[INFO] fetching crate numsep 0.1.12...
[INFO] checking numsep-0.1.12 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate numsep 0.1.12 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate numsep 0.1.12
[INFO] finished tweaking crates.io crate numsep 0.1.12
[INFO] tweaked toml for crates.io crate numsep 0.1.12 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate numsep 0.1.12 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding slicestring v0.1.3 (available: v0.3.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b116ff3b1ccb3cbb861808740a6b2145940bb22c52155f59c096c38b90255ec
[INFO] running `Command { std: "docker" "start" "-a" "2b116ff3b1ccb3cbb861808740a6b2145940bb22c52155f59c096c38b90255ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b116ff3b1ccb3cbb861808740a6b2145940bb22c52155f59c096c38b90255ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b116ff3b1ccb3cbb861808740a6b2145940bb22c52155f59c096c38b90255ec", kill_on_drop: false }`
[INFO] [stdout] 2b116ff3b1ccb3cbb861808740a6b2145940bb22c52155f59c096c38b90255ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fe483d8a05879a6199d1015402dc6bc6cd54b8ee2ea7f2d6e0ad77b400d1d9d
[INFO] running `Command { std: "docker" "start" "-a" "1fe483d8a05879a6199d1015402dc6bc6cd54b8ee2ea7f2d6e0ad77b400d1d9d", kill_on_drop: false }`
[INFO] [stderr]     Checking slicestring v0.1.3
[INFO] [stderr]     Checking numsep v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:82:38
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn set_separator(self, sep: &'a str) -> Scheme {
[INFO] [stdout]    |                                      ^^         ------ the lifetime gets resolved as `'a`
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn set_separator(self, sep: &'a str) -> Scheme<'a> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:88:34
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn set_radix(self, com: &'a str) -> Scheme {
[INFO] [stdout]    |                                  ^^         ------ the lifetime gets resolved as `'a`
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn set_radix(self, com: &'a str) -> Scheme<'a> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:82:38
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn set_separator(self, sep: &'a str) -> Scheme {
[INFO] [stdout]    |                                      ^^         ------ the lifetime gets resolved as `'a`
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn set_separator(self, sep: &'a str) -> Scheme<'a> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:88:34
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn set_radix(self, com: &'a str) -> Scheme {
[INFO] [stdout]    |                                  ^^         ------ the lifetime gets resolved as `'a`
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn set_radix(self, com: &'a str) -> Scheme<'a> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "1fe483d8a05879a6199d1015402dc6bc6cd54b8ee2ea7f2d6e0ad77b400d1d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe483d8a05879a6199d1015402dc6bc6cd54b8ee2ea7f2d6e0ad77b400d1d9d", kill_on_drop: false }`
[INFO] [stdout] 1fe483d8a05879a6199d1015402dc6bc6cd54b8ee2ea7f2d6e0ad77b400d1d9d