[INFO] fetching crate wrapped-vec 0.3.0...
[INFO] checking wrapped-vec-0.3.0 against try#4e55a504843955c97eb06907c71f6f3e99208021 for pr-146978
[INFO] extracting crate wrapped-vec 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate wrapped-vec 0.3.0
[INFO] finished tweaking crates.io crate wrapped-vec 0.3.0
[INFO] tweaked toml for crates.io crate wrapped-vec 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wrapped-vec 0.3.0 on toolchain 4e55a504843955c97eb06907c71f6f3e99208021
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "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" "+4e55a504843955c97eb06907c71f6f3e99208021" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.107)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/3beb6b1a29df873d43c99a662e18f175c2b74958c6ec53073df7789728452638-init: no space left on device
[INFO] checking wrapped-vec-0.3.0 against try#4e55a504843955c97eb06907c71f6f3e99208021 for pr-146978
[INFO] extracting crate wrapped-vec 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate wrapped-vec 0.3.0
[INFO] finished tweaking crates.io crate wrapped-vec 0.3.0
[INFO] tweaked toml for crates.io crate wrapped-vec 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wrapped-vec 0.3.0 on toolchain 4e55a504843955c97eb06907c71f6f3e99208021
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "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" "+4e55a504843955c97eb06907c71f6f3e99208021" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.107)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2740aeb359b1464ceeb794ea2a8b4bdf7a312d316157fefc5d592ca66e49bf9
[INFO] running `Command { std: "docker" "start" "-a" "d2740aeb359b1464ceeb794ea2a8b4bdf7a312d316157fefc5d592ca66e49bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2740aeb359b1464ceeb794ea2a8b4bdf7a312d316157fefc5d592ca66e49bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2740aeb359b1464ceeb794ea2a8b4bdf7a312d316157fefc5d592ca66e49bf9", kill_on_drop: false }`
[INFO] [stdout] d2740aeb359b1464ceeb794ea2a8b4bdf7a312d316157fefc5d592ca66e49bf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e52c815339b754840cdc5764e0e637ae3812d72fac1af3f1ed72e4c3cbbd038a
[INFO] running `Command { std: "docker" "start" "-a" "e52c815339b754840cdc5764e0e637ae3812d72fac1af3f1ed72e4c3cbbd038a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking wrapped-vec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 66 |           let wrapper = doc_attr!(
[INFO] [stdout]    |  _______________________-
[INFO] [stdout] 67 | |             input,
[INFO] [stdout] 68 | |             "CollectionDoc",
[INFO] [stdout] 69 | |             format!("A collection of {}s", idents.item)
[INFO] [stdout] 70 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 71 |           let new = doc_attr!(
[INFO] [stdout]    |  ___________________-
[INFO] [stdout] 72 | |             input,
[INFO] [stdout] 73 | |             "CollectionNewDoc",
[INFO] [stdout] 74 | |             format!("Creates a new, empty {}", idents.collection)
[INFO] [stdout] 75 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 76 |           let is_empty = doc_attr!(
[INFO] [stdout]    |  ________________________-
[INFO] [stdout] 77 | |             input,
[INFO] [stdout] 78 | |             "CollectionIsEmptyDoc",
[INFO] [stdout] 79 | |             format!(
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 84 |           let len = doc_attr!(
[INFO] [stdout]    |  ___________________-
[INFO] [stdout] 85 | |             input,
[INFO] [stdout] 86 | |             "CollectionLenDoc",
[INFO] [stdout] 87 | |             format!(
[INFO] [stdout] ...  |
[INFO] [stdout] 91 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 92 |           let iter = doc_attr!(
[INFO] [stdout]    |  ____________________-
[INFO] [stdout] 93 | |             input,
[INFO] [stdout] 94 | |             "CollectionIterDoc",
[INFO] [stdout] 95 | |             format!("Returns an iterator over the {}", idents.collection)
[INFO] [stdout] 96 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 66 |           let wrapper = doc_attr!(
[INFO] [stdout]    |  _______________________-
[INFO] [stdout] 67 | |             input,
[INFO] [stdout] 68 | |             "CollectionDoc",
[INFO] [stdout] 69 | |             format!("A collection of {}s", idents.item)
[INFO] [stdout] 70 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 71 |           let new = doc_attr!(
[INFO] [stdout]    |  ___________________-
[INFO] [stdout] 72 | |             input,
[INFO] [stdout] 73 | |             "CollectionNewDoc",
[INFO] [stdout] 74 | |             format!("Creates a new, empty {}", idents.collection)
[INFO] [stdout] 75 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 76 |           let is_empty = doc_attr!(
[INFO] [stdout]    |  ________________________-
[INFO] [stdout] 77 | |             input,
[INFO] [stdout] 78 | |             "CollectionIsEmptyDoc",
[INFO] [stdout] 79 | |             format!(
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 84 |           let len = doc_attr!(
[INFO] [stdout]    |  ___________________-
[INFO] [stdout] 85 | |             input,
[INFO] [stdout] 86 | |             "CollectionLenDoc",
[INFO] [stdout] 87 | |             format!(
[INFO] [stdout] ...  |
[INFO] [stdout] 91 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 92 |           let iter = doc_attr!(
[INFO] [stdout]    |  ____________________-
[INFO] [stdout] 93 | |             input,
[INFO] [stdout] 94 | |             "CollectionIterDoc",
[INFO] [stdout] 95 | |             format!("Returns an iterator over the {}", idents.collection)
[INFO] [stdout] 96 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wrapped-vec` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `wrapped-vec` (lib test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "e52c815339b754840cdc5764e0e637ae3812d72fac1af3f1ed72e4c3cbbd038a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52c815339b754840cdc5764e0e637ae3812d72fac1af3f1ed72e4c3cbbd038a", kill_on_drop: false }`
[INFO] [stdout] e52c815339b754840cdc5764e0e637ae3812d72fac1af3f1ed72e4c3cbbd038a
