[INFO] cloning repository https://github.com/blawesom/rust-url
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blawesom/rust-url" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblawesom%2Frust-url"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblawesom%2Frust-url'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ecc6944c49e20c37bde7aee1c5eec91b6c79603
[INFO] checking blawesom/rust-url against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblawesom%2Frust-url" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blawesom/rust-url on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/blawesom/rust-url
[INFO] finished tweaking git repo https://github.com/blawesom/rust-url
[INFO] tweaked toml for git repo https://github.com/blawesom/rust-url written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/blawesom/rust-url already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34b6a1137ecfe78dc3aec480f22a391da20fe3a7ed2391af1bd1723dddec362f
[INFO] running `"docker" "start" "-a" "34b6a1137ecfe78dc3aec480f22a391da20fe3a7ed2391af1bd1723dddec362f"`
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.44
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking h2 v0.1.18
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking console v0.7.5
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]    Compiling openssl v0.10.21
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking hyper v0.12.28
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking cookie_store v0.5.1
[INFO] [stderr]     Checking reqwest v0.9.16
[INFO] [stderr]     Checking rust-url v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected `{`, found keyword `let`
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     if url
[INFO] [stderr]    |     -- this `if` statement has a condition, but no block
[INFO] [stderr] 35 |     
[INFO] [stderr] 36 |     let target_url = 
[INFO] [stderr]    |     ^^^ expected `{`
[INFO] [stderr] help: try placing this code inside a block
[INFO] [stderr]    |
[INFO] [stderr] 36 |     { let target_url = 
[INFO] [stderr] 37 | 
[INFO] [stderr] 38 |     let body = reqwest::get(url)?
[INFO] [stderr] 39 |                     .text()?; }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: expected `{`, found keyword `let`
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     if url
[INFO] [stderr]    |     -- this `if` statement has a condition, but no block
[INFO] [stderr] 35 |     
[INFO] [stderr] 36 |     let target_url = 
[INFO] [stderr]    |     ^^^ expected `{`
[INFO] [stderr] help: try placing this code inside a block
[INFO] [stderr]    |
[INFO] [stderr] 36 |     { let target_url = 
[INFO] [stderr] 37 | 
[INFO] [stderr] 38 |     let body = reqwest::get(url)?
[INFO] [stderr] 39 |                     .text()?; }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: `let` expressions in this position are experimental
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | /     let body = reqwest::get(url)?
[INFO] [stderr] 39 | |                     .text()?;
[INFO] [stderr]    | |____________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/53667
[INFO] [stderr]    = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `rust-url`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0658]: `let` expressions in this position are experimental
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | /     let body = reqwest::get(url)?
[INFO] [stderr] 39 | |                     .text()?;
[INFO] [stderr]    | |____________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/53667
[INFO] [stderr]    = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `rust-url`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "34b6a1137ecfe78dc3aec480f22a391da20fe3a7ed2391af1bd1723dddec362f"`
[INFO] running `"docker" "rm" "-f" "34b6a1137ecfe78dc3aec480f22a391da20fe3a7ed2391af1bd1723dddec362f"`
[INFO] [stdout] 34b6a1137ecfe78dc3aec480f22a391da20fe3a7ed2391af1bd1723dddec362f