[INFO] fetching crate runmod 1.2.0...
[INFO] testing runmod-1.2.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate runmod 1.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate runmod 1.2.0
[INFO] finished tweaking crates.io crate runmod 1.2.0
[INFO] tweaked toml for crates.io crate runmod 1.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate runmod 1.2.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate runmod 1.2.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc_lexer v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f72acecb09e654e506b8e4bc86b8118eee496339e884424a9b27cb0cb3b89de0
[INFO] running `Command { std: "docker" "start" "f72acecb09e654e506b8e4bc86b8118eee496339e884424a9b27cb0cb3b89de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f72acecb09e654e506b8e4bc86b8118eee496339e884424a9b27cb0cb3b89de0", 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" "f72acecb09e654e506b8e4bc86b8118eee496339e884424a9b27cb0cb3b89de0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f72acecb09e654e506b8e4bc86b8118eee496339e884424a9b27cb0cb3b89de0", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f72acecb09e654e506b8e4bc86b8118eee496339e884424a9b27cb0cb3b89de0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling rustc_lexer v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling runmod v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | #![feature(test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/macros.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |                   return Some(x)
[INFO] [stdout]    |                   -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 | /             if let RunVar::$varient(x) = self.value {
[INFO] [stdout] 25 | |                 let line = BufReader::new(File::open(&self.file_name).unwrap())
[INFO] [stdout] 26 | |                     .lines()
[INFO] [stdout] 27 | |                     .nth(self.line_number as usize - 1)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                 None
[INFO] [stdout] 37 | |             }
[INFO] [stdout]    | |_____________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/runmod.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |       make_runner!(get_i8, I8, i8);
[INFO] [stdout]    |       ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `make_runner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/macros.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |                   return Some(x)
[INFO] [stdout]    |                   -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 | /             if let RunVar::$varient(x) = self.value {
[INFO] [stdout] 25 | |                 let line = BufReader::new(File::open(&self.file_name).unwrap())
[INFO] [stdout] 26 | |                     .lines()
[INFO] [stdout] 27 | |                     .nth(self.line_number as usize - 1)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                 None
[INFO] [stdout] 37 | |             }
[INFO] [stdout]    | |_____________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/runmod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |       make_runner!(get_i16, I16, i16);
[INFO] [stdout]    |       ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_runner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/macros.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |                   return Some(x)
[INFO] [stdout]    |                   -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 | /             if let RunVar::$varient(x) = self.value {
[INFO] [stdout] 25 | |                 let line = BufReader::new(File::open(&self.file_name).unwrap())
[INFO] [stdout] 26 | |                     .lines()
[INFO] [stdout] 27 | |                     .nth(self.line_number as usize - 1)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                 None
[INFO] [stdout] 37 | |             }
[INFO] [stdout]    | |_____________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/runmod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |       make_runner!(get_i32, I32, i32);
[INFO] [stdout]    |       ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_runner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/macros.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |                   return Some(x)
[INFO] [stdout]    |                   -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 | /             if let RunVar::$varient(x) = self.value {
[INFO] [stdout] 25 | |                 let line = BufReader::new(File::open(&self.file_name).unwrap())
[INFO] [stdout] 26 | |                     .lines()
[INFO] [stdout] 27 | |                     .nth(self.line_number as usize - 1)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                 None
[INFO] [stdout] 37 | |             }
[INFO] [stdout]    | |_____________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/runmod.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |       make_runner!(get_i64, I64, i64);
[INFO] [stdout]    |       ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_runner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/macros.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |                   return Some(x)
[INFO] [stdout]    |                   -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 | /             if let RunVar::$varient(x) = self.value {
[INFO] [stdout] 25 | |                 let line = BufReader::new(File::open(&self.file_name).unwrap())
[INFO] [stdout] 26 | |                     .lines()
[INFO] [stdout] 27 | |                     .nth(self.line_number as usize - 1)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                 None
[INFO] [stdout] 37 | |             }
[INFO] [stdout]    | |_____________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/runmod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |       make_runner!(get_i128, I128, i128);
[INFO] [stdout]    |       ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_runner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/macros.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |                   return Some(x)
[INFO] [stdout]    |                   -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 | /             if let RunVar::$varient(x) = self.value {
[INFO] [stdout] 25 | |                 let line = BufReader::new(File::open(&self.file_name).unwrap())
[INFO] [stdout] 26 | |                     .lines()
[INFO] [stdout] 27 | |                     .nth(self.line_number as usize - 1)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                 None
[INFO] [stdout] 37 | |             }
[INFO] [stdout]    | |_____________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/runmod.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |       make_runner!(get_isize, ISIZE, isize);
[INFO] [stdout]    |       ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_runner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/macros.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |                   return Some(x)
[INFO] [stdout]    |                   -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 | /             if let RunVar::$varient(x) = self.value {
[INFO] [stdout] 25 | |                 let line = BufReader::new(File::open(&self.file_name).unwrap())
[INFO] [stdout] 26 | |                     .lines()
[INFO] [stdout] 27 | |                     .nth(self.line_number as usize - 1)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                 None
[INFO] [stdout] 37 | |             }
[INFO] [stdout]    | |_____________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/runmod.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |       make_runner!(get_u8, U8, u8);
[INFO] [stdout]    |       ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_runner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/macros.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |                   return Some(x)
[INFO] [stdout]    |                   -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 | /             if let RunVar::$varient(x) = self.value {
[INFO] [stdout] 25 | |                 let line = BufReader::new(File::open(&self.file_name).unwrap())
[INFO] [stdout] 26 | |                     .lines()
[INFO] [stdout] 27 | |                     .nth(self.line_number as usize - 1)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                 None
[INFO] [stdout] 37 | |             }
[INFO] [stdout]    | |_____________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/runmod.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |       make_runner!(get_u16, U16, u16);
[INFO] [stdout]    |       ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_runner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/macros.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |                   return Some(x)
[INFO] [stdout]    |                   -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 | /             if let RunVar::$varient(x) = self.value {
[INFO] [stdout] 25 | |                 let line = BufReader::new(File::open(&self.file_name).unwrap())
[INFO] [stdout] 26 | |                     .lines()
[INFO] [stdout] 27 | |                     .nth(self.line_number as usize - 1)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                 None
[INFO] [stdout] 37 | |             }
[INFO] [stdout]    | |_____________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/runmod.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |       make_runner!(get_u32, U32, u32);
[INFO] [stdout]    |       ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_runner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/macros.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |                   return Some(x)
[INFO] [stdout]    |                   -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 | /             if let RunVar::$varient(x) = self.value {
[INFO] [stdout] 25 | |                 let line = BufReader::new(File::open(&self.file_name).unwrap())
[INFO] [stdout] 26 | |                     .lines()
[INFO] [stdout] 27 | |                     .nth(self.line_number as usize - 1)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                 None
[INFO] [stdout] 37 | |             }
[INFO] [stdout]    | |_____________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/runmod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |       make_runner!(get_u64, U64, u64);
[INFO] [stdout]    |       ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_runner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/macros.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |                   return Some(x)
[INFO] [stdout]    |                   -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 | /             if let RunVar::$varient(x) = self.value {
[INFO] [stdout] 25 | |                 let line = BufReader::new(File::open(&self.file_name).unwrap())
[INFO] [stdout] 26 | |                     .lines()
[INFO] [stdout] 27 | |                     .nth(self.line_number as usize - 1)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                 None
[INFO] [stdout] 37 | |             }
[INFO] [stdout]    | |_____________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/runmod.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |       make_runner!(get_u128, U128, u128);
[INFO] [stdout]    |       ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_runner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/macros.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |                   return Some(x)
[INFO] [stdout]    |                   -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 | /             if let RunVar::$varient(x) = self.value {
[INFO] [stdout] 25 | |                 let line = BufReader::new(File::open(&self.file_name).unwrap())
[INFO] [stdout] 26 | |                     .lines()
[INFO] [stdout] 27 | |                     .nth(self.line_number as usize - 1)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                 None
[INFO] [stdout] 37 | |             }
[INFO] [stdout]    | |_____________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/runmod.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |       make_runner!(get_usize, USIZE, usize);
[INFO] [stdout]    |       ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_runner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/macros.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |                   return Some(x)
[INFO] [stdout]    |                   -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 | /             if let RunVar::$varient(x) = self.value {
[INFO] [stdout] 25 | |                 let line = BufReader::new(File::open(&self.file_name).unwrap())
[INFO] [stdout] 26 | |                     .lines()
[INFO] [stdout] 27 | |                     .nth(self.line_number as usize - 1)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                 None
[INFO] [stdout] 37 | |             }
[INFO] [stdout]    | |_____________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/runmod.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |       make_runner!(get_f32, F32, f32);
[INFO] [stdout]    |       ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_runner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/macros.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |                   return Some(x)
[INFO] [stdout]    |                   -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 | /             if let RunVar::$varient(x) = self.value {
[INFO] [stdout] 25 | |                 let line = BufReader::new(File::open(&self.file_name).unwrap())
[INFO] [stdout] 26 | |                     .lines()
[INFO] [stdout] 27 | |                     .nth(self.line_number as usize - 1)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                 None
[INFO] [stdout] 37 | |             }
[INFO] [stdout]    | |_____________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/runmod.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |       make_runner!(get_f64, F64, f64);
[INFO] [stdout]    |       ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_runner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runmod` (lib) due to 1 previous error; 14 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f72acecb09e654e506b8e4bc86b8118eee496339e884424a9b27cb0cb3b89de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f72acecb09e654e506b8e4bc86b8118eee496339e884424a9b27cb0cb3b89de0", kill_on_drop: false }`
[INFO] [stdout] f72acecb09e654e506b8e4bc86b8118eee496339e884424a9b27cb0cb3b89de0
