[INFO] fetching crate shellfish 0.6.0...
[INFO] testing shellfish-0.6.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate shellfish 0.6.0 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate shellfish 0.6.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shellfish 0.6.0
[INFO] finished tweaking crates.io crate shellfish 0.6.0
[INFO] tweaked toml for crates.io crate shellfish 0.6.0 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate crates.io crate shellfish 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fd-lock v2.0.0
[INFO] [stderr]   Downloaded rustyline v8.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35702fce7a64a078659d39259df2eef9fa1e6e14f19e62a15f765e9f14965f15
[INFO] running `Command { std: "docker" "start" "-a" "35702fce7a64a078659d39259df2eef9fa1e6e14f19e62a15f765e9f14965f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35702fce7a64a078659d39259df2eef9fa1e6e14f19e62a15f765e9f14965f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35702fce7a64a078659d39259df2eef9fa1e6e14f19e62a15f765e9f14965f15", kill_on_drop: false }`
[INFO] [stdout] 35702fce7a64a078659d39259df2eef9fa1e6e14f19e62a15f765e9f14965f15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84504e33df2787c8638410a539dc1277e337fd142f6de0eafc4e943e6977c522
[INFO] running `Command { std: "docker" "start" "-a" "84504e33df2787c8638410a539dc1277e337fd142f6de0eafc4e943e6977c522", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.20.1
[INFO] [stderr]    Compiling fd-lock v2.0.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rustyline v8.2.0
[INFO] [stderr]    Compiling shellfish v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.64s
[INFO] running `Command { std: "docker" "inspect" "84504e33df2787c8638410a539dc1277e337fd142f6de0eafc4e943e6977c522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84504e33df2787c8638410a539dc1277e337fd142f6de0eafc4e943e6977c522", kill_on_drop: false }`
[INFO] [stdout] 84504e33df2787c8638410a539dc1277e337fd142f6de0eafc4e943e6977c522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e4a90000ea7e2b688459403c3d69cd98f959db37e688f8c7a06a1a23a2c23f8
[INFO] running `Command { std: "docker" "start" "-a" "6e4a90000ea7e2b688459403c3d69cd98f959db37e688f8c7a06a1a23a2c23f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling shellfish v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "6e4a90000ea7e2b688459403c3d69cd98f959db37e688f8c7a06a1a23a2c23f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4a90000ea7e2b688459403c3d69cd98f959db37e688f8c7a06a1a23a2c23f8", kill_on_drop: false }`
[INFO] [stdout] 6e4a90000ea7e2b688459403c3d69cd98f959db37e688f8c7a06a1a23a2c23f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38c7611c2e5903cee1a012e2149899b5924ec363bc9c19f87f75dbc627fb1af1
[INFO] running `Command { std: "docker" "start" "-a" "38c7611c2e5903cee1a012e2149899b5924ec363bc9c19f87f75dbc627fb1af1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shellfish-ba5555a52fbe272c)
[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 40) ... FAILED
[INFO] [stdout] test src/command.rs - command::Command<T>::new (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 40) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `async_std`
[INFO] [stdout]   --> src/lib.rs:49:1
[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] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 40)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "38c7611c2e5903cee1a012e2149899b5924ec363bc9c19f87f75dbc627fb1af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c7611c2e5903cee1a012e2149899b5924ec363bc9c19f87f75dbc627fb1af1", kill_on_drop: false }`
[INFO] [stdout] 38c7611c2e5903cee1a012e2149899b5924ec363bc9c19f87f75dbc627fb1af1