[INFO] cloning repository https://github.com/NotCreative21/shttpd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NotCreative21/shttpd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotCreative21%2Fshttpd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotCreative21%2Fshttpd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85966c44441bd75aa2cf6ddf3f5c409c5d715d6f
[INFO] checking NotCreative21/shttpd against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotCreative21%2Fshttpd" "/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/NotCreative21/shttpd on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NotCreative21/shttpd
[INFO] finished tweaking git repo https://github.com/NotCreative21/shttpd
[INFO] tweaked toml for git repo https://github.com/NotCreative21/shttpd written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NotCreative21/shttpd 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3a0f474f1392500ed793cf22859a103a7ded0cfe1719ba7e54bf65bd82fe510
[INFO] running `Command { std: "docker" "start" "-a" "b3a0f474f1392500ed793cf22859a103a7ded0cfe1719ba7e54bf65bd82fe510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3a0f474f1392500ed793cf22859a103a7ded0cfe1719ba7e54bf65bd82fe510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a0f474f1392500ed793cf22859a103a7ded0cfe1719ba7e54bf65bd82fe510", kill_on_drop: false }`
[INFO] [stdout] b3a0f474f1392500ed793cf22859a103a7ded0cfe1719ba7e54bf65bd82fe510
[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" "-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5855ffd0425ecdaed3c085f2be667b81863ea7e42e2fed0c4e22b069a1626746
[INFO] running `Command { std: "docker" "start" "-a" "5855ffd0425ecdaed3c085f2be667b81863ea7e42e2fed0c4e22b069a1626746", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking blocking v1.1.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking shttpd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `log_file` is never read
[INFO] [stdout]   --> src/config.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Dir {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 28 |     pub html_dir: Option<String>,
[INFO] [stdout] 29 |     pub log_file: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `live_config`, `live_pages`, and `assume_html` are never read
[INFO] [stdout]   --> src/config.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Options {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub live_config: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 40 |     pub live_pages: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 41 |     pub assume_html: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `log_file` is never read
[INFO] [stdout]   --> src/config.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Dir {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 28 |     pub html_dir: Option<String>,
[INFO] [stdout] 29 |     pub log_file: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `live_config`, `live_pages`, and `assume_html` are never read
[INFO] [stdout]   --> src/config.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Options {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub live_config: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 40 |     pub live_pages: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 41 |     pub assume_html: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.23s
[INFO] running `Command { std: "docker" "inspect" "5855ffd0425ecdaed3c085f2be667b81863ea7e42e2fed0c4e22b069a1626746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5855ffd0425ecdaed3c085f2be667b81863ea7e42e2fed0c4e22b069a1626746", kill_on_drop: false }`
[INFO] [stdout] 5855ffd0425ecdaed3c085f2be667b81863ea7e42e2fed0c4e22b069a1626746
[INFO] checking NotCreative21/shttpd against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotCreative21%2Fshttpd" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NotCreative21/shttpd on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NotCreative21/shttpd
[INFO] finished tweaking git repo https://github.com/NotCreative21/shttpd
[INFO] tweaked toml for git repo https://github.com/NotCreative21/shttpd written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/NotCreative21/shttpd 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22a405a4de5151636b8e021abf7975004293621293f59998de6a7319ea482149
[INFO] running `Command { std: "docker" "start" "-a" "22a405a4de5151636b8e021abf7975004293621293f59998de6a7319ea482149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22a405a4de5151636b8e021abf7975004293621293f59998de6a7319ea482149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22a405a4de5151636b8e021abf7975004293621293f59998de6a7319ea482149", kill_on_drop: false }`
[INFO] [stdout] 22a405a4de5151636b8e021abf7975004293621293f59998de6a7319ea482149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4f9595677d5f6f1981ade71ea365f5a368c7c8a938c9a40ac373e0ab5158ccf
[INFO] running `Command { std: "docker" "start" "-a" "d4f9595677d5f6f1981ade71ea365f5a368c7c8a938c9a40ac373e0ab5158ccf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking blocking v1.1.0
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking shttpd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `log_file` is never read
[INFO] [stdout]   --> src/config.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Dir {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 28 |     pub html_dir: Option<String>,
[INFO] [stdout] 29 |     pub log_file: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `live_config`, `live_pages`, and `assume_html` are never read
[INFO] [stdout]   --> src/config.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Options {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub live_config: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 40 |     pub live_pages: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 41 |     pub assume_html: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `log_file` is never read
[INFO] [stdout]   --> src/config.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Dir {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 28 |     pub html_dir: Option<String>,
[INFO] [stdout] 29 |     pub log_file: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `live_config`, `live_pages`, and `assume_html` are never read
[INFO] [stdout]   --> src/config.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Options {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub live_config: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 40 |     pub live_pages: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 41 |     pub assume_html: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[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 21.07s
[INFO] running `Command { std: "docker" "inspect" "d4f9595677d5f6f1981ade71ea365f5a368c7c8a938c9a40ac373e0ab5158ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f9595677d5f6f1981ade71ea365f5a368c7c8a938c9a40ac373e0ab5158ccf", kill_on_drop: false }`
[INFO] [stdout] d4f9595677d5f6f1981ade71ea365f5a368c7c8a938c9a40ac373e0ab5158ccf