[INFO] fetching crate waken_snowball 0.1.0...
[INFO] checking waken_snowball-0.1.0 against try#c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6 for pr-145463
[INFO] extracting crate waken_snowball 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate waken_snowball 0.1.0
[INFO] finished tweaking crates.io crate waken_snowball 0.1.0
[INFO] tweaked toml for crates.io crate waken_snowball 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate waken_snowball 0.1.0 on toolchain c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate waken_snowball 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" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 528ab90c91b15372969997c6ab40aab82c43655188c42aa7db05265f72e21456
[INFO] running `Command { std: "docker" "start" "-a" "528ab90c91b15372969997c6ab40aab82c43655188c42aa7db05265f72e21456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "528ab90c91b15372969997c6ab40aab82c43655188c42aa7db05265f72e21456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528ab90c91b15372969997c6ab40aab82c43655188c42aa7db05265f72e21456", kill_on_drop: false }`
[INFO] [stdout] 528ab90c91b15372969997c6ab40aab82c43655188c42aa7db05265f72e21456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7c938d4e3a92babf9576e4388f7ac27fbb68b5e3d0fa2ccc75811c77021b71b
[INFO] running `Command { std: "docker" "start" "-a" "b7c938d4e3a92babf9576e4388f7ac27fbb68b5e3d0fa2ccc75811c77021b71b", kill_on_drop: false }`
[INFO] [stderr]     Checking waken_snowball v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:183:41
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub fn stem(algorithm: Algorithm, word: &str) -> Cow<str> {
[INFO] [stdout]     |                                         ^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub fn stem(algorithm: Algorithm, word: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:183:41
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub fn stem(algorithm: Algorithm, word: &str) -> Cow<str> {
[INFO] [stdout]     |                                         ^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub fn stem(algorithm: Algorithm, word: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "b7c938d4e3a92babf9576e4388f7ac27fbb68b5e3d0fa2ccc75811c77021b71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c938d4e3a92babf9576e4388f7ac27fbb68b5e3d0fa2ccc75811c77021b71b", kill_on_drop: false }`
[INFO] [stdout] b7c938d4e3a92babf9576e4388f7ac27fbb68b5e3d0fa2ccc75811c77021b71b