[INFO] cloning repository https://github.com/krscott/rust-elm-boilerplate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krscott/rust-elm-boilerplate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrscott%2Frust-elm-boilerplate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrscott%2Frust-elm-boilerplate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d67156f31b573597d5cb4e766b71afa4c6c789e
[INFO] checking krscott/rust-elm-boilerplate against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrscott%2Frust-elm-boilerplate" "/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/krscott/rust-elm-boilerplate on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krscott/rust-elm-boilerplate
[INFO] finished tweaking git repo https://github.com/krscott/rust-elm-boilerplate
[INFO] tweaked toml for git repo https://github.com/krscott/rust-elm-boilerplate written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/krscott/rust-elm-boilerplate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", 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] 0b7fa29ed7421932d09c22d587e748dce9054cf75d04c880c57606615a34f561
[INFO] running `Command { std: "docker" "start" "-a" "0b7fa29ed7421932d09c22d587e748dce9054cf75d04c880c57606615a34f561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b7fa29ed7421932d09c22d587e748dce9054cf75d04c880c57606615a34f561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b7fa29ed7421932d09c22d587e748dce9054cf75d04c880c57606615a34f561", kill_on_drop: false }`
[INFO] [stdout] 0b7fa29ed7421932d09c22d587e748dce9054cf75d04c880c57606615a34f561
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d6b6cbe30b5d5cffbacf160b2a5324441c9cfcdc1bbc22aa863d63def1e4194
[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" "3d6b6cbe30b5d5cffbacf160b2a5324441c9cfcdc1bbc22aa863d63def1e4194", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling polymorphio v0.1.2 (https://github.com/krscott/polymorphio.git?tag=v0.1.2#4d60e959)
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling soup-sys v0.9.0
[INFO] [stderr]    Compiling webkit2gtk-sys v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking javascriptcore-rs-sys v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking chrono v0.4.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling webview-sys v0.5.1
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.9
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking web-view v0.6.3
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling rust_elm_types v0.1.0 (https://github.com/krscott/rust_elm_types.git?rev=77de75bcde0c17bed32cb207ea40483e92d78267#77de75bc)
[INFO] [stderr]    Compiling rust-elm-boilerplate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rust-elm-boilerplate v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rust-elm-boilerplate-2e2572b9e8b28b69/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" }', build.rs:24:38
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56383bfbca3f - std::backtrace_rs::backtrace::libunwind::trace::h21c0966c343fddd8
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x56383bfbca3f - std::backtrace_rs::backtrace::trace_unsynchronized::h62cde0754779ae3a
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x56383bfbca3f - std::sys_common::backtrace::_print_fmt::hb2d70198918acf1c
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/sys_common/backtrace.rs:77
[INFO] [stderr]      3:     0x56383bfbca3f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5a9d4ddd4d99b877
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x56383bfe120c - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x56383bfbad15 - std::io::Write::write_fmt::h2dbf1bb0d9f42142
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x56383bfbef60 - std::sys_common::backtrace::_print::h1091565a54a3c462
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x56383bfbef60 - std::sys_common::backtrace::print::hc9759e13a502cda2
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x56383bfbef60 - std::panicking::default_hook::{{closure}}::hd35b8516a1d88160
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:198
[INFO] [stderr]      9:     0x56383bfbecac - std::panicking::default_hook::h0dcf88ad4d72ec5e
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:217
[INFO] [stderr]     10:     0x56383bfbf5a3 - std::panicking::rust_panic_with_hook::h81c308f7accbe523
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:526
[INFO] [stderr]     11:     0x56383bfbf19b - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:437
[INFO] [stderr]     12:     0x56383bfdfba1 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/core/src/panicking.rs:85
[INFO] [stderr]     13:     0x56383bfdf9c3 - core::option::expect_none_failed::h7135ba2fdb185931
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/core/src/option.rs:1274
[INFO] [stderr]     14:     0x56383bf22320 - core::result::Result<T,E>::unwrap::hc6aae4af9778a352
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/core/src/result.rs:1005
[INFO] [stderr]     15:     0x56383bf20931 - build_script_build::main::h3b0ca48663852dd8
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:24
[INFO] [stderr]     16:     0x56383bf2ceeb - std::rt::lang_start::{{closure}}::hf8459414c6285eae
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:67
[INFO] [stderr]     17:     0x56383bfbf9b6 - std::rt::lang_start_internal::{{closure}}::hdb90dc0481c9e8f6
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:52
[INFO] [stderr]     18:     0x56383bfbf9b6 - std::panicking::try::do_call::he0af14a67f26ea71
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:348
[INFO] [stderr]     19:     0x56383bfbf9b6 - std::panicking::try::h87d5f0e2c2fee1c5
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:325
[INFO] [stderr]     20:     0x56383bfbf9b6 - std::panic::catch_unwind::he9266eec484f0287
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panic.rs:394
[INFO] [stderr]     21:     0x56383bfbf9b6 - std::rt::lang_start_internal::hb54283a40e32dc37
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:51
[INFO] [stderr]     22:     0x56383bf2cec7 - std::rt::lang_start::h34f11b1ed59fcc7a
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:67
[INFO] [stderr]     23:     0x56383bf20caa - main
[INFO] [stderr]     24:     0x7f5d9b4e20b3 - __libc_start_main
[INFO] [stderr]     25:     0x56383bf000ae - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "3d6b6cbe30b5d5cffbacf160b2a5324441c9cfcdc1bbc22aa863d63def1e4194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6b6cbe30b5d5cffbacf160b2a5324441c9cfcdc1bbc22aa863d63def1e4194", kill_on_drop: false }`
[INFO] [stdout] 3d6b6cbe30b5d5cffbacf160b2a5324441c9cfcdc1bbc22aa863d63def1e4194