[INFO] fetching crate titleformat-rs 0.1.0...
[INFO] checking titleformat-rs-0.1.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate titleformat-rs 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate titleformat-rs 0.1.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate titleformat-rs 0.1.0
[INFO] finished tweaking crates.io crate titleformat-rs 0.1.0
[INFO] tweaked toml for crates.io crate titleformat-rs 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa9e64bd2428812244cc7f8748fc9f7f800b8c4c47520056f20aa7cbebf9ca51
[INFO] running `Command { std: "docker" "start" "-a" "fa9e64bd2428812244cc7f8748fc9f7f800b8c4c47520056f20aa7cbebf9ca51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa9e64bd2428812244cc7f8748fc9f7f800b8c4c47520056f20aa7cbebf9ca51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa9e64bd2428812244cc7f8748fc9f7f800b8c4c47520056f20aa7cbebf9ca51", kill_on_drop: false }`
[INFO] [stdout] fa9e64bd2428812244cc7f8748fc9f7f800b8c4c47520056f20aa7cbebf9ca51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9c10093203df4397aff6c6ce96a84b8e23762ca761d4adc98455b27191b0162
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f9c10093203df4397aff6c6ce96a84b8e23762ca761d4adc98455b27191b0162", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking titleformat-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stdout]   --> src/functions/num/mod.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 |     s = s.trim_left().to_string();
[INFO] [stdout]    |           ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stdout]   --> src/functions/num/mod.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 |     s = s.trim_left().to_string();
[INFO] [stdout]    |           ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/program.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |           let mut new_arg = self.eval(env, arg)?;
[INFO] [stdout]    |               ----^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/program.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |           let mut new_arg = self.eval(env, arg)?;
[INFO] [stdout]    |               ----^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `Command { std: "docker" "inspect" "f9c10093203df4397aff6c6ce96a84b8e23762ca761d4adc98455b27191b0162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c10093203df4397aff6c6ce96a84b8e23762ca761d4adc98455b27191b0162", kill_on_drop: false }`
[INFO] [stdout] f9c10093203df4397aff6c6ce96a84b8e23762ca761d4adc98455b27191b0162