[INFO] cloning repository https://github.com/EarlPomeroy/rust-simple-webserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EarlPomeroy/rust-simple-webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEarlPomeroy%2Frust-simple-webserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEarlPomeroy%2Frust-simple-webserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b390702095f6ebea6a3a1e15669054c14ce7ef7
[INFO] checking EarlPomeroy/rust-simple-webserver/9b390702095f6ebea6a3a1e15669054c14ce7ef7 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEarlPomeroy%2Frust-simple-webserver" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EarlPomeroy/rust-simple-webserver on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EarlPomeroy/rust-simple-webserver
[INFO] finished tweaking git repo https://github.com/EarlPomeroy/rust-simple-webserver
[INFO] tweaked toml for git repo https://github.com/EarlPomeroy/rust-simple-webserver written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/EarlPomeroy/rust-simple-webserver 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed3eaa880a84e11705e7c58de2b82624fbbbb416452b75a36a53b962bb886f8c
[INFO] running `Command { std: "docker" "start" "-a" "ed3eaa880a84e11705e7c58de2b82624fbbbb416452b75a36a53b962bb886f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed3eaa880a84e11705e7c58de2b82624fbbbb416452b75a36a53b962bb886f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3eaa880a84e11705e7c58de2b82624fbbbb416452b75a36a53b962bb886f8c", kill_on_drop: false }`
[INFO] [stdout] ed3eaa880a84e11705e7c58de2b82624fbbbb416452b75a36a53b962bb886f8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 338db99f2d51d8e77beeb2894e973d9753304c6cc40bb43890a897852134f915
[INFO] running `Command { std: "docker" "start" "-a" "338db99f2d51d8e77beeb2894e973d9753304c6cc40bb43890a897852134f915", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking equivalent v1.0.0
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking unsafe-libyaml v0.2.8
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling serde_derive v1.0.166
[INFO] [stderr]     Checking serde_yaml v0.9.22
[INFO] [stderr]     Checking rust-simple-webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/worker/mod.rs:44:54
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn clean<'a>(&'a self, request_file: &'a 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/worker/mod.rs:44:54
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn clean<'a>(&'a self, request_file: &'a 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: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/worker/mod.rs:63:56
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let request_file = self.clean(method_request[1].clone());
[INFO] [stdout]    |                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/worker/mod.rs:63:56
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let request_file = self.clean(method_request[1].clone());
[INFO] [stdout]    |                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.21s
[INFO] running `Command { std: "docker" "inspect" "338db99f2d51d8e77beeb2894e973d9753304c6cc40bb43890a897852134f915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "338db99f2d51d8e77beeb2894e973d9753304c6cc40bb43890a897852134f915", kill_on_drop: false }`
[INFO] [stdout] 338db99f2d51d8e77beeb2894e973d9753304c6cc40bb43890a897852134f915