[INFO] cloning repository https://github.com/jackjazb/rust-webserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackjazb/rust-webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackjazb%2Frust-webserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackjazb%2Frust-webserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38760ac83aac23c7ed71e13e1a41e49fdcd1b98a
[INFO] checking jackjazb/rust-webserver against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackjazb%2Frust-webserver" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackjazb/rust-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/jackjazb/rust-webserver
[INFO] finished tweaking git repo https://github.com/jackjazb/rust-webserver
[INFO] tweaked toml for git repo https://github.com/jackjazb/rust-webserver written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jackjazb/rust-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 markdown v1.0.0-alpha.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f950b693bb33a7dccae48049c31d7e103f4e0384157c2add49825d3a20bc461d
[INFO] running `Command { std: "docker" "start" "-a" "f950b693bb33a7dccae48049c31d7e103f4e0384157c2add49825d3a20bc461d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f950b693bb33a7dccae48049c31d7e103f4e0384157c2add49825d3a20bc461d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f950b693bb33a7dccae48049c31d7e103f4e0384157c2add49825d3a20bc461d", kill_on_drop: false }`
[INFO] [stdout] f950b693bb33a7dccae48049c31d7e103f4e0384157c2add49825d3a20bc461d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d90ea6f2911de4f9330199da2898e45b06bac92a552e10e6de7b4a5bc0575a9d
[INFO] running `Command { std: "docker" "start" "-a" "d90ea6f2911de4f9330199da2898e45b06bac92a552e10e6de7b4a5bc0575a9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]     Checking unicode-id v0.3.3
[INFO] [stderr]     Checking markdown v1.0.0-alpha.11
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.23
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking clap v4.3.23
[INFO] [stderr]     Checking miniserve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `BTreeMap` is imported redundantly
[INFO] [stdout]   --> src/router.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use std::collections::BTreeMap;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |
[INFO] [stdout] 48 |     use super::*;
[INFO] [stdout]    |         -------- the item `BTreeMap` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "d90ea6f2911de4f9330199da2898e45b06bac92a552e10e6de7b4a5bc0575a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90ea6f2911de4f9330199da2898e45b06bac92a552e10e6de7b4a5bc0575a9d", kill_on_drop: false }`
[INFO] [stdout] d90ea6f2911de4f9330199da2898e45b06bac92a552e10e6de7b4a5bc0575a9d
[INFO] checking jackjazb/rust-webserver against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackjazb%2Frust-webserver" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackjazb/rust-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/jackjazb/rust-webserver
[INFO] finished tweaking git repo https://github.com/jackjazb/rust-webserver
[INFO] tweaked toml for git repo https://github.com/jackjazb/rust-webserver written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jackjazb/rust-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2cbebf844305d5aca34ba5809e545719e723ca977f941d33c5b650fb60d643a5
[INFO] running `Command { std: "docker" "start" "-a" "2cbebf844305d5aca34ba5809e545719e723ca977f941d33c5b650fb60d643a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cbebf844305d5aca34ba5809e545719e723ca977f941d33c5b650fb60d643a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbebf844305d5aca34ba5809e545719e723ca977f941d33c5b650fb60d643a5", kill_on_drop: false }`
[INFO] [stdout] 2cbebf844305d5aca34ba5809e545719e723ca977f941d33c5b650fb60d643a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4b132543db051f33d3ff6c0ddc6e561b369b43d4cff83c4eba2e494ee37d5ea5
[INFO] running `Command { std: "docker" "start" "-a" "4b132543db051f33d3ff6c0ddc6e561b369b43d4cff83c4eba2e494ee37d5ea5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking unicode-id v0.3.3
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]     Checking markdown v1.0.0-alpha.11
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.180/src/lib_precompiled.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         panic!();
[INFO] [stdout]    |         ^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] [stderr] error: could not compile `serde_derive` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4b132543db051f33d3ff6c0ddc6e561b369b43d4cff83c4eba2e494ee37d5ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b132543db051f33d3ff6c0ddc6e561b369b43d4cff83c4eba2e494ee37d5ea5", kill_on_drop: false }`
[INFO] [stdout] 4b132543db051f33d3ff6c0ddc6e561b369b43d4cff83c4eba2e494ee37d5ea5