[INFO] cloning repository https://github.com/athenanike/slack-history
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/athenanike/slack-history" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathenanike%2Fslack-history", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathenanike%2Fslack-history'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6643555a54b6a1823e979bdfd199963a1e8af2e
[INFO] testing athenanike/slack-history against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathenanike%2Fslack-history" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/athenanike/slack-history on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/athenanike/slack-history
[INFO] finished tweaking git repo https://github.com/athenanike/slack-history
[INFO] tweaked toml for git repo https://github.com/athenanike/slack-history written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/athenanike/slack-history already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3817636afcb04b7baf9f94335bd7a61f59954a8b5389ea4e7663dc0fc7943919
[INFO] running `Command { std: "docker" "start" "-a" "3817636afcb04b7baf9f94335bd7a61f59954a8b5389ea4e7663dc0fc7943919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3817636afcb04b7baf9f94335bd7a61f59954a8b5389ea4e7663dc0fc7943919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3817636afcb04b7baf9f94335bd7a61f59954a8b5389ea4e7663dc0fc7943919", kill_on_drop: false }`
[INFO] [stdout] 3817636afcb04b7baf9f94335bd7a61f59954a8b5389ea4e7663dc0fc7943919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd9d6e06c4aa0f92f0f5ff92ebb8a8fbbf3bcc90b1bea71cb05bfbd47f047010
[INFO] running `Command { std: "docker" "start" "-a" "dd9d6e06c4aa0f92f0f5ff92ebb8a8fbbf3bcc90b1bea71cb05bfbd47f047010", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.4
[INFO] [stderr]    Compiling gcc v0.3.6
[INFO] [stderr]    Compiling libc v0.1.8
[INFO] [stderr]    Compiling rustc-serialize v0.3.15
[INFO] [stderr]    Compiling matches v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.1.2
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.15/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling log v0.3.1
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.15/src/serialize.rs:201:41
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error> where Self: Sized;
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling openssl-sys v0.6.2
[INFO] [stderr]    Compiling libz-sys v0.1.3
[INFO] [stderr]    Compiling curl-sys v0.1.22
[INFO] [stderr]    Compiling rust-ini v0.5.1
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize`
[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[E0412]: cannot find type `Chars` in module `io`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-ini-0.5.1/src/ini.rs:339:14
[INFO] [stdout]     |
[INFO] [stdout] 339 |     rdr: io::Chars<R>,
[INFO] [stdout]     |              ^^^^^ not found in `io`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 22  | use std::str::Chars;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Chars` in module `io`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-ini-0.5.1/src/ini.rs:358:25
[INFO] [stdout]     |
[INFO] [stdout] 358 |     pub fn new(rdr: io::Chars<R>) -> Parser<R> {
[INFO] [stdout]     |                         ^^^^^ not found in `io`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 22  | use std::str::Chars;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-ini-0.5.1/src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | #![feature(io)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `chars` found for struct `BufReader` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-ini-0.5.1/src/ini.rs:280:48
[INFO] [stdout]     |
[INFO] [stdout] 280 |         let mut parser = Parser::new(bufreader.chars());
[INFO] [stdout]     |                                                ^^^^^ method not found in `BufReader<std::io::Cursor<Vec<u8>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `chars` found for struct `BufReader` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-ini-0.5.1/src/ini.rs:286:43
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let mut parser = Parser::new(bufr.chars());
[INFO] [stdout]     |                                           ^^^^^ method not found in `BufReader<&mut dyn std::io::Read>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-ini-0.5.1/src/ini.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |         while !self.eof() {
[INFO] [stdout]     |                     ^^^ cannot infer type for type parameter `R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-ini-0.5.1/src/ini.rs:471:49
[INFO] [stdout]     |
[INFO] [stdout] 471 |         while self.ch.unwrap() != '\n' && !self.eof() { self.bump(); }
[INFO] [stdout]     |                                                 ^^^ cannot infer type for type parameter `R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-ini-0.5.1/src/ini.rs:478:21
[INFO] [stdout]     |
[INFO] [stdout] 478 |             if self.eof() {
[INFO] [stdout]     |                     ^^^ cannot infer type for type parameter `R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0412, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dd9d6e06c4aa0f92f0f5ff92ebb8a8fbbf3bcc90b1bea71cb05bfbd47f047010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9d6e06c4aa0f92f0f5ff92ebb8a8fbbf3bcc90b1bea71cb05bfbd47f047010", kill_on_drop: false }`
[INFO] [stdout] dd9d6e06c4aa0f92f0f5ff92ebb8a8fbbf3bcc90b1bea71cb05bfbd47f047010
