[INFO] cloning repository https://github.com/it-2001/rparse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/it-2001/rparse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fit-2001%2Frparse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fit-2001%2Frparse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80376ca68ea016ed4fb9df10a06753cfe2e91d00
[INFO] checking it-2001/rparse against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fit-2001%2Frparse" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/it-2001/rparse on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/it-2001/rparse
[INFO] finished tweaking git repo https://github.com/it-2001/rparse
[INFO] tweaked toml for git repo https://github.com/it-2001/rparse written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/it-2001/rparse 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9014826dcc6c005b225754b429fcfb31d10f36185a94992ccddcc091a5aa36e1
[INFO] running `Command { std: "docker" "start" "-a" "9014826dcc6c005b225754b429fcfb31d10f36185a94992ccddcc091a5aa36e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9014826dcc6c005b225754b429fcfb31d10f36185a94992ccddcc091a5aa36e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9014826dcc6c005b225754b429fcfb31d10f36185a94992ccddcc091a5aa36e1", kill_on_drop: false }`
[INFO] [stdout] 9014826dcc6c005b225754b429fcfb31d10f36185a94992ccddcc091a5aa36e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b09c7c9d8b63c4bd447b0e5e9efa7340bf501351f5e34c8a87da88e45c77796
[INFO] running `Command { std: "docker" "start" "-a" "9b09c7c9d8b63c4bd447b0e5e9efa7340bf501351f5e34c8a87da88e45c77796", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking rparse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking neruda v0.1.0 (/opt/rustwide/workdir/neruda)
[INFO] [stdout] warning: unused variable: `lex_start`
[INFO] [stdout]    --> src/lib.rs:380:13
[INFO] [stdout]     |
[INFO] [stdout] 380 |         let lex_start = std::time::Instant::now();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lex_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `grammar::validator::TokenErrors`
[INFO] [stdout]  --> neruda/src/ast.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rparse::{grammar::validator::TokenErrors, lexer::TokenKinds, parser::*};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `grammar::validator::TokenErrors`
[INFO] [stdout]  --> neruda/src/ast.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rparse::{grammar::validator::TokenErrors, lexer::TokenKinds, parser::*};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.53s
[INFO] running `Command { std: "docker" "inspect" "9b09c7c9d8b63c4bd447b0e5e9efa7340bf501351f5e34c8a87da88e45c77796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b09c7c9d8b63c4bd447b0e5e9efa7340bf501351f5e34c8a87da88e45c77796", kill_on_drop: false }`
[INFO] [stdout] 9b09c7c9d8b63c4bd447b0e5e9efa7340bf501351f5e34c8a87da88e45c77796
[INFO] checking it-2001/rparse against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fit-2001%2Frparse" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/it-2001/rparse on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/it-2001/rparse
[INFO] finished tweaking git repo https://github.com/it-2001/rparse
[INFO] tweaked toml for git repo https://github.com/it-2001/rparse written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/it-2001/rparse 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f0da1365da79ec87462ba27ea0678522865694915ba371d8a524adc666e5d85
[INFO] running `Command { std: "docker" "start" "-a" "6f0da1365da79ec87462ba27ea0678522865694915ba371d8a524adc666e5d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f0da1365da79ec87462ba27ea0678522865694915ba371d8a524adc666e5d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0da1365da79ec87462ba27ea0678522865694915ba371d8a524adc666e5d85", kill_on_drop: false }`
[INFO] [stdout] 6f0da1365da79ec87462ba27ea0678522865694915ba371d8a524adc666e5d85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c3f77ff87ca5e27da2491869eaa4a7087c111c0358c0b91f020d998f7ed1847
[INFO] running `Command { std: "docker" "start" "-a" "8c3f77ff87ca5e27da2491869eaa4a7087c111c0358c0b91f020d998f7ed1847", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking rparse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `lex_start`
[INFO] [stdout]    --> src/lib.rs:380:13
[INFO] [stdout]     |
[INFO] [stdout] 380 |         let lex_start = std::time::Instant::now();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lex_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking neruda v0.1.0 (/opt/rustwide/workdir/neruda)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `grammar::validator::TokenErrors`
[INFO] [stdout]  --> neruda/src/ast.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rparse::{grammar::validator::TokenErrors, lexer::TokenKinds, parser::*};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `grammar::validator::TokenErrors`
[INFO] [stdout]  --> neruda/src/ast.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rparse::{grammar::validator::TokenErrors, lexer::TokenKinds, parser::*};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.54s
[INFO] running `Command { std: "docker" "inspect" "8c3f77ff87ca5e27da2491869eaa4a7087c111c0358c0b91f020d998f7ed1847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c3f77ff87ca5e27da2491869eaa4a7087c111c0358c0b91f020d998f7ed1847", kill_on_drop: false }`
[INFO] [stdout] 8c3f77ff87ca5e27da2491869eaa4a7087c111c0358c0b91f020d998f7ed1847