[INFO] fetching crate fjson 0.3.1...
[INFO] testing fjson-0.3.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate fjson 0.3.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate fjson 0.3.1
[INFO] finished tweaking crates.io crate fjson 0.3.1
[INFO] tweaked toml for crates.io crate fjson 0.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fjson 0.3.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c59f115cab2e3b360f355582dc29e1b9ea9252f1627afd601109ada3a08b900f
[INFO] running `Command { std: "docker" "start" "-a" "c59f115cab2e3b360f355582dc29e1b9ea9252f1627afd601109ada3a08b900f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c59f115cab2e3b360f355582dc29e1b9ea9252f1627afd601109ada3a08b900f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59f115cab2e3b360f355582dc29e1b9ea9252f1627afd601109ada3a08b900f", kill_on_drop: false }`
[INFO] [stdout] c59f115cab2e3b360f355582dc29e1b9ea9252f1627afd601109ada3a08b900f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd644bab81d8f2bbd48beabf2559f2be692a7c34dc8e7d56e493e36731479366
[INFO] running `Command { std: "docker" "start" "-a" "fd644bab81d8f2bbd48beabf2559f2be692a7c34dc8e7d56e493e36731479366", kill_on_drop: false }`
[INFO] [stderr]    Compiling fjson v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/scanner.rs:250:51
[INFO] [stdout]     |
[INFO] [stdout] 250 |             token: Token::LineComment(&self.input[(start + 2..end)]),
[INFO] [stdout]     |                                                   ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 250 -             token: Token::LineComment(&self.input[(start + 2..end)]),
[INFO] [stdout] 250 +             token: Token::LineComment(&self.input[start + 2..end]),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn parse(input: &str) -> Result<Root, Error> {
[INFO] [stdout]    |                     ^^^^            ---- the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn parse(input: &str) -> Result<Root<'_>, Error> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "fd644bab81d8f2bbd48beabf2559f2be692a7c34dc8e7d56e493e36731479366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd644bab81d8f2bbd48beabf2559f2be692a7c34dc8e7d56e493e36731479366", kill_on_drop: false }`
[INFO] [stdout] fd644bab81d8f2bbd48beabf2559f2be692a7c34dc8e7d56e493e36731479366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] debed4e77745d78859b1b43646d277ce7b17385b5ff5de364d00c4dc4de389a4
[INFO] running `Command { std: "docker" "start" "-a" "debed4e77745d78859b1b43646d277ce7b17385b5ff5de364d00c4dc4de389a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/scanner.rs:250:51
[INFO] [stdout]     |
[INFO] [stdout] 250 |             token: Token::LineComment(&self.input[(start + 2..end)]),
[INFO] [stdout]     |                                                   ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 250 -             token: Token::LineComment(&self.input[(start + 2..end)]),
[INFO] [stdout] 250 +             token: Token::LineComment(&self.input[start + 2..end]),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn parse(input: &str) -> Result<Root, Error> {
[INFO] [stdout]    |                     ^^^^            ---- the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn parse(input: &str) -> Result<Root<'_>, Error> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling fjson v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/scanner.rs:250:51
[INFO] [stdout]     |
[INFO] [stdout] 250 |             token: Token::LineComment(&self.input[(start + 2..end)]),
[INFO] [stdout]     |                                                   ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 250 -             token: Token::LineComment(&self.input[(start + 2..end)]),
[INFO] [stdout] 250 +             token: Token::LineComment(&self.input[start + 2..end]),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn parse(input: &str) -> Result<Root, Error> {
[INFO] [stdout]    |                     ^^^^            ---- the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn parse(input: &str) -> Result<Root<'_>, Error> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "debed4e77745d78859b1b43646d277ce7b17385b5ff5de364d00c4dc4de389a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "debed4e77745d78859b1b43646d277ce7b17385b5ff5de364d00c4dc4de389a4", kill_on_drop: false }`
[INFO] [stdout] debed4e77745d78859b1b43646d277ce7b17385b5ff5de364d00c4dc4de389a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e874365a3ed29d5db2dd0849462c9e6a91dc9e0d30cf2dbaea7f7a8fb23b0eb3
[INFO] running `Command { std: "docker" "start" "-a" "e874365a3ed29d5db2dd0849462c9e6a91dc9e0d30cf2dbaea7f7a8fb23b0eb3", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/scanner.rs:250:51
[INFO] [stderr]     |
[INFO] [stderr] 250 |             token: Token::LineComment(&self.input[(start + 2..end)]),
[INFO] [stderr]     |                                                   ^              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 250 -             token: Token::LineComment(&self.input[(start + 2..end)]),
[INFO] [stderr] 250 +             token: Token::LineComment(&self.input[start + 2..end]),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/ast.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub fn parse(input: &str) -> Result<Root, Error> {
[INFO] [stderr]    |                     ^^^^            ---- the same lifetime is hidden here
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub fn parse(input: &str) -> Result<Root<'_>, Error> {
[INFO] [stderr]    |                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `fjson` (lib) generated 2 warnings (run `cargo fix --lib -p fjson` to apply 2 suggestions)
[INFO] [stderr] warning: `fjson` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fjson-8fb1bccc327a10ed)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test scanner::tests::test_number ... ok
[INFO] [stdout] test scanner::tests::test_scanner ... ok
[INFO] [stdout] test format::tests::test_format ... ok
[INFO] [stdout] test tests::test_to_json ... ok
[INFO] [stdout] test ast::tests::test_parse ... ok
[INFO] [stdout] test validate::tests::test_validate ... ok
[INFO] [stdout] test tests::test_to_json_compact ... ok
[INFO] [stdout] test tests::test_to_jsonc ... ok
[INFO] [stdout] test validate::tests::test_validate_fail ... ok
[INFO] [stdout] test scanner::tests::test_line_comment ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fjson
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/scanner.rs:250:51
[INFO] [stderr]     |
[INFO] [stderr] 250 |             token: Token::LineComment(&self.input[(start + 2..end)]),
[INFO] [stderr]     |                                                   ^              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 250 -             token: Token::LineComment(&self.input[(start + 2..end)]),
[INFO] [stderr] 250 +             token: Token::LineComment(&self.input[start + 2..end]),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 86) ... ok
[INFO] [stdout] test src/lib.rs - (line 118) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e874365a3ed29d5db2dd0849462c9e6a91dc9e0d30cf2dbaea7f7a8fb23b0eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e874365a3ed29d5db2dd0849462c9e6a91dc9e0d30cf2dbaea7f7a8fb23b0eb3", kill_on_drop: false }`
[INFO] [stdout] e874365a3ed29d5db2dd0849462c9e6a91dc9e0d30cf2dbaea7f7a8fb23b0eb3