[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 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEarlPomeroy%2Frust-simple-webserver" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EarlPomeroy/rust-simple-webserver on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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-3-tc1/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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.9.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e24e6c0bf33512b9599bd5ee4718b28542c15fadd5df82493464efc63594f651
[INFO] running `Command { std: "docker" "start" "-a" "e24e6c0bf33512b9599bd5ee4718b28542c15fadd5df82493464efc63594f651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e24e6c0bf33512b9599bd5ee4718b28542c15fadd5df82493464efc63594f651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e24e6c0bf33512b9599bd5ee4718b28542c15fadd5df82493464efc63594f651", kill_on_drop: false }`
[INFO] [stdout] e24e6c0bf33512b9599bd5ee4718b28542c15fadd5df82493464efc63594f651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec31cb29093f889ba287bc625db1d065df81788f8718c0309419e03525f0d076
[INFO] running `Command { std: "docker" "start" "-a" "ec31cb29093f889ba287bc625db1d065df81788f8718c0309419e03525f0d076", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]     Checking equivalent v1.0.0
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking unsafe-libyaml v0.2.8
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.23s
[INFO] running `Command { std: "docker" "inspect" "ec31cb29093f889ba287bc625db1d065df81788f8718c0309419e03525f0d076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec31cb29093f889ba287bc625db1d065df81788f8718c0309419e03525f0d076", kill_on_drop: false }`
[INFO] [stdout] ec31cb29093f889ba287bc625db1d065df81788f8718c0309419e03525f0d076
[INFO] checking EarlPomeroy/rust-simple-webserver against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEarlPomeroy%2Frust-simple-webserver" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EarlPomeroy/rust-simple-webserver on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 322468b09f6136bf5e99580108a4133ac66824cab6e39183772170f42bc3e683
[INFO] running `Command { std: "docker" "start" "-a" "322468b09f6136bf5e99580108a4133ac66824cab6e39183772170f42bc3e683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "322468b09f6136bf5e99580108a4133ac66824cab6e39183772170f42bc3e683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322468b09f6136bf5e99580108a4133ac66824cab6e39183772170f42bc3e683", kill_on_drop: false }`
[INFO] [stdout] 322468b09f6136bf5e99580108a4133ac66824cab6e39183772170f42bc3e683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 995720778b1339c96ab7e718ac624e9e9d87f0db192ef3a2128a954a874809d6
[INFO] running `Command { std: "docker" "start" "-a" "995720778b1339c96ab7e718ac624e9e9d87f0db192ef3a2128a954a874809d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]     Checking equivalent v1.0.0
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking unsafe-libyaml v0.2.8
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[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] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/config/mod.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 | /                     match serde_yaml::from_reader::<_, Config>(reader) {
[INFO] [stdout] 57 | |                         Ok(config) => {
[INFO] [stdout] 58 | |                             println!("Found {}", config_file);
[INFO] [stdout] 59 | |                             return Ok(config);
[INFO] [stdout] 60 | |                         }
[INFO] [stdout] 61 | |                         Err(msg) => return Err(format!("Error reading {}: {}", config_file, msg)),
[INFO] [stdout] 62 | |                     };
[INFO] [stdout]    | |_____________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/config/mod.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 | /                     match serde_yaml::from_reader::<_, Config>(reader) {
[INFO] [stdout] 57 | |                         Ok(config) => {
[INFO] [stdout] 58 | |                             println!("Found {}", config_file);
[INFO] [stdout] 59 | |                             return Ok(config);
[INFO] [stdout] 60 | |                         }
[INFO] [stdout] 61 | |                         Err(msg) => return Err(format!("Error reading {}: {}", config_file, msg)),
[INFO] [stdout] 62 | |                     };
[INFO] [stdout]    | |_____________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-simple-webserver` (bin "rust-simple-webserver") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-simple-webserver` (bin "rust-simple-webserver" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "995720778b1339c96ab7e718ac624e9e9d87f0db192ef3a2128a954a874809d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "995720778b1339c96ab7e718ac624e9e9d87f0db192ef3a2128a954a874809d6", kill_on_drop: false }`
[INFO] [stdout] 995720778b1339c96ab7e718ac624e9e9d87f0db192ef3a2128a954a874809d6