[INFO] fetching crate fiveo 0.3.2...
[INFO] testing fiveo-0.3.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate fiveo 0.3.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate fiveo 0.3.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fiveo 0.3.2
[INFO] finished tweaking crates.io crate fiveo 0.3.2
[INFO] tweaked toml for crates.io crate fiveo 0.3.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 935e3e1574d97d68b6dd777135ec3128f10ccf1be099be7696889276a65c3e35
[INFO] running `Command { std: "docker" "start" "-a" "935e3e1574d97d68b6dd777135ec3128f10ccf1be099be7696889276a65c3e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "935e3e1574d97d68b6dd777135ec3128f10ccf1be099be7696889276a65c3e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "935e3e1574d97d68b6dd777135ec3128f10ccf1be099be7696889276a65c3e35", kill_on_drop: false }`
[INFO] [stdout] 935e3e1574d97d68b6dd777135ec3128f10ccf1be099be7696889276a65c3e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b950eb252e2e8558f4903152cc7b1cbf0d035ab0bb6b367f8ff29e9862c093c4
[INFO] running `Command { std: "docker" "start" "-a" "b950eb252e2e8558f4903152cc7b1cbf0d035ab0bb6b367f8ff29e9862c093c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fiveo v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn from(values: &mut Iterator<Item = char>) -> Self {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:315:50
[INFO] [stdout]     |
[INFO] [stdout] 315 | ...                   '-' | '_' | ' ' | '0'...'9' => self.parameters.separator_bonus,
[INFO] [stdout]     |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:316:32
[INFO] [stdout]     |
[INFO] [stdout] 316 | ...                   'a'...'z' if candidate_char.is_uppercase() => {
[INFO] [stdout]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fiveo`
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b950eb252e2e8558f4903152cc7b1cbf0d035ab0bb6b367f8ff29e9862c093c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b950eb252e2e8558f4903152cc7b1cbf0d035ab0bb6b367f8ff29e9862c093c4", kill_on_drop: false }`
[INFO] [stdout] b950eb252e2e8558f4903152cc7b1cbf0d035ab0bb6b367f8ff29e9862c093c4
