[INFO] fetching crate flexver-rs 0.1.2...
[INFO] checking flexver-rs-0.1.2 against try#5785402183672f7786e9dc343d7b435bdaf4a4bc for pr-138001
[INFO] extracting crate flexver-rs 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate flexver-rs 0.1.2 on toolchain 5785402183672f7786e9dc343d7b435bdaf4a4bc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flexver-rs 0.1.2
[INFO] finished tweaking crates.io crate flexver-rs 0.1.2
[INFO] tweaked toml for crates.io crate flexver-rs 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 066088acc8bc17a9367708f72d7856eaae9adc82447b6657f171d5e9084f2b75
[INFO] running `Command { std: "docker" "start" "-a" "066088acc8bc17a9367708f72d7856eaae9adc82447b6657f171d5e9084f2b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "066088acc8bc17a9367708f72d7856eaae9adc82447b6657f171d5e9084f2b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066088acc8bc17a9367708f72d7856eaae9adc82447b6657f171d5e9084f2b75", kill_on_drop: false }`
[INFO] [stdout] 066088acc8bc17a9367708f72d7856eaae9adc82447b6657f171d5e9084f2b75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b55971ed2c387e57bd14cad002ac0909b5a3d1cb4be818508a30dad453fc9d8
[INFO] running `Command { std: "docker" "start" "-a" "5b55971ed2c387e57bd14cad002ac0909b5a3d1cb4be818508a30dad453fc9d8", kill_on_drop: false }`
[INFO] [stderr]     Checking flexver-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:27:62
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn split_once_rest<'a>(s: &'a str, numeric: bool) -> Option<(&str, &str)> {
[INFO] [stdout]    |                    -- lifetime `'a` declared here            ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:27:68
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn split_once_rest<'a>(s: &'a str, numeric: bool) -> Option<(&str, &str)> {
[INFO] [stdout]    |                    -- lifetime `'a` declared here                  ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:27:62
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn split_once_rest<'a>(s: &'a str, numeric: bool) -> Option<(&str, &str)> {
[INFO] [stdout]    |                    -- lifetime `'a` declared here            ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:27:68
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn split_once_rest<'a>(s: &'a str, numeric: bool) -> Option<(&str, &str)> {
[INFO] [stdout]    |                    -- lifetime `'a` declared here                  ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "5b55971ed2c387e57bd14cad002ac0909b5a3d1cb4be818508a30dad453fc9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b55971ed2c387e57bd14cad002ac0909b5a3d1cb4be818508a30dad453fc9d8", kill_on_drop: false }`
[INFO] [stdout] 5b55971ed2c387e57bd14cad002ac0909b5a3d1cb4be818508a30dad453fc9d8