[INFO] cloning repository chengang/rust-http-queue-lite
[INFO] running `"git" "clone" "--bare" "git://github.com/chengang/rust-http-queue-lite.git" "work/cache/sources/gh/chengang/rust-http-queue-lite"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/chengang/rust-http-queue-lite'...
[INFO] running `"git" "clone" "work/cache/sources/gh/chengang/rust-http-queue-lite" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/chengang/rust-http-queue-lite"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/chengang/rust-http-queue-lite'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chengang/rust-http-queue-lite" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/chengang/rust-http-queue-lite"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/chengang/rust-http-queue-lite'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75ca664f90336fdd29bd609dbcf28b51729feb8a
[INFO] sha for GitHub repo chengang/rust-http-queue-lite: 75ca664f90336fdd29bd609dbcf28b51729feb8a
[INFO] validating manifest of chengang/rust-http-queue-lite on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of chengang/rust-http-queue-lite on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing chengang/rust-http-queue-lite
[INFO] finished frobbing chengang/rust-http-queue-lite
[INFO] frobbed toml for chengang/rust-http-queue-lite written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/chengang/rust-http-queue-lite/Cargo.toml
[INFO] started frobbing chengang/rust-http-queue-lite
[INFO] finished frobbing chengang/rust-http-queue-lite
[INFO] frobbed toml for chengang/rust-http-queue-lite written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/chengang/rust-http-queue-lite/Cargo.toml
[INFO] crate chengang/rust-http-queue-lite already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/chengang/rust-http-queue-lite/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing chengang/rust-http-queue-lite against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/chengang/rust-http-queue-lite:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] e4e5d925c51a3a187e79fd2125f0a67914f38c9c743bf49ce782f4963e94abe3
[INFO] running `"docker" "start" "-a" "e4e5d925c51a3a187e79fd2125f0a67914f38c9c743bf49ce782f4963e94abe3"`
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling threadpool v0.1.4
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling http-queue-lite v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `decode` found for type `docopt::Docopt` in the current scope
[INFO] [stderr]    --> src/main.rs:202:25
[INFO] [stderr]     |
[INFO] [stderr] 202 |         .and_then(|d| d.decode())
[INFO] [stderr]     |                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `http-queue-lite`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e4e5d925c51a3a187e79fd2125f0a67914f38c9c743bf49ce782f4963e94abe3"`
[INFO] running `"docker" "rm" "-f" "e4e5d925c51a3a187e79fd2125f0a67914f38c9c743bf49ce782f4963e94abe3"`
[INFO] [stdout] e4e5d925c51a3a187e79fd2125f0a67914f38c9c743bf49ce782f4963e94abe3