[INFO] cloning repository https://github.com/sumomoneko/hochwasser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sumomoneko/hochwasser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumomoneko%2Fhochwasser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumomoneko%2Fhochwasser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a7d202309ba53f107d024c77b60b48f417002f3
[INFO] checking sumomoneko/hochwasser against a621e2b446eafb53c7a8569f225e0b8cc2429a68 for pr-162600
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumomoneko%2Fhochwasser" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sumomoneko/hochwasser
[INFO] finished tweaking git repo https://github.com/sumomoneko/hochwasser
[INFO] tweaked toml for git repo https://github.com/sumomoneko/hochwasser written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sumomoneko/hochwasser on toolchain a621e2b446eafb53c7a8569f225e0b8cc2429a68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sumomoneko/hochwasser 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" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/sumomoneko/raw-socket`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-executor v0.3.16
[INFO] [stderr]   Downloaded structopt-derive v0.4.15
[INFO] [stderr]   Downloaded itertools v0.10.1
[INFO] [stderr]   Downloaded nix v0.22.1
[INFO] [stderr]   Downloaded libc v0.2.100
[INFO] [stderr]   Downloaded structopt v0.3.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d64fd922caa0b09dd670b14ed836b3355e03977a42c9a4b73cb2deccd4643915
[INFO] running `Command { std: "docker" "start" "d64fd922caa0b09dd670b14ed836b3355e03977a42c9a4b73cb2deccd4643915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d64fd922caa0b09dd670b14ed836b3355e03977a42c9a4b73cb2deccd4643915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d64fd922caa0b09dd670b14ed836b3355e03977a42c9a4b73cb2deccd4643915" "/opt/rustwide/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d64fd922caa0b09dd670b14ed836b3355e03977a42c9a4b73cb2deccd4643915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d64fd922caa0b09dd670b14ed836b3355e03977a42c9a4b73cb2deccd4643915" "/opt/rustwide/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking nix v0.22.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking tokio v1.10.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking raw-socket v0.0.2 (https://github.com/sumomoneko/raw-socket#90cf051c)
[INFO] [stderr]     Checking hochwasser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]     --> src/main.rs:147:10
[INFO] [stdout]      |
[INFO] [stdout]  147 |         .try_collect()?;
[INFO] [stdout]      |          ^^^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<Result<T, E>>` is conditionally implemented for `Result<V, E>`
[INFO] [stdout]     --> /rustc/a621e2b446eafb53c7a8569f225e0b8cc2429a68/library/core/src/result.rs:2114:14
[INFO] [stdout]      |
[INFO] [stdout]      = note: unsatisfied requirement introduced here: `_: FromIterator<_>`
[INFO] [stdout]      = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]      = help: you might have intended to use the type `()` here instead
[INFO] [stdout]      = note: required for `Result<!, anyhow::Error>` to implement `FromIterator<Result<(), anyhow::Error>>`
[INFO] [stdout] note: required by a bound in `itertools::Itertools::try_collect`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.10.1/src/lib.rs:2010:23
[INFO] [stdout]      |
[INFO] [stdout] 2007 |     fn try_collect<T, U, E>(self) -> Result<U, E>
[INFO] [stdout]      |        ----------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 2010 |         Result<U, E>: FromIterator<Result<T, E>>,
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Itertools::try_collect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]     --> src/main.rs:147:10
[INFO] [stdout]      |
[INFO] [stdout]  147 |         .try_collect()?;
[INFO] [stdout]      |          ^^^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<Result<T, E>>` is conditionally implemented for `Result<V, E>`
[INFO] [stdout]     --> /rustc/a621e2b446eafb53c7a8569f225e0b8cc2429a68/library/core/src/result.rs:2114:14
[INFO] [stdout]      |
[INFO] [stdout]      = note: unsatisfied requirement introduced here: `_: FromIterator<_>`
[INFO] [stdout]      = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]      = help: you might have intended to use the type `()` here instead
[INFO] [stdout]      = note: required for `Result<!, anyhow::Error>` to implement `FromIterator<Result<(), anyhow::Error>>`
[INFO] [stdout] note: required by a bound in `itertools::Itertools::try_collect`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.10.1/src/lib.rs:2010:23
[INFO] [stdout]      |
[INFO] [stdout] 2007 |     fn try_collect<T, U, E>(self) -> Result<U, E>
[INFO] [stdout]      |        ----------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 2010 |         Result<U, E>: FromIterator<Result<T, E>>,
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Itertools::try_collect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hochwasser` (bin "hochwasser") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hochwasser` (bin "hochwasser" test) due to 1 previous error
[INFO] [stderr] warning: unused dependency `thiserror`
[INFO] [stderr]   --> Cargo.toml:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | thiserror = "1.0"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `thiserror`
[INFO] [stderr] warning: `hochwasser` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "d64fd922caa0b09dd670b14ed836b3355e03977a42c9a4b73cb2deccd4643915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64fd922caa0b09dd670b14ed836b3355e03977a42c9a4b73cb2deccd4643915", kill_on_drop: false }`
[INFO] [stdout] d64fd922caa0b09dd670b14ed836b3355e03977a42c9a4b73cb2deccd4643915
