[INFO] cloning repository https://github.com/alanbaumgartner/rust-poet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alanbaumgartner/rust-poet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanbaumgartner%2Frust-poet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanbaumgartner%2Frust-poet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8cf6f815267155a51eecfde94215dfc198125d31
[INFO] building alanbaumgartner/rust-poet against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanbaumgartner%2Frust-poet" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alanbaumgartner/rust-poet on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alanbaumgartner/rust-poet
[INFO] finished tweaking git repo https://github.com/alanbaumgartner/rust-poet
[INFO] tweaked toml for git repo https://github.com/alanbaumgartner/rust-poet written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alanbaumgartner/rust-poet 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18b74b926466b798d1ee93a444ebdc5e524690402ff7b6f73b7ec4cbf324913b
[INFO] running `Command { std: "docker" "start" "-a" "18b74b926466b798d1ee93a444ebdc5e524690402ff7b6f73b7ec4cbf324913b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18b74b926466b798d1ee93a444ebdc5e524690402ff7b6f73b7ec4cbf324913b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b74b926466b798d1ee93a444ebdc5e524690402ff7b6f73b7ec4cbf324913b", kill_on_drop: false }`
[INFO] [stdout] 18b74b926466b798d1ee93a444ebdc5e524690402ff7b6f73b7ec4cbf324913b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4b5a28897e2cbe9399688b0e81f9b7f3626fda16a71414eda241040a6c1d97f
[INFO] running `Command { std: "docker" "start" "-a" "c4b5a28897e2cbe9399688b0e81f9b7f3626fda16a71414eda241040a6c1d97f", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling rust-poet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `pad_left` is never used
[INFO] [stdout]    --> src/lib.rs:414:8
[INFO] [stdout]     |
[INFO] [stdout] 413 | trait StringExt {
[INFO] [stdout]     |       --------- method in this trait
[INFO] [stdout] 414 |     fn pad_left(&self) -> String;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "c4b5a28897e2cbe9399688b0e81f9b7f3626fda16a71414eda241040a6c1d97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b5a28897e2cbe9399688b0e81f9b7f3626fda16a71414eda241040a6c1d97f", kill_on_drop: false }`
[INFO] [stdout] c4b5a28897e2cbe9399688b0e81f9b7f3626fda16a71414eda241040a6c1d97f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42e674708c8bb39c20e9c2db7c1dd56e5d3c1d4e5839dd40da61f307803abc7c
[INFO] running `Command { std: "docker" "start" "-a" "42e674708c8bb39c20e9c2db7c1dd56e5d3c1d4e5839dd40da61f307803abc7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stdout] warning: method `pad_left` is never used
[INFO] [stdout]    --> src/lib.rs:414:8
[INFO] [stdout]     |
[INFO] [stdout] 413 | trait StringExt {
[INFO] [stdout]     |       --------- method in this trait
[INFO] [stdout] 414 |     fn pad_left(&self) -> String;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-poet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `pad_left` is never used
[INFO] [stdout]    --> src/lib.rs:414:8
[INFO] [stdout]     |
[INFO] [stdout] 413 | trait StringExt {
[INFO] [stdout]     |       --------- method in this trait
[INFO] [stdout] 414 |     fn pad_left(&self) -> String;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "42e674708c8bb39c20e9c2db7c1dd56e5d3c1d4e5839dd40da61f307803abc7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e674708c8bb39c20e9c2db7c1dd56e5d3c1d4e5839dd40da61f307803abc7c", kill_on_drop: false }`
[INFO] [stdout] 42e674708c8bb39c20e9c2db7c1dd56e5d3c1d4e5839dd40da61f307803abc7c