[INFO] fetching crate stack-buf 0.1.6...
[INFO] testing stack-buf-0.1.6 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate stack-buf 0.1.6 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate stack-buf 0.1.6 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stack-buf 0.1.6
[INFO] finished tweaking crates.io crate stack-buf 0.1.6
[INFO] tweaked toml for crates.io crate stack-buf 0.1.6 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6537bc7dfa17d78f944d5fb79965af66f34e21c515a22ca5fd514ba6feea3e10
[INFO] running `Command { std: "docker" "start" "-a" "6537bc7dfa17d78f944d5fb79965af66f34e21c515a22ca5fd514ba6feea3e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6537bc7dfa17d78f944d5fb79965af66f34e21c515a22ca5fd514ba6feea3e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6537bc7dfa17d78f944d5fb79965af66f34e21c515a22ca5fd514ba6feea3e10", kill_on_drop: false }`
[INFO] [stdout] 6537bc7dfa17d78f944d5fb79965af66f34e21c515a22ca5fd514ba6feea3e10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88e58f93e2b8c3bab8fbed2eca7cc88d4680690c67dd678a5ce225913226c585
[INFO] running `Command { std: "docker" "start" "-a" "88e58f93e2b8c3bab8fbed2eca7cc88d4680690c67dd678a5ce225913226c585", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stack-buf v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "88e58f93e2b8c3bab8fbed2eca7cc88d4680690c67dd678a5ce225913226c585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e58f93e2b8c3bab8fbed2eca7cc88d4680690c67dd678a5ce225913226c585", kill_on_drop: false }`
[INFO] [stdout] 88e58f93e2b8c3bab8fbed2eca7cc88d4680690c67dd678a5ce225913226c585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d09f220f3abe7cf2ad84abbababe764acbb6461abf37e9a52030646a050959b8
[INFO] running `Command { std: "docker" "start" "-a" "d09f220f3abe7cf2ad84abbababe764acbb6461abf37e9a52030646a050959b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack-buf v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "d09f220f3abe7cf2ad84abbababe764acbb6461abf37e9a52030646a050959b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09f220f3abe7cf2ad84abbababe764acbb6461abf37e9a52030646a050959b8", kill_on_drop: false }`
[INFO] [stdout] d09f220f3abe7cf2ad84abbababe764acbb6461abf37e9a52030646a050959b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 907c491f537e3354bc230cfca67ea28fdd5402528c89e3c3a6b2d4464fa19428
[INFO] running `Command { std: "docker" "start" "-a" "907c491f537e3354bc230cfca67ea28fdd5402528c89e3c3a6b2d4464fa19428", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stack_buf-67c74edb60a862b2)
[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 stack-buf
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test src/vec.rs - vec::&'amutStackVec<T,N> (line 1132) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::is_full (line 204) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N> (line 1155) ... ok
[INFO] [stdout] test src/vec.rs - vec::&'aStackVec<T,N> (line 1111) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::clear (line 373) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::is_empty (line 188) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::copy_from_slice (line 827) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N> (line 861) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::dedup_by_key (line 673) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::capacity (line 221) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::insert (line 396) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::remove (line 438) ... ok
[INFO] [stdout] test src/vec.rs - vec::stack_vec (line 1310) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::from_elem (line 701) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::extend_from_slice (line 754) ... ok
[INFO] [stdout] test src/vec.rs - vec::stack_vec (line 1340) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::drain (line 531) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::swap_remove (line 481) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::remaining_capacity (line 236) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::truncate (line 343) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::dedup_by (line 626) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::pop (line 314) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::new (line 150) ... ok
[INFO] [stdout] test src/vec.rs - vec::stack_vec (line 1324) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::push_elem (line 722) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::push (line 294) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::retain (line 591) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::len (line 172) ... ok
[INFO] [stdout] test src/vec.rs - vec::StackVec<T,N>::resize (line 788) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "907c491f537e3354bc230cfca67ea28fdd5402528c89e3c3a6b2d4464fa19428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907c491f537e3354bc230cfca67ea28fdd5402528c89e3c3a6b2d4464fa19428", kill_on_drop: false }`
[INFO] [stdout] 907c491f537e3354bc230cfca67ea28fdd5402528c89e3c3a6b2d4464fa19428