[INFO] cloning repository https://github.com/Nilstrieb/libuwuc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nilstrieb/libuwuc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilstrieb%2Flibuwuc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilstrieb%2Flibuwuc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfdf45b5c76013e9f7b54c10ad64e0d0a39ea5a3
[INFO] checking Nilstrieb/libuwuc against try#50d7e48beb74b48bd17c3749bfb73843c9ae0166 for pr-151102
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilstrieb%2Flibuwuc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Nilstrieb/libuwuc
[INFO] finished tweaking git repo https://github.com/Nilstrieb/libuwuc
[INFO] tweaked toml for git repo https://github.com/Nilstrieb/libuwuc written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Nilstrieb/libuwuc on toolchain 50d7e48beb74b48bd17c3749bfb73843c9ae0166
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Nilstrieb/libuwuc 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" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spinning_top v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d650c9260ee6194991513eca0ae5dddc14eaeb1a59db4262179da20d142973d1
[INFO] running `Command { std: "docker" "start" "-a" "d650c9260ee6194991513eca0ae5dddc14eaeb1a59db4262179da20d142973d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d650c9260ee6194991513eca0ae5dddc14eaeb1a59db4262179da20d142973d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d650c9260ee6194991513eca0ae5dddc14eaeb1a59db4262179da20d142973d1", kill_on_drop: false }`
[INFO] [stdout] d650c9260ee6194991513eca0ae5dddc14eaeb1a59db4262179da20d142973d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad4e335318e245e2f37d3ed5439f756bea3474fbd0a8bfd8ada21a823319497f
[INFO] running `Command { std: "docker" "start" "-a" "ad4e335318e245e2f37d3ed5439f756bea3474fbd0a8bfd8ada21a823319497f", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling rawc v0.1.0 (/opt/rustwide/workdir/rawc)
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking linked_list_allocator v0.10.5
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]     Checking libuwuc v0.1.0 (/opt/rustwide/workdir/libuwuc)
[INFO] [stdout] error[E0107]: struct takes 1 lifetime argument but 2 lifetime arguments were supplied
[INFO] [stdout]  --> libuwuc/src/fmt/printf.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     mut args: VaList<'_, '_>,
[INFO] [stdout]   |               ^^^^^^   ---- help: remove the lifetime argument
[INFO] [stdout]   |               |
[INFO] [stdout]   |               expected 1 lifetime argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: struct takes 1 lifetime argument but 2 lifetime arguments were supplied
[INFO] [stdout]  --> libuwuc/src/fmt/printf.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     mut args: VaList<'_, '_>,
[INFO] [stdout]   |               ^^^^^^   ---- help: remove the lifetime argument
[INFO] [stdout]   |               |
[INFO] [stdout]   |               expected 1 lifetime argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u8: VaArgSafe` is not satisfied
[INFO] [stdout]   --> libuwuc/src/fmt/printf.rs:20:43
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     let char = args.arg::<u8>();
[INFO] [stdout]    |                                     ---   ^^ the trait `VaArgSafe` is not implemented for `u8`
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `VaArgSafe`:
[INFO] [stdout]              f64
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              isize
[INFO] [stdout]              u32
[INFO] [stdout]              u64
[INFO] [stdout]              usize
[INFO] [stdout] note: required by a bound in `VaList::<'f>::arg`
[INFO] [stdout]   --> /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/core/src/ffi/va_list.rs:250:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u8: VaArgSafe` is not satisfied
[INFO] [stdout]   --> libuwuc/src/fmt/printf.rs:20:43
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     let char = args.arg::<u8>();
[INFO] [stdout]    |                                     ---   ^^ the trait `VaArgSafe` is not implemented for `u8`
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `VaArgSafe`:
[INFO] [stdout]              f64
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              isize
[INFO] [stdout]              u32
[INFO] [stdout]              u64
[INFO] [stdout]              usize
[INFO] [stdout] note: required by a bound in `VaList::<'f>::arg`
[INFO] [stdout]   --> /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/core/src/ffi/va_list.rs:250:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_va_list` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]   --> libuwuc/src/fmt/printf.rs:57:45
[INFO] [stdout]    |
[INFO] [stdout] 57 |         printf_generic(&mut sink, fmt, args.as_va_list()).unwrap();
[INFO] [stdout]    |                                             ^^^^^^^^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libuwuc` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0107, E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libuwuc` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ad4e335318e245e2f37d3ed5439f756bea3474fbd0a8bfd8ada21a823319497f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4e335318e245e2f37d3ed5439f756bea3474fbd0a8bfd8ada21a823319497f", kill_on_drop: false }`
[INFO] [stdout] ad4e335318e245e2f37d3ed5439f756bea3474fbd0a8bfd8ada21a823319497f
