[INFO] fetching crate thrift-parser 0.0.5...
[INFO] checking thrift-parser-0.0.5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate thrift-parser 0.0.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate thrift-parser 0.0.5
[INFO] finished tweaking crates.io crate thrift-parser 0.0.5
[INFO] tweaked toml for crates.io crate thrift-parser 0.0.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate thrift-parser 0.0.5 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate thrift-parser 0.0.5 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d19bcfee2dfa2d2b61f9e6bb59a5d1503abb62793e6bfbb78987eb462fc75c7c
[INFO] running `Command { std: "docker" "start" "-a" "d19bcfee2dfa2d2b61f9e6bb59a5d1503abb62793e6bfbb78987eb462fc75c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d19bcfee2dfa2d2b61f9e6bb59a5d1503abb62793e6bfbb78987eb462fc75c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19bcfee2dfa2d2b61f9e6bb59a5d1503abb62793e6bfbb78987eb462fc75c7c", kill_on_drop: false }`
[INFO] [stdout] d19bcfee2dfa2d2b61f9e6bb59a5d1503abb62793e6bfbb78987eb462fc75c7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5f7a69e6f3cd6e1ae3b650efbdf12e991ed17c31c1063e652a914766241840f
[INFO] running `Command { std: "docker" "start" "-a" "d5f7a69e6f3cd6e1ae3b650efbdf12e991ed17c31c1063e652a914766241840f", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]    Compiling derive-newtype v0.2.3
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking thrift-parser v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/definition.rs:153:36
[INFO] [stdout]     |
[INFO] [stdout] 153 |                     |(_, _, _, i)| (i),
[INFO] [stdout]     |                                    ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 -                     |(_, _, _, i)| (i),
[INFO] [stdout] 153 +                     |(_, _, _, i)| i ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/definition.rs:153:36
[INFO] [stdout]     |
[INFO] [stdout] 153 |                     |(_, _, _, i)| (i),
[INFO] [stdout]     |                                    ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 -                     |(_, _, _, i)| (i),
[INFO] [stdout] 153 +                     |(_, _, _, i)| i ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> examples/parse_document.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         std::path::PathBuf::from_str(&std::env::var("CARGO_MANIFEST_DIR").unwrap()).unwrap();
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thrift-parser` (example "parse_document") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d5f7a69e6f3cd6e1ae3b650efbdf12e991ed17c31c1063e652a914766241840f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5f7a69e6f3cd6e1ae3b650efbdf12e991ed17c31c1063e652a914766241840f", kill_on_drop: false }`
[INFO] [stdout] d5f7a69e6f3cd6e1ae3b650efbdf12e991ed17c31c1063e652a914766241840f