[INFO] fetching crate fortytwo 42.0.0...
[INFO] checking fortytwo-42.0.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate fortytwo 42.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate fortytwo 42.0.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fortytwo 42.0.0
[INFO] finished tweaking crates.io crate fortytwo 42.0.0
[INFO] tweaked toml for crates.io crate fortytwo 42.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate fortytwo 42.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d90859616d186c9a9fc2f78eb3cd95b1ee00f9e1df4fd6f091b57074eb226fce
[INFO] running `Command { std: "docker" "start" "-a" "d90859616d186c9a9fc2f78eb3cd95b1ee00f9e1df4fd6f091b57074eb226fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d90859616d186c9a9fc2f78eb3cd95b1ee00f9e1df4fd6f091b57074eb226fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90859616d186c9a9fc2f78eb3cd95b1ee00f9e1df4fd6f091b57074eb226fce", kill_on_drop: false }`
[INFO] [stdout] d90859616d186c9a9fc2f78eb3cd95b1ee00f9e1df4fd6f091b57074eb226fce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac58ad381d37347a950a62e56527c2f79b0bc029ec71f50337b35b1f18a90523
[INFO] running `Command { std: "docker" "start" "-a" "ac58ad381d37347a950a62e56527c2f79b0bc029ec71f50337b35b1f18a90523", kill_on_drop: false }`
[INFO] [stderr]    Compiling fortytwo v42.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `fortytwo v42.0.0 (/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/fortytwo-b036ad558af13e32/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:20:9:
[INFO] [stderr] 
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM `MM' VMMMMM
[INFO] [stderr]   MMMMMV  MV  MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM  VM  MMMMMM
[INFO] [stderr]   MMMMMM  M  mMMMMMMMMMMMMMMMMMMMV'"     "`VMMMMMMMMMMMMMM  MMMA `M  MM  MM
[INFO] [stderr]   MM  VM  M  MMMMMMMMMMMMMMMV"                 "VMMMMMMMMM.  'MM  M  M' .MM
[INFO] [stderr]   MM.  M  M  MV  VMMMMMMMV'                      "VMMMMMMMMM.  "  V  V .MMM
[INFO] [stderr]   MMA  V  M  M' ,MMMMMMV'                          "VMMMMMMMM.  ..     mMMM
[INFO] [stderr]   MMMA `     V  MMMMMM'                              `VMMMMMMm  "S"   mMMMM
[INFO] [stderr]   MMMM  .,.,   AMMMMV                                 `VMMM"""   :   .MMMMM
[INFO] [stderr]   MMMM  "B"   MMMMMV                                    M"      .'  .MMMMMM
[INFO] [stderr]   MMMM   :   AV"  V                                     `   .mm.    MMMMMMM
[INFO] [stderr]   MMMM.  `.                                              ..MMMMMm   MMMMMMM
[INFO] [stderr]   MMMMM.. .  .mMMV  .                                   . VMMMMMMA   VMMMMM
[INFO] [stderr]   MMMMMM  AMMMMMM'  *         <^@^>        <==>        .* 'MMMMMMm    MMMMM
[INFO] [stderr]   MMMMM'  MMMMMMV  .I                                 .a@. V'"MMMMA    MMMM
[INFO] [stderr]   MMMMM   MMMMMM(  a@:.                             .' @@! .   "MMMm    MMM
[INFO] [stderr]   MMMM'   MMMV""'  !@a :.                         .';.a@@R ,             MM
[INFO] [stderr]   MMMV    MV"   :  :@@@: :.                     .:  a@@@@! ..............mM
[INFO] [stderr]   MMM'          .  `@@@@ : `...             ..:' : a@@@@@' MMMMMMMMMMMMMMMM
[INFO] [stderr]   MMM  ..........   @@@@@a  :  :'`:`------':  :  a@@@@@@@  MMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMA   `@@@@@@@a  :  :   ::   :  a@@@@@@@@@' :MMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMM.   `@@@@@@@@@@aaA. .;|. .Aaa@@@@@@@@@' .AMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMM.   `@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@   mMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMM.    @@@@@@@@@@@"oOo.oOOo"@@@@@@@'   mMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMm    `@@@@@@@"OOOOOOxOOOOO"@@@V    mMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMA.     `@@@"OOOOOOOOxOOOOO"@'   .AMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMA.     ""V@@AOOOOOOxOOOOO.  .AMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMm.       `OOOOOOOxXOOOo.mMMMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMMMMAm..   `OOOOOOoxOOOO:MMMMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMA`OOOOOOOxOOOO:MMMMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMA`OOOOOOxOOOO;MMMMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMA`OOOOOOOOO;AMMMMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMA`OOOOOO;AMMMMMMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   WIZMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMmmmmmmMMMMMMMMMMMMMMMMMMMMMMMMM*MJJ
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]                      88888b   888    88b  88 88  d888b  88
[INFO] [stderr]                      88   88 88 88   888b 88 88 88   `  88
[INFO] [stderr]                      88888P 88   88  88`8b88 88 88      88
[INFO] [stderr]                      88    d8888888b 88 `888 88 88   ,  `"
[INFO] [stderr]                      88    88     8b 88  `88 88  T888P  88
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   It is said that despite its many glaring (and occasionally fatal) inaccuracies,
[INFO] [stderr]   the Rust Compiler Version 42 has outsold the Encyclopedia Galactica Compiler Collection
[INFO] [stderr]   because it is slightly cheaper,
[INFO] [stderr]   and because it has the words 'DON'T PANIC' in large, friendly letters on the cover.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55b6322580c5 - std::backtrace_rs::backtrace::libunwind::trace::hf6d84d188eed4942
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x55b6322580c5 - std::backtrace_rs::backtrace::trace_unsynchronized::hb841ab02b27b2a81
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55b6322580c5 - std::sys_common::backtrace::_print_fmt::h7d09263e980d2dc2
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55b6322580c5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8710a3386e66dc13
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55b632278d6b - core::fmt::rt::Argument::fmt::h56356193ea14b69e
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]      5:     0x55b632278d6b - core::fmt::write::ha8a35e57fe29df69
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/fmt/mod.rs:1157:21
[INFO] [stderr]      6:     0x55b632255f6f - std::io::Write::write_fmt::h070417d35cbd0295
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/io/mod.rs:1832:15
[INFO] [stderr]      7:     0x55b632257e9e - std::sys_common::backtrace::_print::h98c81ef11000e712
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55b632257e9e - std::sys_common::backtrace::print::hb4fda26b0eb411fc
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55b632259159 - std::panicking::default_hook::{{closure}}::h58b999a8a8b72663
[INFO] [stderr]     10:     0x55b632258e9d - std::panicking::default_hook::h9ee81ffa3eaff881
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:298:9
[INFO] [stderr]     11:     0x55b6322595f3 - std::panicking::rust_panic_with_hook::h7cf1f420e89ee254
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:795:13
[INFO] [stderr]     12:     0x55b6322594d4 - std::panicking::begin_panic_handler::{{closure}}::h1e92862156407829
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:664:13
[INFO] [stderr]     13:     0x55b632258589 - std::sys_common::backtrace::__rust_end_short_backtrace::hdb9396439049b139
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55b632259207 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:652:5
[INFO] [stderr]     15:     0x55b632225f53 - core::panicking::panic_fmt::hb6b8317cb2c3be4c
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55b632227ca0 - build_script_build::main::hd9fc13eea626ffa4
[INFO] [stderr]     17:     0x55b632226903 - core::ops::function::FnOnce::call_once::ha8818e5a629fb053
[INFO] [stderr]     18:     0x55b632226656 - std::sys_common::backtrace::__rust_begin_short_backtrace::h44a0b1b2ff041d45
[INFO] [stderr]     19:     0x55b6322266a9 - std::rt::lang_start::{{closure}}::h7471e4125fe1d485
[INFO] [stderr]     20:     0x55b632252f16 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hed2c947f9885a74b
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x55b632252f16 - std::panicking::try::do_call::hb89329b1c9c22cc4
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:559:40
[INFO] [stderr]     22:     0x55b632252f16 - std::panicking::try::h32506f612ff970ae
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:523:19
[INFO] [stderr]     23:     0x55b632252f16 - std::panic::catch_unwind::hb921c12c6fd21966
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panic.rs:149:14
[INFO] [stderr]     24:     0x55b632252f16 - std::rt::lang_start_internal::{{closure}}::h525d7c9c8d9957db
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/rt.rs:141:48
[INFO] [stderr]     25:     0x55b632252f16 - std::panicking::try::do_call::hc05b1198989502ae
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:559:40
[INFO] [stderr]     26:     0x55b632252f16 - std::panicking::try::h4ecd1dd6f6f1e3ba
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:523:19
[INFO] [stderr]     27:     0x55b632252f16 - std::panic::catch_unwind::h92b0390d9e8eb6ea
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panic.rs:149:14
[INFO] [stderr]     28:     0x55b632252f16 - std::rt::lang_start_internal::he4964f7a9f7ed816
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/rt.rs:141:20
[INFO] [stderr]     29:     0x55b632226687 - std::rt::lang_start::hab3477479ca6c42a
[INFO] [stderr]     30:     0x55b632227cd5 - main
[INFO] [stderr]     31:     0x7f5435e49d90 - <unknown>
[INFO] [stderr]     32:     0x7f5435e49e40 - __libc_start_main
[INFO] [stderr]     33:     0x55b632226585 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "ac58ad381d37347a950a62e56527c2f79b0bc029ec71f50337b35b1f18a90523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac58ad381d37347a950a62e56527c2f79b0bc029ec71f50337b35b1f18a90523", kill_on_drop: false }`
[INFO] [stdout] ac58ad381d37347a950a62e56527c2f79b0bc029ec71f50337b35b1f18a90523
[INFO] checking fortytwo-42.0.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate fortytwo 42.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate fortytwo 42.0.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fortytwo 42.0.0
[INFO] finished tweaking crates.io crate fortytwo 42.0.0
[INFO] tweaked toml for crates.io crate fortytwo 42.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate fortytwo 42.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b7fabd21f0d0f061412682c43755b3d058fc48caabd060948e0cbca597ffbdf
[INFO] running `Command { std: "docker" "start" "-a" "3b7fabd21f0d0f061412682c43755b3d058fc48caabd060948e0cbca597ffbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b7fabd21f0d0f061412682c43755b3d058fc48caabd060948e0cbca597ffbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7fabd21f0d0f061412682c43755b3d058fc48caabd060948e0cbca597ffbdf", kill_on_drop: false }`
[INFO] [stdout] 3b7fabd21f0d0f061412682c43755b3d058fc48caabd060948e0cbca597ffbdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75817543267aee649b0e81d3ee2d7ca22f820b9103df0ad03e00929c4c49eb43
[INFO] running `Command { std: "docker" "start" "-a" "75817543267aee649b0e81d3ee2d7ca22f820b9103df0ad03e00929c4c49eb43", kill_on_drop: false }`
[INFO] [stderr]    Compiling fortytwo v42.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `fortytwo v42.0.0 (/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/fortytwo-b036ad558af13e32/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:20:9:
[INFO] [stderr] 
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM `MM' VMMMMM
[INFO] [stderr]   MMMMMV  MV  MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM  VM  MMMMMM
[INFO] [stderr]   MMMMMM  M  mMMMMMMMMMMMMMMMMMMMV'"     "`VMMMMMMMMMMMMMM  MMMA `M  MM  MM
[INFO] [stderr]   MM  VM  M  MMMMMMMMMMMMMMMV"                 "VMMMMMMMMM.  'MM  M  M' .MM
[INFO] [stderr]   MM.  M  M  MV  VMMMMMMMV'                      "VMMMMMMMMM.  "  V  V .MMM
[INFO] [stderr]   MMA  V  M  M' ,MMMMMMV'                          "VMMMMMMMM.  ..     mMMM
[INFO] [stderr]   MMMA `     V  MMMMMM'                              `VMMMMMMm  "S"   mMMMM
[INFO] [stderr]   MMMM  .,.,   AMMMMV                                 `VMMM"""   :   .MMMMM
[INFO] [stderr]   MMMM  "B"   MMMMMV                                    M"      .'  .MMMMMM
[INFO] [stderr]   MMMM   :   AV"  V                                     `   .mm.    MMMMMMM
[INFO] [stderr]   MMMM.  `.                                              ..MMMMMm   MMMMMMM
[INFO] [stderr]   MMMMM.. .  .mMMV  .                                   . VMMMMMMA   VMMMMM
[INFO] [stderr]   MMMMMM  AMMMMMM'  *         <^@^>        <==>        .* 'MMMMMMm    MMMMM
[INFO] [stderr]   MMMMM'  MMMMMMV  .I                                 .a@. V'"MMMMA    MMMM
[INFO] [stderr]   MMMMM   MMMMMM(  a@:.                             .' @@! .   "MMMm    MMM
[INFO] [stderr]   MMMM'   MMMV""'  !@a :.                         .';.a@@R ,             MM
[INFO] [stderr]   MMMV    MV"   :  :@@@: :.                     .:  a@@@@! ..............mM
[INFO] [stderr]   MMM'          .  `@@@@ : `...             ..:' : a@@@@@' MMMMMMMMMMMMMMMM
[INFO] [stderr]   MMM  ..........   @@@@@a  :  :'`:`------':  :  a@@@@@@@  MMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMA   `@@@@@@@a  :  :   ::   :  a@@@@@@@@@' :MMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMM.   `@@@@@@@@@@aaA. .;|. .Aaa@@@@@@@@@' .AMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMM.   `@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@   mMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMM.    @@@@@@@@@@@"oOo.oOOo"@@@@@@@'   mMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMm    `@@@@@@@"OOOOOOxOOOOO"@@@V    mMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMA.     `@@@"OOOOOOOOxOOOOO"@'   .AMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMA.     ""V@@AOOOOOOxOOOOO.  .AMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMm.       `OOOOOOOxXOOOo.mMMMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMMMMAm..   `OOOOOOoxOOOO:MMMMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMA`OOOOOOOxOOOO:MMMMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMA`OOOOOOxOOOO;MMMMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMA`OOOOOOOOO;AMMMMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMA`OOOOOO;AMMMMMMMMMMMMMMMMMMMMMMMMMMM
[INFO] [stderr]   WIZMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMmmmmmmMMMMMMMMMMMMMMMMMMMMMMMMM*MJJ
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]                      88888b   888    88b  88 88  d888b  88
[INFO] [stderr]                      88   88 88 88   888b 88 88 88   `  88
[INFO] [stderr]                      88888P 88   88  88`8b88 88 88      88
[INFO] [stderr]                      88    d8888888b 88 `888 88 88   ,  `"
[INFO] [stderr]                      88    88     8b 88  `88 88  T888P  88
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   It is said that despite its many glaring (and occasionally fatal) inaccuracies,
[INFO] [stderr]   the Rust Compiler Version 42 has outsold the Encyclopedia Galactica Compiler Collection
[INFO] [stderr]   because it is slightly cheaper,
[INFO] [stderr]   and because it has the words 'DON'T PANIC' in large, friendly letters on the cover.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55a51eb840c5 - std::backtrace_rs::backtrace::libunwind::trace::hdfeb580427d8933a
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x55a51eb840c5 - std::backtrace_rs::backtrace::trace_unsynchronized::h2ab9303b28c241a4
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55a51eb840c5 - std::sys_common::backtrace::_print_fmt::h619cfc7eb9ab5b5f
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55a51eb840c5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he16efdaf40e8eef7
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55a51eba4d6b - core::fmt::rt::Argument::fmt::h9f13baa13e8b36b1
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]      5:     0x55a51eba4d6b - core::fmt::write::hae8f3928a7d1fb9f
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/fmt/mod.rs:1157:21
[INFO] [stderr]      6:     0x55a51eb81f6f - std::io::Write::write_fmt::h51b0278883ceca93
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/io/mod.rs:1832:15
[INFO] [stderr]      7:     0x55a51eb83e9e - std::sys_common::backtrace::_print::ha38797bab2b77f4a
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55a51eb83e9e - std::sys_common::backtrace::print::ha10bfc6bd1633494
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55a51eb85159 - std::panicking::default_hook::{{closure}}::h71e248ada3a684d2
[INFO] [stderr]     10:     0x55a51eb84e9d - std::panicking::default_hook::hd99e3a7061b2ddee
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:298:9
[INFO] [stderr]     11:     0x55a51eb855f3 - std::panicking::rust_panic_with_hook::h7c7bce4a41c281ff
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:795:13
[INFO] [stderr]     12:     0x55a51eb854d4 - std::panicking::begin_panic_handler::{{closure}}::h2460704575d1c9aa
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:664:13
[INFO] [stderr]     13:     0x55a51eb84589 - std::sys_common::backtrace::__rust_end_short_backtrace::hbe07398721317bb0
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55a51eb85207 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:652:5
[INFO] [stderr]     15:     0x55a51eb51f53 - core::panicking::panic_fmt::h621d774f51b1ce55
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55a51eb53ca0 - build_script_build::main::h44d01972a2395c74
[INFO] [stderr]     17:     0x55a51eb528d3 - core::ops::function::FnOnce::call_once::h67f18f357b9e2139
[INFO] [stderr]     18:     0x55a51eb52656 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcf7f9a2219046806
[INFO] [stderr]     19:     0x55a51eb526a9 - std::rt::lang_start::{{closure}}::hbded612b83c576b0
[INFO] [stderr]     20:     0x55a51eb7ef16 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6a158acb8f1b53eb
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x55a51eb7ef16 - std::panicking::try::do_call::h1e4aaada6483a32f
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:559:40
[INFO] [stderr]     22:     0x55a51eb7ef16 - std::panicking::try::h1af07f2910174530
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:523:19
[INFO] [stderr]     23:     0x55a51eb7ef16 - std::panic::catch_unwind::h14ab2010dc264db0
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panic.rs:149:14
[INFO] [stderr]     24:     0x55a51eb7ef16 - std::rt::lang_start_internal::{{closure}}::ha4f1e133f590a2bc
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/rt.rs:141:48
[INFO] [stderr]     25:     0x55a51eb7ef16 - std::panicking::try::do_call::h0f5241dc2333fd63
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:559:40
[INFO] [stderr]     26:     0x55a51eb7ef16 - std::panicking::try::h2de8e037aeb49eae
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:523:19
[INFO] [stderr]     27:     0x55a51eb7ef16 - std::panic::catch_unwind::h655cf7c8daff0fce
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panic.rs:149:14
[INFO] [stderr]     28:     0x55a51eb7ef16 - std::rt::lang_start_internal::h0546893e62f1752b
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/rt.rs:141:20
[INFO] [stderr]     29:     0x55a51eb52687 - std::rt::lang_start::he6adf495f2ad032b
[INFO] [stderr]     30:     0x55a51eb53cd5 - main
[INFO] [stderr]     31:     0x7fb9d37fed90 - <unknown>
[INFO] [stderr]     32:     0x7fb9d37fee40 - __libc_start_main
[INFO] [stderr]     33:     0x55a51eb52585 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "75817543267aee649b0e81d3ee2d7ca22f820b9103df0ad03e00929c4c49eb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75817543267aee649b0e81d3ee2d7ca22f820b9103df0ad03e00929c4c49eb43", kill_on_drop: false }`
[INFO] [stdout] 75817543267aee649b0e81d3ee2d7ca22f820b9103df0ad03e00929c4c49eb43
