[INFO] cloning repository https://github.com/davidtai/casper-erc-721
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidtai/casper-erc-721" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidtai%2Fcasper-erc-721", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidtai%2Fcasper-erc-721'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5adbb139c48088cb38c6fdd87b7005721f7c876
[INFO] documenting davidtai/casper-erc-721 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidtai%2Fcasper-erc-721" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidtai/casper-erc-721 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/davidtai/casper-erc-721
[INFO] finished tweaking git repo https://github.com/davidtai/casper-erc-721
[INFO] tweaked toml for git repo https://github.com/davidtai/casper-erc-721 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/davidtai/casper-erc-721 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bacaa7eff43563e8136f42aa947eee8423f8e91555d76a9e89ed59431f1be3e
[INFO] running `Command { std: "docker" "start" "-a" "7bacaa7eff43563e8136f42aa947eee8423f8e91555d76a9e89ed59431f1be3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bacaa7eff43563e8136f42aa947eee8423f8e91555d76a9e89ed59431f1be3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bacaa7eff43563e8136f42aa947eee8423f8e91555d76a9e89ed59431f1be3e", kill_on_drop: false }`
[INFO] [stdout] 7bacaa7eff43563e8136f42aa947eee8423f8e91555d76a9e89ed59431f1be3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b584146d88f10f9d6d0c45cdce6f8d9b30590bbf6ad8b2ad410e49d3837e7b1f
[INFO] running `Command { std: "docker" "start" "-a" "b584146d88f10f9d6d0c45cdce6f8d9b30590bbf6ad8b2ad410e49d3837e7b1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling schemars v0.8.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling protobuf v2.8.2
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling tests v0.2.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]    Compiling generic-array v0.14.4
[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 v1.6.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling lmdb-sys v0.8.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking bitvec v0.18.5
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking wee_alloc v0.4.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr] error: failed to run custom build command for `tests v0.2.0 (/opt/rustwide/workdir/tests)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/tests-6e085397e02fefb2/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=../contract/Cargo.toml
[INFO] [stderr]   cargo:rerun-if-changed=../contract/src/lib.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to build Wasm contracts:
[INFO] [stderr]   Output { status: ExitStatus(ExitStatus(25856)), stdout: "", stderr: "   Compiling proc-macro2 v1.0.26\n   Compiling syn v1.0.71\n   Compiling unicode-xid v0.2.2\n   Compiling version_check v0.9.3\n   Compiling typenum v1.13.0\n   Compiling getrandom v0.1.16\n   Compiling cfg-if v1.0.0\n   Compiling autocfg v1.0.1\n   Compiling serde_derive v1.0.125\n   Compiling subtle v2.4.0\n   Compiling serde v1.0.125\n   Compiling radium v0.3.0\n   Compiling wyz v0.2.0\n   Compiling funty v1.1.0\n   Compiling ryu v1.0.5\n   Compiling matches v0.1.8\nerror[E0463]: can't find crate for `core`\n  |\n  = note: the `wasm32-unknown-unknown` target may not be installed\n  = help: consider downloading the target with `rustup target add wasm32-unknown-unknown`\n\nerror: aborting due to previous error\n\nFor more information about this error, try `rustc --explain E0463`.\n   Compiling bitflags v1.2.1\nerror: could not compile `subtle`\n\nTo learn more, run the command again with --verbose.\nwarning: build failed, waiting for other jobs to finish...\nerror[E0463]: can't find crate for `core`\n  |\n  = note: the `wasm32-unknown-unknown` target may not be installed\n  = help: consider downloading the target with `rustup target add wasm32-unknown-unknown`\n\nerror: aborting due to previous error\n\nFor more information about this error, try `rustc --explain E0463`.\nerror[E0463]: can't find crate for `core`\n  |\n  = note: the `wasm32-unknown-unknown` target may not be installed\n  = help: consider downloading the target with `rustup target add wasm32-unknown-unknown`\n\nerror: aborting due to previous error\n\nFor more information about this error, try `rustc --explain E0463`.\nerror[E0463]: can't find crate for `core`\n  |\n  = note: the `wasm32-unknown-unknown` target may not be installed\n  = help: consider downloading the target with `rustup target add wasm32-unknown-unknown`\n\nerror: aborting due to previous error\n\nFor more information about this error, try `rustc --explain E0463`.\nerror[E0463]: can't find crate for `std`\n  |\n  = note: the `wasm32-unknown-unknown` target may not be installed\n  = help: consider downloading the target with `rustup target add wasm32-unknown-unknown`\n\nerror: aborting due to previous error\n\nFor more information about this error, try `rustc --explain E0463`.\nerror[E0463]: can't find crate for `core`\n  |\n  = note: the `wasm32-unknown-unknown` target may not be installed\n  = help: consider downloading the target with `rustup target add wasm32-unknown-unknown`\n\nerror: aborting due to previous error\n\nFor more information about this error, try `rustc --explain E0463`.\nerror: build failed\n" }', tests/build.rs:23:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55e1b1b9d700 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55e1b1b9d700 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55e1b1b9d700 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55e1b1b9d700 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55e1b1bbb03c - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x55e1b1b9af25 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x55e1b1b9f39b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55e1b1b9f39b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55e1b1b9f39b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55e1b1b9ee71 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55e1b1b9fa64 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55e1b1b9f547 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x55e1b1b9dbfc - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55e1b1b9f4a9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55e1b1b82c2b - std::panicking::begin_panic_fmt::h5479575e112541f8
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:457:5
[INFO] [stderr]     15:     0x55e1b1b8866e - build_script_build::main::h6fd9a73fddcc854f
[INFO] [stderr]                                  at /opt/rustwide/workdir/tests/build.rs:23:5
[INFO] [stderr]     16:     0x55e1b1b889ab - core::ops::function::FnOnce::call_once::h8d2846cd7c8cbb14
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     17:     0x55e1b1b87d6e - std::sys_common::backtrace::__rust_begin_short_backtrace::hdf2c5d11888181bc
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     18:     0x55e1b1b87121 - std::rt::lang_start::{{closure}}::h3db4122de71a5546
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     19:     0x55e1b1b9ff69 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     20:     0x55e1b1b9ff69 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     21:     0x55e1b1b9ff69 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     22:     0x55e1b1b9ff69 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     23:     0x55e1b1b9ff69 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     24:     0x55e1b1b87100 - std::rt::lang_start::h15c6db988d51ee43
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     25:     0x55e1b1b8897c - main
[INFO] [stderr]     26:     0x7feaf0eef0b3 - __libc_start_main
[INFO] [stderr]     27:     0x55e1b1b83a3e - _start
[INFO] [stderr]     28:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b584146d88f10f9d6d0c45cdce6f8d9b30590bbf6ad8b2ad410e49d3837e7b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b584146d88f10f9d6d0c45cdce6f8d9b30590bbf6ad8b2ad410e49d3837e7b1f", kill_on_drop: false }`
[INFO] [stdout] b584146d88f10f9d6d0c45cdce6f8d9b30590bbf6ad8b2ad410e49d3837e7b1f
