[INFO] fetching crate couchdb-container 0.2.0...
[INFO] checking couchdb-container-0.2.0 against 1.95.0 for pr-155915
[INFO] extracting crate couchdb-container 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate couchdb-container 0.2.0
[INFO] finished tweaking crates.io crate couchdb-container 0.2.0
[INFO] tweaked toml for crates.io crate couchdb-container 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate couchdb-container 0.2.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 262 packages to latest compatible versions
[INFO] [stderr]       Adding harbourmaster v0.3.1 (available: v0.5.0)
[INFO] [stderr]       Adding shiplift v0.5.0 (available: v0.7.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.28
[INFO] [stderr]   Downloaded mio-uds v0.6.8
[INFO] [stderr]   Downloaded tokio-fs v0.1.7
[INFO] [stderr]   Downloaded tokio-udp v0.1.6
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded hyperlocal v0.6.0
[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] [stderr]   Downloaded tokio-codec v0.1.2
[INFO] [stderr]   Downloaded shiplift v0.5.0
[INFO] [stderr]   Downloaded tokio-openssl v0.6.5
[INFO] [stderr]   Downloaded tokio-openssl v0.3.0
[INFO] [stderr]   Downloaded shiplift v0.7.0
[INFO] [stderr]   Downloaded serde_spanned v1.1.1
[INFO] [stderr]   Downloaded hyperlocal v0.8.0
[INFO] [stderr]   Downloaded toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]   Downloaded toml v1.1.2+spec-1.1.0
[INFO] [stderr]   Downloaded cargo-readme v3.3.2
[INFO] [stderr]   Downloaded hyper-openssl v0.7.1
[INFO] [stderr]   Downloaded pin-project v0.4.30
[INFO] [stderr]   Downloaded hyper-openssl v0.9.2
[INFO] [stderr]   Downloaded linked_hash_set v0.1.6
[INFO] [stderr]   Downloaded pin-project-internal v0.4.30
[INFO] [stderr]   Downloaded futures_codec v0.4.1
[INFO] [stderr]   Downloaded winnow v1.0.2
[INFO] [stderr]   Downloaded harbourmaster v0.3.1
[INFO] [stderr]   Downloaded antidote v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dc29422406b76cb0d579096584a510d01ddae35cd14cb8a6761c82df5238d05
[INFO] running `Command { std: "docker" "start" "-a" "1dc29422406b76cb0d579096584a510d01ddae35cd14cb8a6761c82df5238d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dc29422406b76cb0d579096584a510d01ddae35cd14cb8a6761c82df5238d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc29422406b76cb0d579096584a510d01ddae35cd14cb8a6761c82df5238d05", kill_on_drop: false }`
[INFO] [stdout] 1dc29422406b76cb0d579096584a510d01ddae35cd14cb8a6761c82df5238d05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eb174aac66a7225579e8106a23399a59d3fff451050d469bbfb8ace3e3fde6f
[INFO] running `Command { std: "docker" "start" "-a" "9eb174aac66a7225579e8106a23399a59d3fff451050d469bbfb8ace3e3fde6f", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.31
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[INFO] [stderr]     Checking bytes v0.4.12
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[INFO] [stderr]    Compiling synstructure v0.13.2
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[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]    Compiling pin-project-internal v1.1.12
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[INFO] [stderr]     Checking icu_collections v2.2.0
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[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking shiplift v0.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.2
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[INFO] [stderr]     Checking hyperlocal v0.8.0
[INFO] [stderr]     Checking shiplift v0.7.0
[INFO] [stderr]     Checking harbourmaster v0.3.1
[INFO] [stderr]     Checking couchdb-container v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `async_await` has been stable since `1.39.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `couchdb-container` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `async_await` has been stable since `1.39.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `couchdb-container` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9eb174aac66a7225579e8106a23399a59d3fff451050d469bbfb8ace3e3fde6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb174aac66a7225579e8106a23399a59d3fff451050d469bbfb8ace3e3fde6f", kill_on_drop: false }`
[INFO] [stdout] 9eb174aac66a7225579e8106a23399a59d3fff451050d469bbfb8ace3e3fde6f
