[INFO] fetching crate chem-parse 0.3.0...
[INFO] testing chem-parse-0.3.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate chem-parse 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate chem-parse 0.3.0
[INFO] finished tweaking crates.io crate chem-parse 0.3.0
[INFO] tweaked toml for crates.io crate chem-parse 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate chem-parse 0.3.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate chem-parse 0.3.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f9e672ae141921ed9593c7a4448191e8b526d971b905b5cb9f897ea3f00a11f
[INFO] running `Command { std: "docker" "start" "-a" "4f9e672ae141921ed9593c7a4448191e8b526d971b905b5cb9f897ea3f00a11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f9e672ae141921ed9593c7a4448191e8b526d971b905b5cb9f897ea3f00a11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9e672ae141921ed9593c7a4448191e8b526d971b905b5cb9f897ea3f00a11f", kill_on_drop: false }`
[INFO] [stdout] 4f9e672ae141921ed9593c7a4448191e8b526d971b905b5cb9f897ea3f00a11f
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfe662bebedf6eca1e9fc6ffcc6336d8b6b2a3738ff31425e52aede73f2c9d35
[INFO] running `Command { std: "docker" "start" "-a" "cfe662bebedf6eca1e9fc6ffcc6336d8b6b2a3738ff31425e52aede73f2c9d35", kill_on_drop: false }`
[INFO] [stderr]    Compiling chem-parse v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:14:44
[INFO] [stdout]    |
[INFO] [stdout] 14 |             Some(Ok(Tokens::Number { data, meta })) => {
[INFO] [stdout]    |                                            ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:22:45
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Some(Ok(Tokens::Element { data, meta })) => {
[INFO] [stdout]    |                                             ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:26:66
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     if let Some(Ok(Tokens::Number { data: count, meta })) = stream.peek() {
[INFO] [stdout]    |                                                                  ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Some(Ok(Tokens::Plus { meta })) => {
[INFO] [stdout]    |                                    ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Some(Ok(Tokens::Yields { meta })) => {
[INFO] [stdout]    |                                      ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 meta,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 meta,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "cfe662bebedf6eca1e9fc6ffcc6336d8b6b2a3738ff31425e52aede73f2c9d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe662bebedf6eca1e9fc6ffcc6336d8b6b2a3738ff31425e52aede73f2c9d35", kill_on_drop: false }`
[INFO] [stdout] cfe662bebedf6eca1e9fc6ffcc6336d8b6b2a3738ff31425e52aede73f2c9d35
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 859dd14f13ef708757a460936c94e88861b589829e10843c7120765e709247b4
[INFO] running `Command { std: "docker" "start" "-a" "859dd14f13ef708757a460936c94e88861b589829e10843c7120765e709247b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:14:44
[INFO] [stdout]    |
[INFO] [stdout] 14 |             Some(Ok(Tokens::Number { data, meta })) => {
[INFO] [stdout]    |                                            ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:22:45
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Some(Ok(Tokens::Element { data, meta })) => {
[INFO] [stdout]    |                                             ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:26:66
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     if let Some(Ok(Tokens::Number { data: count, meta })) = stream.peek() {
[INFO] [stdout]    |                                                                  ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Some(Ok(Tokens::Plus { meta })) => {
[INFO] [stdout]    |                                    ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Some(Ok(Tokens::Yields { meta })) => {
[INFO] [stdout]    |                                      ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 meta,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 meta,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling envmnt v0.8.4
[INFO] [stderr]    Compiling ci_info v0.10.2
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stderr]    Compiling chem-parse v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:14:44
[INFO] [stdout]    |
[INFO] [stdout] 14 |             Some(Ok(Tokens::Number { data, meta })) => {
[INFO] [stdout]    |                                            ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:22:45
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Some(Ok(Tokens::Element { data, meta })) => {
[INFO] [stdout]    |                                             ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:26:66
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     if let Some(Ok(Tokens::Number { data: count, meta })) = stream.peek() {
[INFO] [stdout]    |                                                                  ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Some(Ok(Tokens::Plus { meta })) => {
[INFO] [stdout]    |                                    ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Some(Ok(Tokens::Yields { meta })) => {
[INFO] [stdout]    |                                      ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 meta,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/parser.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 meta,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "859dd14f13ef708757a460936c94e88861b589829e10843c7120765e709247b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "859dd14f13ef708757a460936c94e88861b589829e10843c7120765e709247b4", kill_on_drop: false }`
[INFO] [stdout] 859dd14f13ef708757a460936c94e88861b589829e10843c7120765e709247b4
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dac2377b74fc4df5d2986bffbf40579d25f419724ddf9104282e54fcf195a639
[INFO] running `Command { std: "docker" "start" "-a" "dac2377b74fc4df5d2986bffbf40579d25f419724ddf9104282e54fcf195a639", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]   --> src/parser.rs:14:44
[INFO] [stderr]    |
[INFO] [stderr] 14 |             Some(Ok(Tokens::Number { data, meta })) => {
[INFO] [stderr]    |                                            ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]   --> src/parser.rs:22:45
[INFO] [stderr]    |
[INFO] [stderr] 22 |             Some(Ok(Tokens::Element { data, meta })) => {
[INFO] [stderr]    |                                             ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]   --> src/parser.rs:26:66
[INFO] [stderr]    |
[INFO] [stderr] 26 |                     if let Some(Ok(Tokens::Number { data: count, meta })) = stream.peek() {
[INFO] [stderr]    |                                                                  ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]   --> src/parser.rs:37:36
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Some(Ok(Tokens::Plus { meta })) => {
[INFO] [stderr]    |                                    ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]   --> src/parser.rs:60:38
[INFO] [stderr]    |
[INFO] [stderr] 60 |             Some(Ok(Tokens::Yields { meta })) => {
[INFO] [stderr]    |                                      ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]   --> src/parser.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 meta,
[INFO] [stderr]    |                 ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]   --> src/parser.rs:87:17
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 meta,
[INFO] [stderr]    |                 ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stderr] 
[INFO] [stderr] warning: `chem-parse` (lib) generated 7 warnings
[INFO] [stderr] warning: `chem-parse` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chem_parse-62a5c3ff33d1e4de)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test lexer::tests::can_parse_compound_with_subscript_and_coeffiecient ... ok
[INFO] [stdout] test lexer::tests::can_parse_forumula ... ok
[INFO] [stdout] test lexer::tests::can_parse_simple_element ... ok
[INFO] [stdout] test parser::tests::can_parse_equation ... ok
[INFO] [stderr]    Doc-tests chem_parse
[INFO] [stdout] test parser::tests::can_parse_formula_unit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dac2377b74fc4df5d2986bffbf40579d25f419724ddf9104282e54fcf195a639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac2377b74fc4df5d2986bffbf40579d25f419724ddf9104282e54fcf195a639", kill_on_drop: false }`
[INFO] [stdout] dac2377b74fc4df5d2986bffbf40579d25f419724ddf9104282e54fcf195a639