[INFO] updating cached repository https://github.com/davidaq/rust-babeljs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 74e470ac668b87436554020438e652671150172e
[INFO] checking davidaq/rust-babeljs against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidaq%2Frust-babeljs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidaq/rust-babeljs on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/davidaq/rust-babeljs
[INFO] finished tweaking git repo https://github.com/davidaq/rust-babeljs
[INFO] tweaked toml for git repo https://github.com/davidaq/rust-babeljs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/davidaq/rust-babeljs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52f6da61f73df912bb58a36419934ab28baceea4d8d8768ec4b8da0d17edb4fc
[INFO] running `"docker" "start" "-a" "52f6da61f73df912bb58a36419934ab28baceea4d8d8768ec4b8da0d17edb4fc"`
[INFO] [stderr]    Compiling rust-babeljs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]  --> src/syntax/tokenize/rule_number.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn try (context: &mut Context) -> Option<( u16, usize )> {
[INFO] [stderr]   |                           ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::task::Context;
[INFO] [stderr]   |
[INFO] [stderr] 1 | use syntax::context::Context;
[INFO] [stderr]   |
[INFO] [stderr] 1 | use syntax::tokenize::context::Context;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]   --> src/syntax/tokenize/rule_number.rs:13:30
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn number_len (context: &mut Context) -> usize {
[INFO] [stderr]    |                              ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::tokenize::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]   --> src/syntax/tokenize/rule_number.rs:41:34
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn bin_number_len (context: &mut Context) -> usize {
[INFO] [stderr]    |                                  ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::tokenize::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]   --> src/syntax/tokenize/rule_number.rs:56:34
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn hex_number_len (context: &mut Context) -> usize {
[INFO] [stderr]    |                                  ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::tokenize::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]   --> src/syntax/tokenize/rule_number.rs:72:35
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn deci_number_len (context: &mut Context, accept_dot: bool, accept_exp: bool) -> usize {
[INFO] [stderr]    |                                   ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::tokenize::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]  --> src/syntax/tokenize/rule_number.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn try (context: &mut Context) -> Option<( u16, usize )> {
[INFO] [stderr]   |                           ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::task::Context;
[INFO] [stderr]   |
[INFO] [stderr] 1 | use syntax::context::Context;
[INFO] [stderr]   |
[INFO] [stderr] 1 | use syntax::tokenize::context::Context;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]   --> src/syntax/tokenize/rule_number.rs:13:30
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn number_len (context: &mut Context) -> usize {
[INFO] [stderr]    |                              ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::tokenize::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]   --> src/syntax/tokenize/rule_number.rs:41:34
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn bin_number_len (context: &mut Context) -> usize {
[INFO] [stderr]    |                                  ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::tokenize::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]   --> src/syntax/tokenize/rule_number.rs:56:34
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn hex_number_len (context: &mut Context) -> usize {
[INFO] [stderr]    |                                  ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::tokenize::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]   --> src/syntax/tokenize/rule_number.rs:72:35
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn deci_number_len (context: &mut Context, accept_dot: bool, accept_exp: bool) -> usize {
[INFO] [stderr]    |                                   ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use syntax::tokenize::context::Context;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]  --> src/syntax/tokenize/rule_number.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Option::Some(( tt::NUMERIC_LITERAL, len ))
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^^^^^ expected u16, found usize
[INFO] [stderr] help: you can convert an `usize` to `u16` and panic if the converted value wouldn't fit
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Option::Some(( tt::NUMERIC_LITERAL.try_into().unwrap(), len ))
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0412.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]  --> src/syntax/tokenize/rule_number.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Option::Some(( tt::NUMERIC_LITERAL, len ))
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^^^^^ expected u16, found usize
[INFO] [stderr] help: you can convert an `usize` to `u16` and panic if the converted value wouldn't fit
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Option::Some(( tt::NUMERIC_LITERAL.try_into().unwrap(), len ))
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rust-babeljs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0412.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `rust-babeljs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "52f6da61f73df912bb58a36419934ab28baceea4d8d8768ec4b8da0d17edb4fc"`
[INFO] running `"docker" "rm" "-f" "52f6da61f73df912bb58a36419934ab28baceea4d8d8768ec4b8da0d17edb4fc"`
[INFO] [stdout] 52f6da61f73df912bb58a36419934ab28baceea4d8d8768ec4b8da0d17edb4fc