaff5 - std::panicking::default_hook::{{closure}}::h12c5765653a72a42
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x562a91beaaa3 - std::panicking::default_hook::he65cee71c4209f0c
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x562a91beb791 - std::panicking::rust_panic_with_hook::h01a674d863fe0d8a
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x562a91beb2d7 - std::panicking::begin_panic_handler::{{closure}}::h9b9fecf185178864
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x562a91be973c - std::sys_common::backtrace::__rust_end_short_backtrace::h57be46a42dc7f24b
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x562a91beb239 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x562a91c06f41 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x562a91c06d63 - core::option::expect_none_failed::hc6d6d4cea4fdc285
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/option.rs:1300:5
[INFO] [stderr]     16:     0x562a91bcf2f7 - core::result::Result<T,E>::unwrap::h0a35a0c109ee3a11
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x562a91bcf2f7 - build_script_build::main::h33e67bfed6d887d2
[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:     0x562a91bcf766 - core::ops::function::FnOnce::call_once::ha2f4ffb9c1435526
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x562a91bcf766 - std::sys_common::backtrace::__rust_begin_short_backtrace::h69d2ed6ea1fb2986
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x562a91bd062c - std::rt::lang_start::{{closure}}::h333d3a8eaa3829fa
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x562a91bebbaa - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2c4fd7d4128112a8
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x562a91bebbaa - std::panicking::try::do_call::h41fb7dbbbe7bece6
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x562a91bebbaa - std::panicking::try::hd38008ccba72bce1
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x562a91bebbaa - std::panic::catch_unwind::h057e765cd60f2d13
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x562a91bebbaa - std::rt::lang_start_internal::hdb9d0b9d2cdcda8b
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x562a91bcf5cb - main
[INFO] [stderr]     27:     0x7f45bf9b00b3 - __libc_start_main
[INFO] [stderr]     28:     0x562a91bce09e - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e5f9820a153b66115a9cd3593c1145585e6bbb46abb4bf8111ce883975ab498d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f9820a153b66115a9cd3593c1145585e6bbb46abb4bf8111ce883975ab498d", kill_on_drop: false }`
[INFO] [stdout] e5f9820a153b66115a9cd3593c1145585e6bbb46abb4bf8111ce883975ab498d