[INFO] fetching crate esr 0.1.0...
[INFO] checking esr-0.1.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate esr 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate esr 0.1.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate esr 0.1.0
[INFO] finished tweaking crates.io crate esr 0.1.0
[INFO] tweaked toml for crates.io crate esr 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toolshed v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f21c2a2dc169213990e692a43ad34e55148a6fabc5d37821a52db2bb4077bca
[INFO] running `Command { std: "docker" "start" "-a" "4f21c2a2dc169213990e692a43ad34e55148a6fabc5d37821a52db2bb4077bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f21c2a2dc169213990e692a43ad34e55148a6fabc5d37821a52db2bb4077bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f21c2a2dc169213990e692a43ad34e55148a6fabc5d37821a52db2bb4077bca", kill_on_drop: false }`
[INFO] [stdout] 4f21c2a2dc169213990e692a43ad34e55148a6fabc5d37821a52db2bb4077bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32b6c1165020d9e9c01e5582716fdc84514defa18c47cc7d47d3038c2741cc9e
[INFO] running `Command { std: "docker" "start" "-a" "32b6c1165020d9e9c01e5582716fdc84514defa18c47cc7d47d3038c2741cc9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking toolshed v0.4.0
[INFO] [stderr]     Checking pretty_assertions v0.4.1
[INFO] [stderr]     Checking esr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/parser/nested.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | /// All potential tokens, including Comma for sequence expressions
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 r#try!(write!(f, "Unexpected end of program"))
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 r#try!(writeln!(f, "Unexpected token at {}:{}\n", lineno + 1, colno + 1));
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |                         r#try!(writeln!(f, "> {0:1$} | {2}", index+1, width, line));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:76:29
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   r#try!(write!(f, " "));
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         r#try!(write!(f, "   | "));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:82:29
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   r#try!(write!(f, " "));
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   r#try!(write!(f, "^"));
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         r#try!(write!(f, "\n"));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         r#try!(writeln!(f, "{0:1$} | {2}", index+1, width+2, line));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/parser/nested.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | /// All potential tokens, including Comma for sequence expressions
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 r#try!(write!(f, "Unexpected end of program"))
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 r#try!(writeln!(f, "Unexpected token at {}:{}\n", lineno + 1, colno + 1));
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |                         r#try!(writeln!(f, "> {0:1$} | {2}", index+1, width, line));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:76:29
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   r#try!(write!(f, " "));
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         r#try!(write!(f, "   | "));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:82:29
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   r#try!(write!(f, " "));
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   r#try!(write!(f, "^"));
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         r#try!(write!(f, "\n"));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         r#try!(writeln!(f, "{0:1$} | {2}", index+1, width+2, line));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "32b6c1165020d9e9c01e5582716fdc84514defa18c47cc7d47d3038c2741cc9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b6c1165020d9e9c01e5582716fdc84514defa18c47cc7d47d3038c2741cc9e", kill_on_drop: false }`
[INFO] [stdout] 32b6c1165020d9e9c01e5582716fdc84514defa18c47cc7d47d3038c2741cc9e