[INFO] fetching crate arclight 0.0.1...
[INFO] checking arclight-0.0.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate arclight 0.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate arclight 0.0.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arclight 0.0.1
[INFO] finished tweaking crates.io crate arclight 0.0.1
[INFO] tweaked toml for crates.io crate arclight 0.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c669c74780360ae50addb31e9fb7c23a3e4b5aeb2291440cd2dd4bf9cbadd989
[INFO] running `Command { std: "docker" "start" "-a" "c669c74780360ae50addb31e9fb7c23a3e4b5aeb2291440cd2dd4bf9cbadd989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c669c74780360ae50addb31e9fb7c23a3e4b5aeb2291440cd2dd4bf9cbadd989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c669c74780360ae50addb31e9fb7c23a3e4b5aeb2291440cd2dd4bf9cbadd989", kill_on_drop: false }`
[INFO] [stdout] c669c74780360ae50addb31e9fb7c23a3e4b5aeb2291440cd2dd4bf9cbadd989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61a749092b2a333eb88086056b6ad0120d550c73a98dd6eedf1836d7fb29bd7d
[INFO] running `Command { std: "docker" "start" "-a" "61a749092b2a333eb88086056b6ad0120d550c73a98dd6eedf1836d7fb29bd7d", kill_on_drop: false }`
[INFO] [stderr]     Checking arclight v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TokenType` is imported redundantly
[INFO] [stdout]   --> src/Parser.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | / enum TokenType {
[INFO] [stdout] 22 | |     New,
[INFO] [stdout] 23 | |     Tab,
[INFO] [stdout] 24 | |     Pass,
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     Photon,
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_- the item `TokenType` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 44 |           use Parser::TokenType;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/ArclightSyntaxTree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TokenType` is imported redundantly
[INFO] [stdout]   --> src/Parser.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | / enum TokenType {
[INFO] [stdout] 22 | |     New,
[INFO] [stdout] 23 | |     Tab,
[INFO] [stdout] 24 | |     Pass,
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     Photon,
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_- the item `TokenType` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 44 |           use Parser::TokenType;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/ArclightSyntaxTree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] 54 |             tab_string => TokenType::Tab,
[INFO] [stdout]    |             ^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] 54 |             tab_string => TokenType::Tab,
[INFO] [stdout] 55 |             pass_string => TokenType::Pass,
[INFO] [stdout]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 56 |             return_string => TokenType::Return,
[INFO] [stdout]    |             ^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 57 |             defined_string => TokenType::Defined,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 58 |             _ => TokenType::Photon,
[INFO] [stdout]    |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_string`
[INFO] [stdout]   --> src/Parser.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let new_string = NEW.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tab_string`
[INFO] [stdout]   --> src/Parser.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let tab_string = TAB.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tab_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pass_string`
[INFO] [stdout]   --> src/Parser.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let pass_string = PASS.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pass_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_string`
[INFO] [stdout]   --> src/Parser.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let return_string = RETURN.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `defined_string`
[INFO] [stdout]   --> src/Parser.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let defined_string = DEFINED.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_defined_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_string`
[INFO] [stdout]   --> src/Parser.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tab_string`
[INFO] [stdout]   --> src/Parser.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             tab_string => TokenType::Tab,
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tab_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pass_string`
[INFO] [stdout]   --> src/Parser.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             pass_string => TokenType::Pass,
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pass_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_string`
[INFO] [stdout]   --> src/Parser.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             return_string => TokenType::Return,
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `defined_string`
[INFO] [stdout]   --> src/Parser.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             defined_string => TokenType::Defined,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_defined_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] 54 |             tab_string => TokenType::Tab,
[INFO] [stdout]    |             ^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] 54 |             tab_string => TokenType::Tab,
[INFO] [stdout] 55 |             pass_string => TokenType::Pass,
[INFO] [stdout]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 56 |             return_string => TokenType::Return,
[INFO] [stdout]    |             ^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 57 |             defined_string => TokenType::Defined,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 58 |             _ => TokenType::Photon,
[INFO] [stdout]    |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_string`
[INFO] [stdout]   --> src/Parser.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let new_string = NEW.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tab_string`
[INFO] [stdout]   --> src/Parser.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let tab_string = TAB.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tab_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pass_string`
[INFO] [stdout]   --> src/Parser.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let pass_string = PASS.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pass_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_string`
[INFO] [stdout]   --> src/Parser.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let return_string = RETURN.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `defined_string`
[INFO] [stdout]   --> src/Parser.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let defined_string = DEFINED.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_defined_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_string`
[INFO] [stdout]   --> src/Parser.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tab_string`
[INFO] [stdout]   --> src/Parser.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             tab_string => TokenType::Tab,
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tab_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pass_string`
[INFO] [stdout]   --> src/Parser.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             pass_string => TokenType::Pass,
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pass_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_string`
[INFO] [stdout]   --> src/Parser.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             return_string => TokenType::Return,
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `defined_string`
[INFO] [stdout]   --> src/Parser.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             defined_string => TokenType::Defined,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_defined_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual`
[INFO] [stdout]    --> src/Parser.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let actual = parse("a b");
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arclight` (lib) due to 2 previous errors; 17 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `arclight` (lib test) due to 2 previous errors; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "61a749092b2a333eb88086056b6ad0120d550c73a98dd6eedf1836d7fb29bd7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a749092b2a333eb88086056b6ad0120d550c73a98dd6eedf1836d7fb29bd7d", kill_on_drop: false }`
[INFO] [stdout] 61a749092b2a333eb88086056b6ad0120d550c73a98dd6eedf1836d7fb29bd7d
[INFO] checking arclight-0.0.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate arclight 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate arclight 0.0.1 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arclight 0.0.1
[INFO] finished tweaking crates.io crate arclight 0.0.1
[INFO] tweaked toml for crates.io crate arclight 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b698c45ce76d9ff166663f6a523a6b47a151c0239797e6f521d5c875332c49f1
[INFO] running `Command { std: "docker" "start" "-a" "b698c45ce76d9ff166663f6a523a6b47a151c0239797e6f521d5c875332c49f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b698c45ce76d9ff166663f6a523a6b47a151c0239797e6f521d5c875332c49f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b698c45ce76d9ff166663f6a523a6b47a151c0239797e6f521d5c875332c49f1", kill_on_drop: false }`
[INFO] [stdout] b698c45ce76d9ff166663f6a523a6b47a151c0239797e6f521d5c875332c49f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d9ddfae8f6b2d304a319517be6259ee555fa6ba78d36de0aecb1e3fccbab4f6
[INFO] running `Command { std: "docker" "start" "-a" "0d9ddfae8f6b2d304a319517be6259ee555fa6ba78d36de0aecb1e3fccbab4f6", kill_on_drop: false }`
[INFO] [stderr]     Checking arclight v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TokenType` is imported redundantly
[INFO] [stdout]   --> src/Parser.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | / enum TokenType {
[INFO] [stdout] 22 | |     New,
[INFO] [stdout] 23 | |     Tab,
[INFO] [stdout] 24 | |     Pass,
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     Photon,
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_- the item `TokenType` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 44 |           use Parser::TokenType;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/ArclightSyntaxTree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TokenType` is imported redundantly
[INFO] [stdout]   --> src/Parser.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | / enum TokenType {
[INFO] [stdout] 22 | |     New,
[INFO] [stdout] 23 | |     Tab,
[INFO] [stdout] 24 | |     Pass,
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     Photon,
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_- the item `TokenType` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 44 |           use Parser::TokenType;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/ArclightSyntaxTree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] 54 |             tab_string => TokenType::Tab,
[INFO] [stdout]    |             ^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] 54 |             tab_string => TokenType::Tab,
[INFO] [stdout] 55 |             pass_string => TokenType::Pass,
[INFO] [stdout]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 56 |             return_string => TokenType::Return,
[INFO] [stdout]    |             ^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 57 |             defined_string => TokenType::Defined,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 58 |             _ => TokenType::Photon,
[INFO] [stdout]    |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_string`
[INFO] [stdout]   --> src/Parser.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let new_string = NEW.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tab_string`
[INFO] [stdout]   --> src/Parser.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let tab_string = TAB.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tab_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pass_string`
[INFO] [stdout]   --> src/Parser.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let pass_string = PASS.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pass_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_string`
[INFO] [stdout]   --> src/Parser.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let return_string = RETURN.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `defined_string`
[INFO] [stdout]   --> src/Parser.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let defined_string = DEFINED.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_defined_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_string`
[INFO] [stdout]   --> src/Parser.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tab_string`
[INFO] [stdout]   --> src/Parser.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             tab_string => TokenType::Tab,
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tab_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pass_string`
[INFO] [stdout]   --> src/Parser.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             pass_string => TokenType::Pass,
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pass_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_string`
[INFO] [stdout]   --> src/Parser.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             return_string => TokenType::Return,
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `defined_string`
[INFO] [stdout]   --> src/Parser.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             defined_string => TokenType::Defined,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_defined_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] 54 |             tab_string => TokenType::Tab,
[INFO] [stdout]    |             ^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] 54 |             tab_string => TokenType::Tab,
[INFO] [stdout] 55 |             pass_string => TokenType::Pass,
[INFO] [stdout]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 56 |             return_string => TokenType::Return,
[INFO] [stdout]    |             ^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 57 |             defined_string => TokenType::Defined,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/Parser.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 58 |             _ => TokenType::Photon,
[INFO] [stdout]    |             ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_string`
[INFO] [stdout]   --> src/Parser.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let new_string = NEW.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tab_string`
[INFO] [stdout]   --> src/Parser.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let tab_string = TAB.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tab_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pass_string`
[INFO] [stdout]   --> src/Parser.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let pass_string = PASS.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pass_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_string`
[INFO] [stdout]   --> src/Parser.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let return_string = RETURN.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `defined_string`
[INFO] [stdout]   --> src/Parser.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let defined_string = DEFINED.to_string();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_defined_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_string`
[INFO] [stdout]   --> src/Parser.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             new_string => TokenType::New,
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tab_string`
[INFO] [stdout]   --> src/Parser.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             tab_string => TokenType::Tab,
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tab_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pass_string`
[INFO] [stdout]   --> src/Parser.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             pass_string => TokenType::Pass,
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pass_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_string`
[INFO] [stdout]   --> src/Parser.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             return_string => TokenType::Return,
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `defined_string`
[INFO] [stdout]   --> src/Parser.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             defined_string => TokenType::Defined,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_defined_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual`
[INFO] [stdout]    --> src/Parser.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let actual = parse("a b");
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arclight` (lib) due to 2 previous errors; 17 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `arclight` (lib test) due to 2 previous errors; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0d9ddfae8f6b2d304a319517be6259ee555fa6ba78d36de0aecb1e3fccbab4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9ddfae8f6b2d304a319517be6259ee555fa6ba78d36de0aecb1e3fccbab4f6", kill_on_drop: false }`
[INFO] [stdout] 0d9ddfae8f6b2d304a319517be6259ee555fa6ba78d36de0aecb1e3fccbab4f6
