[INFO] cloning repository https://github.com/pantae35872/parser_combinator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pantae35872/parser_combinator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpantae35872%2Fparser_combinator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpantae35872%2Fparser_combinator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efab5a76d0f87772cc9a4fd0f8e7916b06e6eabb
[INFO] checking pantae35872/parser_combinator against try#ae258e1fcbee4a062f5f3d869f06004d7cea088e for pr-135272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpantae35872%2Fparser_combinator" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pantae35872/parser_combinator on toolchain ae258e1fcbee4a062f5f3d869f06004d7cea088e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pantae35872/parser_combinator
[INFO] finished tweaking git repo https://github.com/pantae35872/parser_combinator
[INFO] tweaked toml for git repo https://github.com/pantae35872/parser_combinator written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pantae35872/parser_combinator 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" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a92b7bb97b5e6389f0d6192b036501a89a2ce8d6d4b15dde82331ecfb481c6e5
[INFO] running `Command { std: "docker" "start" "-a" "a92b7bb97b5e6389f0d6192b036501a89a2ce8d6d4b15dde82331ecfb481c6e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a92b7bb97b5e6389f0d6192b036501a89a2ce8d6d4b15dde82331ecfb481c6e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92b7bb97b5e6389f0d6192b036501a89a2ce8d6d4b15dde82331ecfb481c6e5", kill_on_drop: false }`
[INFO] [stdout] a92b7bb97b5e6389f0d6192b036501a89a2ce8d6d4b15dde82331ecfb481c6e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be44f523248a21a167c136dd0c54093baef994d56e58aafe717dfb29878ea7db
[INFO] running `Command { std: "docker" "start" "-a" "be44f523248a21a167c136dd0c54093baef994d56e58aafe717dfb29878ea7db", kill_on_drop: false }`
[INFO] [stderr]     Checking parser_combinator v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stderr]     Checking proc v0.1.0 (/opt/rustwide/workdir/proc)
[INFO] [stdout] warning: unused imports: `Display`, `any::TypeId`, and `process::Output`
[INFO] [stdout]  --> parser/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     any::TypeId,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 3 |     fmt::{self, Debug, Display, Formatter},
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 4 |     process::Output,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `any::TypeId`, and `process::Output`
[INFO] [stdout]  --> parser/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     any::TypeId,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 3 |     fmt::{self, Debug, Display, Formatter},
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 4 |     process::Output,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zero_or_more_until` is never used
[INFO] [stdout]    --> parser/src/lib.rs:329:4
[INFO] [stdout]     |
[INFO] [stdout] 329 | fn zero_or_more_until<'a, P, A, E, F>(parser: P, end: E) -> impl Parser<'a, (Vec<A>, F)>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zero_or_more_until` is never used
[INFO] [stdout]    --> parser/src/lib.rs:329:4
[INFO] [stdout]     |
[INFO] [stdout] 329 | fn zero_or_more_until<'a, P, A, E, F>(parser: P, end: E) -> impl Parser<'a, (Vec<A>, F)>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `array` is never used
[INFO] [stdout]   --> parser/src/json.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn array<'a>() -> impl Parser<'a, Vec<JsonObject>> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `array` is never used
[INFO] [stdout]   --> parser/src/json.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn array<'a>() -> impl Parser<'a, Vec<JsonObject>> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `json_value` and `table`
[INFO] [stdout]  --> parser/src/main.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 |     json::{comma_seperated, json_value, key_value_pair, table},
[INFO] [stdout]   |                             ^^^^^^^^^^                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `json_value` and `table`
[INFO] [stdout]  --> parser/src/main.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 |     json::{comma_seperated, json_value, key_value_pair, table},
[INFO] [stdout]   |                             ^^^^^^^^^^                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "be44f523248a21a167c136dd0c54093baef994d56e58aafe717dfb29878ea7db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be44f523248a21a167c136dd0c54093baef994d56e58aafe717dfb29878ea7db", kill_on_drop: false }`
[INFO] [stdout] be44f523248a21a167c136dd0c54093baef994d56e58aafe717dfb29878ea7db