[INFO] fetching crate lib_vminfo 1.2.0...
[INFO] testing lib_vminfo-1.2.0 against 1.100.0-beta.1 for beta-1.100-4
[INFO] extracting crate lib_vminfo 1.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate lib_vminfo 1.2.0
[INFO] finished tweaking crates.io crate lib_vminfo 1.2.0
[INFO] tweaked toml for crates.io crate lib_vminfo 1.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lib_vminfo 1.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 192 packages to highest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding oauth2 v4.4.2 (available: v5.0.0)
[INFO] [stderr]       Adding redis v0.22.4 (available: v1.7.1)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.13.5)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7e6c8cee5155c25f9e4d82944b810919a0e0681ad1ad7bf519173930c9bc2d70
[INFO] running `Command { std: "docker" "start" "7e6c8cee5155c25f9e4d82944b810919a0e0681ad1ad7bf519173930c9bc2d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e6c8cee5155c25f9e4d82944b810919a0e0681ad1ad7bf519173930c9bc2d70", 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" "7e6c8cee5155c25f9e4d82944b810919a0e0681ad1ad7bf519173930c9bc2d70" "/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" "7e6c8cee5155c25f9e4d82944b810919a0e0681ad1ad7bf519173930c9bc2d70", 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" "7e6c8cee5155c25f9e4d82944b810919a0e0681ad1ad7bf519173930c9bc2d70" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] error[E0277]: the trait bound `!: FromRedisValue` is not satisfied
[INFO] [stdout]     --> src/caching/redis_cache.rs:62:5
[INFO] [stdout]      |
[INFO] [stdout]   62 |             .set(key, &data)
[INFO] [stdout]      |              ^^^ the trait `FromRedisValue` is not implemented for `!`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `FromRedisValue`:
[INFO] [stdout]                ()
[INFO] [stdout]                (T12,)
[INFO] [stdout]                (T11, T12)
[INFO] [stdout]                (T10, T11, T12)
[INFO] [stdout]                (T9, T10, T11, T12)
[INFO] [stdout]                (T8, T9, T10, T11, T12)
[INFO] [stdout]                (T7, T8, T9, T10, T11, T12)
[INFO] [stdout]                (T6, T7, T8, T9, T10, T11, T12)
[INFO] [stdout]              and 42 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 by a bound in `set`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/redis-0.22.4/src/commands/macros.rs:44:60
[INFO] [stdout]      |
[INFO] [stdout]   39 |           pub trait Commands : ConnectionLike+Sized {
[INFO] [stdout] ...
[INFO] [stdout]   44 |                   fn $name<$lifetime, $($tyargs: $ty, )* RV: FromRedisValue>(
[INFO] [stdout]      |                                                              ^^^^^^^^^^^^^^ required by this bound in `Commands::set`
[INFO] [stdout]      |
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/redis-0.22.4/src/commands/mod.rs:66:1
[INFO] [stdout]      |
[INFO] [stdout]   66 | / implement_commands! {
[INFO] [stdout]   67 | |     'a
[INFO] [stdout] ...    |
[INFO] [stdout]   86 | |     fn set<K: ToRedisArgs, V: ToRedisArgs>(key: K, value: V) {
[INFO] [stdout] ...    |
[INFO] [stdout] 1855 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      = note: this error originates in the macro `implement_commands` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/persistance.rs:97:28
[INFO] [stdout]    |
[INFO] [stdout] 97 |                         error::client_config(Some(err), "failed to generate path for token persistence")
[INFO] [stdout]    |                                              ^^^^ --- any code following this expression is unreachable
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              unreachable call
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]    --> src/persistance.rs:103:27
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     error::client_config(Some(err), "failed to generate path for token persistence")
[INFO] [stdout]     |                                          ^^^^ --- any code following this expression is unreachable
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          unreachable call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lib_vminfo` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7e6c8cee5155c25f9e4d82944b810919a0e0681ad1ad7bf519173930c9bc2d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6c8cee5155c25f9e4d82944b810919a0e0681ad1ad7bf519173930c9bc2d70", kill_on_drop: false }`
[INFO] [stdout] 7e6c8cee5155c25f9e4d82944b810919a0e0681ad1ad7bf519173930c9bc2d70
