[INFO] fetching crate shellfish 0.5.1...
[INFO] testing shellfish-0.5.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate shellfish 0.5.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate shellfish 0.5.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shellfish 0.5.1
[INFO] finished tweaking crates.io crate shellfish 0.5.1
[INFO] tweaked toml for crates.io crate shellfish 0.5.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate shellfish 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83add53664bfaca5a297a01992cad6bcbf4b4169bc93ed2cf4579c7cafe095f8
[INFO] running `Command { std: "docker" "start" "-a" "83add53664bfaca5a297a01992cad6bcbf4b4169bc93ed2cf4579c7cafe095f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83add53664bfaca5a297a01992cad6bcbf4b4169bc93ed2cf4579c7cafe095f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83add53664bfaca5a297a01992cad6bcbf4b4169bc93ed2cf4579c7cafe095f8", kill_on_drop: false }`
[INFO] [stdout] 83add53664bfaca5a297a01992cad6bcbf4b4169bc93ed2cf4579c7cafe095f8
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56f10548bad482152499cad485f28e24d85e42ccdbf37a1cf3e0d39753df6a7f
[INFO] running `Command { std: "docker" "start" "-a" "56f10548bad482152499cad485f28e24d85e42ccdbf37a1cf3e0d39753df6a7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling fd-lock v2.0.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rustyline v8.2.0
[INFO] [stderr]    Compiling shellfish v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.52s
[INFO] running `Command { std: "docker" "inspect" "56f10548bad482152499cad485f28e24d85e42ccdbf37a1cf3e0d39753df6a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f10548bad482152499cad485f28e24d85e42ccdbf37a1cf3e0d39753df6a7f", kill_on_drop: false }`
[INFO] [stdout] 56f10548bad482152499cad485f28e24d85e42ccdbf37a1cf3e0d39753df6a7f
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c3da79da24b83e5e3c95edead59f825f63dc4f905721a2742b73b56cd4c35b4
[INFO] running `Command { std: "docker" "start" "-a" "1c3da79da24b83e5e3c95edead59f825f63dc4f905721a2742b73b56cd4c35b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling shellfish v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "1c3da79da24b83e5e3c95edead59f825f63dc4f905721a2742b73b56cd4c35b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c3da79da24b83e5e3c95edead59f825f63dc4f905721a2742b73b56cd4c35b4", kill_on_drop: false }`
[INFO] [stdout] 1c3da79da24b83e5e3c95edead59f825f63dc4f905721a2742b73b56cd4c35b4
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2054575e4d6e2b1376ad0ee40f15cdd41d03a69ffdaedf7fcb4f854e733db6ac
[INFO] running `Command { std: "docker" "start" "-a" "2054575e4d6e2b1376ad0ee40f15cdd41d03a69ffdaedf7fcb4f854e733db6ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shellfish-3d862b202cb85122)
[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] [stderr]    Doc-tests shellfish
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 34) ... FAILED
[INFO] [stdout] test src/command.rs - command::Command<T>::new (line 45) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 34) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `async_std`
[INFO] [stdout]   --> src/lib.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate async_std;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/command.rs - command::Command<T>::new (line 45) stdout ----
[INFO] [stdout] error: expected one of `!`, `+`, `,`, `::`, `:`, `=`, or `>`, found `{`
[INFO] [stdout]  --> src/command.rs:49:70
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn greet(_state: (), args: Vec<String>) -> Result<(), Box<dyn Error> {
[INFO] [stdout]   |                                                                      ^ expected one of 7 possible tokens
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/command.rs - command::Command<T>::new (line 45)
[INFO] [stdout]     src/lib.rs - (line 34)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "2054575e4d6e2b1376ad0ee40f15cdd41d03a69ffdaedf7fcb4f854e733db6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2054575e4d6e2b1376ad0ee40f15cdd41d03a69ffdaedf7fcb4f854e733db6ac", kill_on_drop: false }`
[INFO] [stdout] 2054575e4d6e2b1376ad0ee40f15cdd41d03a69ffdaedf7fcb4f854e733db6ac