[INFO] fetching crate calc_engine 0.4.1...
[INFO] building calc_engine-0.4.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate calc_engine 0.4.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate calc_engine 0.4.1 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 crates.io crate calc_engine 0.4.1
[INFO] finished tweaking crates.io crate calc_engine 0.4.1
[INFO] tweaked toml for crates.io crate calc_engine 0.4.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate calc_engine 0.4.1 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded auto_correct_n_suggest v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a91b1054e4c324f6b8f497b836aa1fc365c9e714032ef31102ec498af0a542a7
[INFO] running `Command { std: "docker" "start" "-a" "a91b1054e4c324f6b8f497b836aa1fc365c9e714032ef31102ec498af0a542a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a91b1054e4c324f6b8f497b836aa1fc365c9e714032ef31102ec498af0a542a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a91b1054e4c324f6b8f497b836aa1fc365c9e714032ef31102ec498af0a542a7", kill_on_drop: false }`
[INFO] [stdout] a91b1054e4c324f6b8f497b836aa1fc365c9e714032ef31102ec498af0a542a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e7f55fafcdbddd9020a6fd921e923965d032edb783645474c2085799c2c825bf
[INFO] running `Command { std: "docker" "start" "-a" "e7f55fafcdbddd9020a6fd921e923965d032edb783645474c2085799c2c825bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling auto_correct_n_suggest v0.2.0
[INFO] [stderr]    Compiling calc_engine v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/scanner.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl<'a> Scanner<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 38 |     fn initialize(source: &'a str) -> Scanner {
[INFO] [stdout]    |                                       ^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "e7f55fafcdbddd9020a6fd921e923965d032edb783645474c2085799c2c825bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f55fafcdbddd9020a6fd921e923965d032edb783645474c2085799c2c825bf", kill_on_drop: false }`
[INFO] [stdout] e7f55fafcdbddd9020a6fd921e923965d032edb783645474c2085799c2c825bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bca90fc660c350c87d584d413063d29a555ff07935eb6cc707fda0febf191b34
[INFO] running `Command { std: "docker" "start" "-a" "bca90fc660c350c87d584d413063d29a555ff07935eb6cc707fda0febf191b34", kill_on_drop: false }`
[INFO] [stderr]    Compiling calc_engine v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/scanner.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl<'a> Scanner<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 38 |     fn initialize(source: &'a str) -> Scanner {
[INFO] [stdout]    |                                       ^^^^^^^ 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/scanner.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl<'a> Scanner<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 38 |     fn initialize(source: &'a str) -> Scanner {
[INFO] [stdout]    |                                       ^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "bca90fc660c350c87d584d413063d29a555ff07935eb6cc707fda0febf191b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca90fc660c350c87d584d413063d29a555ff07935eb6cc707fda0febf191b34", kill_on_drop: false }`
[INFO] [stdout] bca90fc660c350c87d584d413063d29a555ff07935eb6cc707fda0febf191b34