[INFO] fetching crate tbot 0.6.7...
[INFO] testing tbot-0.6.7 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tbot 0.6.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tbot 0.6.7 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tbot 0.6.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tbot 0.6.7
[INFO] tweaked toml for crates.io crate tbot 0.6.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate tbot 0.6.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-macro v0.3.7
[INFO] [stderr]   Downloaded futures-io v0.3.7
[INFO] [stderr]   Downloaded futures-sink v0.3.7
[INFO] [stderr]   Downloaded futures v0.3.7
[INFO] [stderr]   Downloaded futures-util v0.3.7
[INFO] [stderr]   Downloaded typed-headers v0.2.0
[INFO] [stderr]   Downloaded hyper-proxy v0.6.0
[INFO] [stderr]   Downloaded is-macro v0.1.8
[INFO] [stderr]   Downloaded meval v0.2.0
[INFO] [stderr]   Downloaded futures-executor v0.3.7
[INFO] [stderr]   Downloaded futures-channel v0.3.7
[INFO] [stderr]   Downloaded futures-core v0.3.7
[INFO] [stderr]   Downloaded futures-task v0.3.7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 306371e3a896761b838931efd85c67e8386e6d836619331f1d78ce7e9f54a506
[INFO] running `Command { std: "docker" "start" "-a" "306371e3a896761b838931efd85c67e8386e6d836619331f1d78ce7e9f54a506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "306371e3a896761b838931efd85c67e8386e6d836619331f1d78ce7e9f54a506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "306371e3a896761b838931efd85c67e8386e6d836619331f1d78ce7e9f54a506", kill_on_drop: false }`
[INFO] [stdout] 306371e3a896761b838931efd85c67e8386e6d836619331f1d78ce7e9f54a506
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 734725370fa25b329003c429a24e8b3b032ce47afab1619e01f0bbae0aacd340
[INFO] running `Command { std: "docker" "start" "-a" "734725370fa25b329003c429a24e8b3b032ce47afab1619e01f0bbae0aacd340", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures-core v0.3.7
[INFO] [stderr]    Compiling futures-sink v0.3.7
[INFO] [stderr]    Compiling futures-io v0.3.7
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling futures-task v0.3.7
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling futures-channel v0.3.7
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling typed-headers v0.2.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling is-macro v0.1.8
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling pin-project v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.7
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling futures-executor v0.3.7
[INFO] [stderr]    Compiling futures v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling hyper v0.13.8
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling hyper-proxy v0.6.0
[INFO] [stderr]    Compiling tbot v0.6.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/errors/https_webhook.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Is)]
[INFO] [stdout]    |                 ^^ expected struct `native_tls::Error`, found tuple
[INFO] [stdout] ...
[INFO] [stdout] 18 |         #[cfg(feature = "tls")] native_tls::Error,
[INFO] [stdout]    |                                 ----------------- expected `native_tls::Error` because of return type
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `native_tls::Error`
[INFO] [stdout]                found tuple `(native_tls::Error,)`
[INFO] [stdout]    = note: this error originates in the derive macro `Is` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/errors/https_webhook.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Is)]
[INFO] [stdout]    |                 ^^ expected struct `native_tls::Error`, found tuple
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `native_tls::Error`
[INFO] [stdout]                found tuple `(native_tls::Error,)`
[INFO] [stdout]    = note: this error originates in the derive macro `Is` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tbot` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "734725370fa25b329003c429a24e8b3b032ce47afab1619e01f0bbae0aacd340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734725370fa25b329003c429a24e8b3b032ce47afab1619e01f0bbae0aacd340", kill_on_drop: false }`
[INFO] [stdout] 734725370fa25b329003c429a24e8b3b032ce47afab1619e01f0bbae0aacd340