[INFO] fetching crate chem-parse 0.3.0...
[INFO] checking chem-parse-0.3.0 against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749
[INFO] extracting crate chem-parse 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate chem-parse 0.3.0 on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "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" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dbc11277b28c84d892e39de3b30c4312a6ed7a800b5505501781ee7d00ca45b1
[INFO] running `Command { std: "docker" "start" "dbc11277b28c84d892e39de3b30c4312a6ed7a800b5505501781ee7d00ca45b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dbc11277b28c84d892e39de3b30c4312a6ed7a800b5505501781ee7d00ca45b1" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbc11277b28c84d892e39de3b30c4312a6ed7a800b5505501781ee7d00ca45b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dbc11277b28c84d892e39de3b30c4312a6ed7a800b5505501781ee7d00ca45b1" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]     Checking chem-parse v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in CURRENT_RUSTC_VERSION
[INFO] [stdout]   = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/parser.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 if let box Node::ForumulaUnit(_, vec) = fu {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/parser.rs:65:26
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     Some(box Node::Reactants(ref mut vec)) => {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/parser.rs:97:26
[INFO] [stdout]    |
[INFO] [stdout] 97 |                     Some(box Node::Group(_, ref mut vec)) => {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/parser.rs:105:26
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     Some(box Node::ForumulaUnit(_, ref mut vec)) => {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/parser.rs:118:26
[INFO] [stdout]     |
[INFO] [stdout] 118 |                     Some(box Node::Products(ref mut vec)) => {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `vec`
[INFO] [stdout]   --> src/parser.rs:17:74
[INFO] [stdout]    |
[INFO] [stdout] 17 |                     current_stack.push(Box::new(Node::ForumulaUnit(data, vec)));
[INFO] [stdout]    |                                                                          ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `vec`
[INFO] [stdout]   --> src/parser.rs:66:25
[INFO] [stdout]    |
[INFO] [stdout] 66 |                         vec.push(fu);
[INFO] [stdout]    |                         ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `vec`
[INFO] [stdout]    --> src/parser.rs:100:33
[INFO] [stdout]     |
[INFO] [stdout] 100 | ...                   vec.push(Node::Group(*data, inner_vec));
[INFO] [stdout]     |                       ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `vec`
[INFO] [stdout]    --> src/parser.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         vec.push(group);
[INFO] [stdout]     |                         ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `vec`
[INFO] [stdout]    --> src/parser.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 |                         vec.push(fu);
[INFO] [stdout]     |                         ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0423, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0423`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chem-parse` (lib) due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dbc11277b28c84d892e39de3b30c4312a6ed7a800b5505501781ee7d00ca45b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc11277b28c84d892e39de3b30c4312a6ed7a800b5505501781ee7d00ca45b1", kill_on_drop: false }`
[INFO] [stdout] dbc11277b28c84d892e39de3b30c4312a6ed7a800b5505501781ee7d00ca45b1