[INFO] cloning repository https://github.com/wulusai2333/ruststudy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wulusai2333/ruststudy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwulusai2333%2Fruststudy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwulusai2333%2Fruststudy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c84c68cd40dcc6b58023237a270f59664c0b8679
[INFO] checking wulusai2333/ruststudy against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwulusai2333%2Fruststudy" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wulusai2333/ruststudy on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wulusai2333/ruststudy
[INFO] finished tweaking git repo https://github.com/wulusai2333/ruststudy
[INFO] tweaked toml for git repo https://github.com/wulusai2333/ruststudy written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/wulusai2333/ruststudy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 411b4079d13d92d82d9bad3e1f01a8cfaf33d55bee37efb0550ce5712cee5af6
[INFO] running `Command { std: "docker" "start" "-a" "411b4079d13d92d82d9bad3e1f01a8cfaf33d55bee37efb0550ce5712cee5af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "411b4079d13d92d82d9bad3e1f01a8cfaf33d55bee37efb0550ce5712cee5af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411b4079d13d92d82d9bad3e1f01a8cfaf33d55bee37efb0550ce5712cee5af6", kill_on_drop: false }`
[INFO] [stdout] 411b4079d13d92d82d9bad3e1f01a8cfaf33d55bee37efb0550ce5712cee5af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d51d202343bd437247cb53998bc9e0441d728cfab694e95f3bcb36468e75a67
[INFO] running `Command { std: "docker" "start" "-a" "0d51d202343bd437247cb53998bc9e0441d728cfab694e95f3bcb36468e75a67", kill_on_drop: false }`
[INFO] [stderr]     Checking ruststudy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> src/main.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     print!(y);
[INFO] [stdout]    |            ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 70 |     print!("{}", y);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `U` in this scope
[INFO] [stdout]   --> src/main.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 40 | const C: i32 = 10;
[INFO] [stdout]    | ------------------ similarly named constant `C` defined here
[INFO] [stdout] ...
[INFO] [stdout] 65 |     let x: char = U + 0000;
[INFO] [stdout]    |                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: a constant with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let x: char = C + 0000;
[INFO] [stdout]    |                   ^
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn test_data_type<U>() {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `u` in this scope
[INFO] [stdout]   --> src/main.rs:68:42
[INFO] [stdout]    |
[INFO] [stdout] 40 | const C: i32 = 10;
[INFO] [stdout]    | ------------------ similarly named constant `C` defined here
[INFO] [stdout] ...
[INFO] [stdout] 68 |     let tup: (i32, f64, char) = (1, 1.0, u + 1010);
[INFO] [stdout]    |                                          ^ help: a constant with a similar name exists: `C`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> src/main.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     print!(y);
[INFO] [stdout]    |            ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 70 |     print!("{}", y);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruststudy`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find value `U` in this scope
[INFO] [stdout]   --> src/main.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 40 | const C: i32 = 10;
[INFO] [stdout]    | ------------------ similarly named constant `C` defined here
[INFO] [stdout] ...
[INFO] [stdout] 65 |     let x: char = U + 0000;
[INFO] [stdout]    |                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: a constant with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let x: char = C + 0000;
[INFO] [stdout]    |                   ^
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn test_data_type<U>() {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `u` in this scope
[INFO] [stdout]   --> src/main.rs:68:42
[INFO] [stdout]    |
[INFO] [stdout] 40 | const C: i32 = 10;
[INFO] [stdout]    | ------------------ similarly named constant `C` defined here
[INFO] [stdout] ...
[INFO] [stdout] 68 |     let tup: (i32, f64, char) = (1, 1.0, u + 1010);
[INFO] [stdout]    |                                          ^ help: a constant with a similar name exists: `C`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0d51d202343bd437247cb53998bc9e0441d728cfab694e95f3bcb36468e75a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d51d202343bd437247cb53998bc9e0441d728cfab694e95f3bcb36468e75a67", kill_on_drop: false }`
[INFO] [stdout] 0d51d202343bd437247cb53998bc9e0441d728cfab694e95f3bcb36468e75a67