[INFO] cloning repository https://github.com/gothame/rflask
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gothame/rflask" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgothame%2Frflask", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgothame%2Frflask'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 614800364fb88dab5fc2234595e12a508ea57fbb
[INFO] checking gothame/rflask against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgothame%2Frflask" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gothame/rflask on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gothame/rflask
[INFO] finished tweaking git repo https://github.com/gothame/rflask
[INFO] tweaked toml for git repo https://github.com/gothame/rflask written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/gothame/rflask already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.derive_more.required-features
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.10
[INFO] [stderr]   Downloaded awf-codegen v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbeeb86594e8fabb596aa05d3dc5692d0e2bc6eed2006b2f0d928c0d5c9051ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bbeeb86594e8fabb596aa05d3dc5692d0e2bc6eed2006b2f0d928c0d5c9051ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbeeb86594e8fabb596aa05d3dc5692d0e2bc6eed2006b2f0d928c0d5c9051ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbeeb86594e8fabb596aa05d3dc5692d0e2bc6eed2006b2f0d928c0d5c9051ad", kill_on_drop: false }`
[INFO] [stdout] bbeeb86594e8fabb596aa05d3dc5692d0e2bc6eed2006b2f0d928c0d5c9051ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5a98fe135eb26b35187276afdda662133ad717c59d0d0242ea4404ed1d26e4c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f5a98fe135eb26b35187276afdda662133ad717c59d0d0242ea4404ed1d26e4c", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.derive_more.required-features
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]    Compiling proc-macro2 v0.4.30
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[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
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[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling failure_derive v0.1.5
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[INFO] [stderr]     Checking ppv-lite86 v0.2.5
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[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking arc-swap v0.4.2
[INFO] [stderr]    Compiling encoding_rs v0.8.19
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking indexmap v1.2.0
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[INFO] [stderr]     Checking actix-service v0.4.2
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[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking lock_api v0.1.5
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[INFO] [stderr]    Compiling quote v1.0.2
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[INFO] [stderr]     Checking tokio-current-thread v0.1.6
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[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
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[INFO] [stderr]    Compiling aho-corasick v0.7.6
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[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking chrono v0.4.9
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[INFO] [stderr]     Checking rand v0.7.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
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[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking backtrace v0.3.37
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[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
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[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling ctor v0.1.10
[INFO] [stderr]    Compiling inventory-impl v0.1.4
[INFO] [stderr]    Compiling awf-codegen v0.1.2
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking inventory v0.1.4
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking actix-threadpool v0.1.2
[INFO] [stderr]     Checking serde v1.0.100
[INFO] [stderr]     Checking actix-rt v0.2.5
[INFO] [stderr]     Checking actix-connect v0.2.5
[INFO] [stderr]     Checking actix-server v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking actix-http v0.2.10
[INFO] [stderr]     Checking awc v0.2.6
[INFO] [stderr]     Checking actix-web v1.0.7
[INFO] [stderr]     Checking awf-help v0.1.2 (/opt/rustwide/workdir/awf-help)
[INFO] [stderr]     Checking rflask v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `dev`
[INFO] [stdout]  --> src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use actix_web::{dev, web, App, Error, FromRequest, HttpRequest, HttpServer, Responder};
[INFO] [stdout]   |                 ^^^            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `actix_web::error::ErrorBadRequest`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use actix_web::error::ErrorBadRequest;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]   --> src/main.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::{Arc, Mutex};
[INFO] [stdout]    |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `dev`
[INFO] [stdout]  --> src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use actix_web::{dev, web, App, Error, FromRequest, HttpRequest, HttpServer, Responder};
[INFO] [stdout]   |                 ^^^            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `actix_web::error::ErrorBadRequest`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use actix_web::error::ErrorBadRequest;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]   --> src/main.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::{Arc, Mutex};
[INFO] [stdout]    |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromRequest`
[INFO] [stdout]  --> src/main.rs:7:39
[INFO] [stdout]   |
[INFO] [stdout] 7 | use actix_web::{dev, web, App, Error, FromRequest, HttpRequest, HttpServer, Responder};
[INFO] [stdout]   |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let name = req.match_info().get("name").unwrap_or("World");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn greet3(req: HttpRequest, name: web::Path<String>) -> String {
[INFO] [stdout]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn get(req: HttpRequest) -> String {
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn post(req: HttpRequest) -> String {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromRequest`
[INFO] [stdout]  --> src/main.rs:7:39
[INFO] [stdout]   |
[INFO] [stdout] 7 | use actix_web::{dev, web, App, Error, FromRequest, HttpRequest, HttpServer, Responder};
[INFO] [stdout]   |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let name = req.match_info().get("name").unwrap_or("World");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn greet3(req: HttpRequest, name: web::Path<String>) -> String {
[INFO] [stdout]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn get(req: HttpRequest) -> String {
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn post(req: HttpRequest) -> String {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "f5a98fe135eb26b35187276afdda662133ad717c59d0d0242ea4404ed1d26e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a98fe135eb26b35187276afdda662133ad717c59d0d0242ea4404ed1d26e4c", kill_on_drop: false }`
[INFO] [stdout] f5a98fe135eb26b35187276afdda662133ad717c59d0d0242ea4404ed1d26e4c