[INFO] fetching crate distant-protocol 0.20.0...
[INFO] checking distant-protocol-0.20.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate distant-protocol 0.20.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate distant-protocol 0.20.0
[INFO] finished tweaking crates.io crate distant-protocol 0.20.0
[INFO] tweaked toml for crates.io crate distant-protocol 0.20.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate distant-protocol 0.20.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding const-str v0.5.7 (available: v0.7.0)
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[INFO] [stderr]       Adding strum v0.24.1 (available: v0.27.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a0e324bbdb778b0c4db847d926ec8b5da943b11f689929380831c6ae326f8e9
[INFO] running `Command { std: "docker" "start" "-a" "0a0e324bbdb778b0c4db847d926ec8b5da943b11f689929380831c6ae326f8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a0e324bbdb778b0c4db847d926ec8b5da943b11f689929380831c6ae326f8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0e324bbdb778b0c4db847d926ec8b5da943b11f689929380831c6ae326f8e9", kill_on_drop: false }`
[INFO] [stdout] 0a0e324bbdb778b0c4db847d926ec8b5da943b11f689929380831c6ae326f8e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ee3cf8a4ba8c8fc4f27ce0779f3e580871b51314faaa7e242857b1b3eb8fd19
[INFO] running `Command { std: "docker" "start" "-a" "4ee3cf8a4ba8c8fc4f27ce0779f3e580871b51314faaa7e242857b1b3eb8fd19", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking const-str v0.5.7
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking distant-protocol v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<SearchQueryCondition, Infallible>
[INFO] [stdout]    --> src/common/search.rs:176:53
[INFO] [stdout]     |
[INFO] [stdout] 176 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 177 | |         Ok(Self::regex(s))
[INFO] [stdout] 178 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SearchQueryCondition, Infallible>
[INFO] [stdout]    --> src/common/search.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Ok(Self::regex(s))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `distant-protocol` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<common::search::SearchQueryCondition, Infallible>
[INFO] [stdout]    --> src/common/search.rs:176:53
[INFO] [stdout]     |
[INFO] [stdout] 176 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 177 | |         Ok(Self::regex(s))
[INFO] [stdout] 178 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<common::search::SearchQueryCondition, Infallible>
[INFO] [stdout]    --> src/common/search.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Ok(Self::regex(s))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `distant-protocol` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4ee3cf8a4ba8c8fc4f27ce0779f3e580871b51314faaa7e242857b1b3eb8fd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee3cf8a4ba8c8fc4f27ce0779f3e580871b51314faaa7e242857b1b3eb8fd19", kill_on_drop: false }`
[INFO] [stdout] 4ee3cf8a4ba8c8fc4f27ce0779f3e580871b51314faaa7e242857b1b3eb8fd19