[INFO] cloning repository https://github.com/shirokurostone/rust-http-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shirokurostone/rust-http-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshirokurostone%2Frust-http-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshirokurostone%2Frust-http-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb18ea3b9b672d9a93fa721295d6e121066d9dbe
[INFO] checking shirokurostone/rust-http-practice against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshirokurostone%2Frust-http-practice" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shirokurostone/rust-http-practice on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shirokurostone/rust-http-practice
[INFO] finished tweaking git repo https://github.com/shirokurostone/rust-http-practice
[INFO] tweaked toml for git repo https://github.com/shirokurostone/rust-http-practice written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/shirokurostone/rust-http-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bd2cf6205a7e30afa07f88bcb4f08c09fa86624b3c317586a3a7586c5c418fa
[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" "9bd2cf6205a7e30afa07f88bcb4f08c09fa86624b3c317586a3a7586c5c418fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bd2cf6205a7e30afa07f88bcb4f08c09fa86624b3c317586a3a7586c5c418fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd2cf6205a7e30afa07f88bcb4f08c09fa86624b3c317586a3a7586c5c418fa", kill_on_drop: false }`
[INFO] [stdout] 9bd2cf6205a7e30afa07f88bcb4f08c09fa86624b3c317586a3a7586c5c418fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99eb67526536054d56e02a027c17a8e1d91b682476953551c029c11e2773f088
[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" "99eb67526536054d56e02a027c17a8e1d91b682476953551c029c11e2773f088", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking rust-http-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `url::ParseError`
[INFO] [stdout]  --> src/common.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use url::ParseError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `url::ParseError`
[INFO] [stdout]  --> src/common.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use url::ParseError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/common.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn insert(&mut self, key: String, value: String) -> Option<String>{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/common.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn insert(&mut self, key: String, value: String) -> Option<String>{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 [unoptimized + debuginfo] target(s) in 15.94s
[INFO] running `Command { std: "docker" "inspect" "99eb67526536054d56e02a027c17a8e1d91b682476953551c029c11e2773f088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99eb67526536054d56e02a027c17a8e1d91b682476953551c029c11e2773f088", kill_on_drop: false }`
[INFO] [stdout] 99eb67526536054d56e02a027c17a8e1d91b682476953551c029c11e2773f088