[INFO] cloning repository https://github.com/palfrey/maiden
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/palfrey/maiden" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalfrey%2Fmaiden", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalfrey%2Fmaiden'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e33d475bd033d0a863232f631e0a96611a6e723
[INFO] testing palfrey/maiden against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalfrey%2Fmaiden" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/palfrey/maiden on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/palfrey/maiden
[INFO] finished tweaking git repo https://github.com/palfrey/maiden
[INFO] tweaked toml for git repo https://github.com/palfrey/maiden written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/palfrey/maiden already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.1
[INFO] [stderr]   Downloaded escargot v0.2.0
[INFO] [stderr]   Downloaded bincode v1.0.1
[INFO] [stderr]   Downloaded predicates v0.5.2
[INFO] [stderr]   Downloaded yew v0.6.0
[INFO] [stderr]   Downloaded assert_cmd v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf61711bebdc39db9a2a47c8c956410c7ac1e17e439e40be054b8b16cdb14872
[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" "cf61711bebdc39db9a2a47c8c956410c7ac1e17e439e40be054b8b16cdb14872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf61711bebdc39db9a2a47c8c956410c7ac1e17e439e40be054b8b16cdb14872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf61711bebdc39db9a2a47c8c956410c7ac1e17e439e40be054b8b16cdb14872", kill_on_drop: false }`
[INFO] [stdout] cf61711bebdc39db9a2a47c8c956410c7ac1e17e439e40be054b8b16cdb14872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf21395c9098e3dec3e22394f29662976428b90765db14e93b6a5942def4763e
[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" "cf21395c9098e3dec3e22394f29662976428b90765db14e93b6a5942def4763e", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling maiden v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `maiden v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/maiden-2c3c0c66e7804fd8/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Error { depth: 2, inner: Io { path: Some("tests/upstream/failures"), err: Os { code: 2, kind: NotFound, message: "No such file or directory" } } }
[INFO] [stderr] 
[INFO] [stderr]      0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.7/src/backtrace/internal.rs:46
[INFO] [stderr]      1: failure::backtrace::Backtrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.7/src/backtrace/mod.rs:121
[INFO] [stderr]      2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.7/src/error/error_impl.rs:19
[INFO] [stderr]      3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.7/src/error/mod.rs:36
[INFO] [stderr]      4: build_script_build::main
[INFO] [stderr]                at build.rs:12
[INFO] [stderr]      5: core::ops::function::FnOnce::call_once
[INFO] [stderr]                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227
[INFO] [stderr]      6: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:125
[INFO] [stderr]      7: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:66
[INFO] [stderr]      8: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:259
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1//library/std/src/panicking.rs:379
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1//library/std/src/panicking.rs:343
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1//library/std/src/panic.rs:396
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1//library/std/src/rt.rs:51
[INFO] [stderr]      9: std::rt::lang_start
[INFO] [stderr]                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:65
[INFO] [stderr]     10: main
[INFO] [stderr]     11: __libc_start_main
[INFO] [stderr]     12: _start
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "cf21395c9098e3dec3e22394f29662976428b90765db14e93b6a5942def4763e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf21395c9098e3dec3e22394f29662976428b90765db14e93b6a5942def4763e", kill_on_drop: false }`
[INFO] [stdout] cf21395c9098e3dec3e22394f29662976428b90765db14e93b6a5942def4763e