[INFO] fetching crate alkyne 0.1.0...
[INFO] testing alkyne-0.1.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate alkyne 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate alkyne 0.1.0
[INFO] finished tweaking crates.io crate alkyne 0.1.0
[INFO] tweaked toml for crates.io crate alkyne 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate alkyne 0.1.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate alkyne 0.1.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 | homepage = "https://github.com/mcy/alkyne"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 | repository = "https://github.com/mcy/alkyne"
[INFO] [stderr]    |              -------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `alkyne` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e20034b7b48e3767147ebf1b282721fb021e65aca7e375f0837245727d8a3590
[INFO] running `Command { std: "docker" "start" "e20034b7b48e3767147ebf1b282721fb021e65aca7e375f0837245727d8a3590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e20034b7b48e3767147ebf1b282721fb021e65aca7e375f0837245727d8a3590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e20034b7b48e3767147ebf1b282721fb021e65aca7e375f0837245727d8a3590" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e20034b7b48e3767147ebf1b282721fb021e65aca7e375f0837245727d8a3590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e20034b7b48e3767147ebf1b282721fb021e65aca7e375f0837245727d8a3590" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 | homepage = "https://github.com/mcy/alkyne"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 | repository = "https://github.com/mcy/alkyne"
[INFO] [stderr]    |              -------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `alkyne` (manifest) generated 1 warning
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling toolshed v0.8.1
[INFO] [stderr]    Compiling chashmap v2.2.2
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling rustyline v5.0.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling alkyne v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `!: IntoValueResult<'_>` is not satisfied
[INFO] [stdout]    --> src/eval/value/native_macros.rs:135:72
[INFO] [stdout]     |
[INFO] [stdout] 117 | / macro_rules! native_fn {
[INFO] [stdout] 118 | |   (($($arg:ident: $ty:ident),* $(,)?) $block:block) => {
[INFO] [stdout] 119 | |     native_fn!((_, $($arg: $ty,)*) $block)
[INFO] [stdout] 120 | |   };
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | |       $crate::eval::value::convert::IntoValueResult::into_value_result($block)
[INFO] [stdout]     | |       ---------------------------------------------------------------- ^^^^^^ the trait `IntoValue<'_>` is not implemented for `!`
[INFO] [stdout]     | |       |
[INFO] [stdout]     | |       required by a bound introduced by this call
[INFO] [stdout] ...   |
[INFO] [stdout] 155 | |   };
[INFO] [stdout] 156 | | }
[INFO] [stdout]     | |_- this error originates in the macro `native_fn` which comes from the expansion of the macro `stdlib`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/eval/error.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |       return Err(EvalError::new($ctx, $expr.span(), format!($($tt)*)).into())
[INFO] [stdout]     |       ----------------------------------------------------------------------- this tail expression is of type `!`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/eval/stdlib.rs:51:3
[INFO] [stdout]     |
[INFO] [stdout]  51 | /   stdlib! { key =>
[INFO] [stdout] ...   |
[INFO] [stdout] 418 | |     fn acoth(x: number) { x.recip().atanh() }
[INFO] [stdout] 419 | |   }
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `IntoValue<'i>`:
[INFO] [stdout]               &'i [Value<'i>]
[INFO] [stdout]               &'i str
[INFO] [stdout]               ()
[INFO] [stdout]               ArcSlice<'i, [Value<'i>]>
[INFO] [stdout]               ArcSlice<'i, str>
[INFO] [stdout]               NativeFn<'i>
[INFO] [stdout]               Vec<Value<'i>>
[INFO] [stdout]               bool
[INFO] [stdout]             and 4 others
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout] note: required for `!` to implement `IntoValueResult<'_>`
[INFO] [stdout]    --> src/eval/value/convert.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl<'i, I> IntoValueResult<'i> for I
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^     ^
[INFO] [stdout] 122 | where
[INFO] [stdout] 123 |   I: IntoValue<'i>,
[INFO] [stdout]     |      ------------- unsatisfied trait bound introduced here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alkyne` (bin "alkyne") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e20034b7b48e3767147ebf1b282721fb021e65aca7e375f0837245727d8a3590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20034b7b48e3767147ebf1b282721fb021e65aca7e375f0837245727d8a3590", kill_on_drop: false }`
[INFO] [stdout] e20034b7b48e3767147ebf1b282721fb021e65aca7e375f0837245727d8a3590
