[INFO] cloning repository https://github.com/Cobular/tg_discord_mirror_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cobular/tg_discord_mirror_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCobular%2Ftg_discord_mirror_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCobular%2Ftg_discord_mirror_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 918ce497bf42a157fa05cabf2034c2cdce86232f
[INFO] checking Cobular/tg_discord_mirror_rs against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCobular%2Ftg_discord_mirror_rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Cobular/tg_discord_mirror_rs
[INFO] finished tweaking git repo https://github.com/Cobular/tg_discord_mirror_rs
[INFO] tweaked toml for git repo https://github.com/Cobular/tg_discord_mirror_rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Cobular/tg_discord_mirror_rs on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Cobular/tg_discord_mirror_rs 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00c1eb1616159e215928830c579634f53bd7971fd86740ad559d281d57f64897
[INFO] running `Command { std: "docker" "start" "-a" "00c1eb1616159e215928830c579634f53bd7971fd86740ad559d281d57f64897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00c1eb1616159e215928830c579634f53bd7971fd86740ad559d281d57f64897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c1eb1616159e215928830c579634f53bd7971fd86740ad559d281d57f64897", kill_on_drop: false }`
[INFO] [stdout] 00c1eb1616159e215928830c579634f53bd7971fd86740ad559d281d57f64897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4087bd72f5b585fd4c8a20e6dd0bafbb825367b13b728f0d81bf85637309573
[INFO] running `Command { std: "docker" "start" "-a" "f4087bd72f5b585fd4c8a20e6dd0bafbb825367b13b728f0d81bf85637309573", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking unicase v2.6.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling erasable v1.2.1
[INFO] [stderr]     Checking rustls-pemfile v0.3.0
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rc-box v1.2.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking never v0.1.0
[INFO] [stderr]    Compiling serenity v0.11.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking takecell v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.22.3
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling teloxide-macros v0.6.1
[INFO] [stderr]    Compiling aquamarine v0.1.11
[INFO] [stderr]     Checking tokio v1.18.1
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking dptree v0.2.1
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tungstenite v0.17.2
[INFO] [stderr]     Checking async-tungstenite v0.17.2
[INFO] [stderr]    Compiling mime_to_ext v0.1.0 (https://github.com/Cobular/mime_to_ext.git?branch=master#85f11969)
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr] error: failed to run custom build command for `mime_to_ext v0.1.0 (https://github.com/Cobular/mime_to_ext.git?branch=master#85f11969)`
[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/mime_to_ext-07f4fb88c727f315/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=data/mime_data.json
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1978) panicked at /opt/rustwide/cargo-home/git/checkouts/mime_to_ext-6b59e37a5dfaf4d6/85f1196/build.rs:27:67:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x6130e8986eb2 - std::backtrace_rs::backtrace::libunwind::trace::h616ec230c5e48833
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x6130e8986eb2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1cb9ba010d408e85
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x6130e8986eb2 - std::sys::backtrace::_print_fmt::h423772e3ab37228d
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x6130e8986eb2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h1b20bf43538739a7
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x6130e8996bbf - core::fmt::rt::Argument::fmt::hdc121315d91682d8
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x6130e8996bbf - core::fmt::write::h8b43cab19ae1983d
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x6130e8964353 - std::io::default_write_fmt::he3cda771937121ba
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x6130e8964353 - std::io::Write::write_fmt::he6ba151b4ec7471d
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x6130e8969e92 - std::sys::backtrace::BacktraceLock::print::h071283e026a65e09
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x6130e896b96c - std::panicking::default_hook::{{closure}}::h8648822bb5a469ca
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x6130e896b7c6 - std::panicking::default_hook::h9a8734a4c300303d
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x6130e896bf45 - std::panicking::panic_with_hook::h07e66ce18b93f67f
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x6130e896bdda - std::panicking::panic_handler::{{closure}}::h30e90fd534d9b1a9
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x6130e8969fc9 - std::sys::backtrace::__rust_end_short_backtrace::h4667bac268f68e7d
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x6130e8958ccd - __rustc[46abfc8fab5e70aa]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x6130e899e3b0 - core::panicking::panic_fmt::hb22f86c4fe9ab4a0
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x6130e899da26 - core::result::unwrap_failed::h51af9427056ea2e9
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/core/src/result.rs:1855:5
[INFO] [stderr]     17:     0x6130e893fa54 - build_script_build::main::h016915cf1999a9a6
[INFO] [stderr]     18:     0x6130e8944a93 - core::ops::function::FnOnce::call_once::h9e4660eeb798289b
[INFO] [stderr]     19:     0x6130e8940806 - std::sys::backtrace::__rust_begin_short_backtrace::h4f116cffd18f6a99
[INFO] [stderr]     20:     0x6130e8940539 - std::rt::lang_start::{{closure}}::hea6845299f49cc64
[INFO] [stderr]     21:     0x6130e8965920 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h1bbfd62f68f057d9
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x6130e8965920 - std::panicking::catch_unwind::do_call::hee035b3c2920b908
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:590:40
[INFO] [stderr]     23:     0x6130e8965920 - std::panicking::catch_unwind::h9decfeaa9848961c
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:553:19
[INFO] [stderr]     24:     0x6130e8965920 - std::panic::catch_unwind::hcdea1fe72f085026
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x6130e8965920 - std::rt::lang_start_internal::{{closure}}::h7ee72e2bc04047ad
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x6130e8965920 - std::panicking::catch_unwind::do_call::h9dbd3371bbdb444c
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x6130e8965920 - std::panicking::catch_unwind::hc0bf821dd763cfc4
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x6130e8965920 - std::panic::catch_unwind::h560d9660858f6b78
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x6130e8965920 - std::rt::lang_start_internal::he2bdaa4ecf39e479
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x6130e8940521 - std::rt::lang_start::h46d575c24081837b
[INFO] [stderr]     31:     0x6130e8943235 - main
[INFO] [stderr]     32:     0x7c63eb39c1ca - <unknown>
[INFO] [stderr]     33:     0x7c63eb39c28b - __libc_start_main
[INFO] [stderr]     34:     0x6130e893c0d5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hyper-0.14.18/src/proto/h2/mod.rs:452:5
[INFO] [stdout]     |
[INFO] [stdout] 452 |     impossible: Impossible,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this field contains `Impossible`, which is not inhabited, and makes it not a breaking change to become non-zero-sized in the future.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyper` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f4087bd72f5b585fd4c8a20e6dd0bafbb825367b13b728f0d81bf85637309573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4087bd72f5b585fd4c8a20e6dd0bafbb825367b13b728f0d81bf85637309573", kill_on_drop: false }`
[INFO] [stdout] f4087bd72f5b585fd4c8a20e6dd0bafbb825367b13b728f0d81bf85637309573
