[INFO] cloning repository https://github.com/splintah/cli-for-zermelo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/splintah/cli-for-zermelo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsplintah%2Fcli-for-zermelo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsplintah%2Fcli-for-zermelo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d766366e1ac66a727e28dc50bb180fac98608229
[INFO] checking splintah/cli-for-zermelo against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsplintah%2Fcli-for-zermelo" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/splintah/cli-for-zermelo on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/splintah/cli-for-zermelo
[INFO] finished tweaking git repo https://github.com/splintah/cli-for-zermelo
[INFO] tweaked toml for git repo https://github.com/splintah/cli-for-zermelo written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/splintah/cli-for-zermelo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.19
[INFO] [stderr]   Downloaded zermelo v0.3.0
[INFO] [stderr]   Downloaded reqwest v0.8.1
[INFO] [stderr]   Downloaded serde_derive v1.0.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf181e9b8b17fb0345dd06a7fe0f9882fc972dfca0b605cd15805751a5785d2b
[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" "cf181e9b8b17fb0345dd06a7fe0f9882fc972dfca0b605cd15805751a5785d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf181e9b8b17fb0345dd06a7fe0f9882fc972dfca0b605cd15805751a5785d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf181e9b8b17fb0345dd06a7fe0f9882fc972dfca0b605cd15805751a5785d2b", kill_on_drop: false }`
[INFO] [stdout] cf181e9b8b17fb0345dd06a7fe0f9882fc972dfca0b605cd15805751a5785d2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] 185d32fe8c08169f142f78940d92d1dae8143d8aacf855f2be08f34333e731bc
[INFO] running `Command { std: "docker" "start" "-a" "185d32fe8c08169f142f78940d92d1dae8143d8aacf855f2be08f34333e731bc", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.17
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]    Compiling openssl v0.9.20
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]    Compiling crc-core v0.1.0
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]     Checking serde v1.0.19
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking siphasher v0.2.2
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking termcolor v0.3.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling crc v1.5.0
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking mio v0.6.11
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking libflate v0.1.12
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.2
[INFO] [stderr]    Compiling openssl-sys v0.9.20
[INFO] [stderr]     Checking mime v0.3.5
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.19
[INFO] [stderr] error: failed to run custom build command for `mime_guess v2.0.0-alpha.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-3888aa764c80e1b5/build-script-gen_mime_types` (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/mime_guess-2.0.0-alpha.2/src/gen_mime_types.rs:22:67
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56003e586815 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x56003e586815 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x56003e586815 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x56003e586815 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x56003e5a418c - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x56003e584ed2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x56003e588c50 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x56003e588c50 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x56003e588c50 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x56003e58899c - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x56003e589293 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x56003e588e8b - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x56003e5a3591 - core::panicking::panic_fmt::h17139c2000299725
[INFO] [stderr]                                  at src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x56003e5a33b3 - core::option::expect_none_failed::h972f96abb4ec8952
[INFO] [stderr]                                  at src/libcore/option.rs:1269
[INFO] [stderr]     14:     0x56003e5678ab - core::result::Result<T,E>::unwrap::h1d2f224cc25133a9
[INFO] [stderr]                                  at /rustc/cfbc6d4cf1acbac5c025acf8ed68929caa551df3/src/libcore/result.rs:1005
[INFO] [stderr]     15:     0x56003e54e30f - build_script_gen_mime_types::main::hff22675197cef45f
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-2.0.0-alpha.2/src/gen_mime_types.rs:22
[INFO] [stderr]     16:     0x56003e54a5bb - std::rt::lang_start::{{closure}}::hb0e67a98c76f65c2
[INFO] [stderr]                                  at /rustc/cfbc6d4cf1acbac5c025acf8ed68929caa551df3/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x56003e589663 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     18:     0x56003e589663 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     19:     0x56003e589663 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     20:     0x56003e589663 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     21:     0x56003e589663 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     22:     0x56003e54a597 - std::rt::lang_start::h7c14feb34434d4f2
[INFO] [stderr]                                  at /rustc/cfbc6d4cf1acbac5c025acf8ed68929caa551df3/src/libstd/rt.rs:67
[INFO] [stderr]     23:     0x56003e54f83a - main
[INFO] [stderr]     24:     0x7f60c0ab20b3 - __libc_start_main
[INFO] [stderr]     25:     0x56003e53817e - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.6.0/src/form_urlencoded.rs:261:40
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stdout]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0713`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "185d32fe8c08169f142f78940d92d1dae8143d8aacf855f2be08f34333e731bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "185d32fe8c08169f142f78940d92d1dae8143d8aacf855f2be08f34333e731bc", kill_on_drop: false }`
[INFO] [stdout] 185d32fe8c08169f142f78940d92d1dae8143d8aacf855f2be08f34333e731bc
