[INFO] fetching crate salak 0.14.1...
[INFO] checking salak-0.14.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate salak 0.14.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate salak 0.14.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate salak 0.14.1
[INFO] tweaked toml for crates.io crate salak 0.14.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate salak 0.14.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate salak 0.14.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa6dadb2df5b29ca87c291d5ff92eb8e6cf09a06f75a7c8dd2ea430b769dc3ef
[INFO] running `Command { std: "docker" "start" "-a" "aa6dadb2df5b29ca87c291d5ff92eb8e6cf09a06f75a7c8dd2ea430b769dc3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa6dadb2df5b29ca87c291d5ff92eb8e6cf09a06f75a7c8dd2ea430b769dc3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6dadb2df5b29ca87c291d5ff92eb8e6cf09a06f75a7c8dd2ea430b769dc3ef", kill_on_drop: false }`
[INFO] [stdout] aa6dadb2df5b29ca87c291d5ff92eb8e6cf09a06f75a7c8dd2ea430b769dc3ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5be36d57fe75631c3b888401dadeedd5f18193107e4ca35275b1ef95df2badfb
[INFO] running `Command { std: "docker" "start" "-a" "5be36d57fe75631c3b888401dadeedd5f18193107e4ca35275b1ef95df2badfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling trybuild v1.0.45
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling salak_derive v0.8.0
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking salak v0.14.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stdout] warning: fields `key`, `tp`, and `def` are never read
[INFO] [stdout]   --> src/derive.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub(crate) struct KeyDesc {
[INFO] [stdout]    |                   ------- fields in this struct
[INFO] [stdout] 47 |     key: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 48 |     tp: &'static str,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 49 |     pub(crate) required: Option<bool>,
[INFO] [stdout] 50 |     def: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KeyDesc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyDescs` is never constructed
[INFO] [stdout]   --> src/derive.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub(crate) struct KeyDescs(pub(crate) Vec<KeyDesc>);
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/raw.rs:141:39
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     Property::I(s) => $x::try_from(s)?,
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 | impl_property_num!(i8, i16, i32, i64, i128, u8, u16, u32, u64, u128, isize, usize);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_property_num` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/raw.rs:141:39
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     Property::I(s) => $x::try_from(s)?,
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 | impl_property_num!(i8, i16, i32, i64, i128, u8, u16, u32, u64, u128, isize, usize);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_property_num` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i128>
[INFO] [stdout]    --> src/raw.rs:141:39
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     Property::I(s) => $x::try_from(s)?,
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 | impl_property_num!(i8, i16, i32, i64, i128, u8, u16, u32, u64, u128, isize, usize);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_property_num` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i128, Infallible>
[INFO] [stdout]    --> src/raw.rs:141:39
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     Property::I(s) => $x::try_from(s)?,
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 | impl_property_num!(i8, i16, i32, i64, i128, u8, u16, u32, u64, u128, isize, usize);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_property_num` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/raw.rs:403:39
[INFO] [stdout]     |
[INFO] [stdout] 403 |                       Property::S(s) => <$x>::from_str(s)?,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 413 | / impl_property_from_str!(
[INFO] [stdout] 414 | |     Ipv4Addr,
[INFO] [stdout] 415 | |     Ipv6Addr,
[INFO] [stdout] 416 | |     IpAddr,
[INFO] [stdout] ...   |
[INFO] [stdout] 421 | |     OsString
[INFO] [stdout] 422 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_property_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/raw.rs:403:39
[INFO] [stdout]     |
[INFO] [stdout] 403 |                       Property::S(s) => <$x>::from_str(s)?,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 413 | / impl_property_from_str!(
[INFO] [stdout] 414 | |     Ipv4Addr,
[INFO] [stdout] 415 | |     Ipv6Addr,
[INFO] [stdout] 416 | |     IpAddr,
[INFO] [stdout] ...   |
[INFO] [stdout] 421 | |     OsString
[INFO] [stdout] 422 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_property_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/raw.rs:404:39
[INFO] [stdout]     |
[INFO] [stdout] 404 |                       Property::O(s) => <$x>::from_str(&s)?,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 413 | / impl_property_from_str!(
[INFO] [stdout] 414 | |     Ipv4Addr,
[INFO] [stdout] 415 | |     Ipv6Addr,
[INFO] [stdout] 416 | |     IpAddr,
[INFO] [stdout] ...   |
[INFO] [stdout] 421 | |     OsString
[INFO] [stdout] 422 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_property_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/raw.rs:404:39
[INFO] [stdout]     |
[INFO] [stdout] 404 |                       Property::O(s) => <$x>::from_str(&s)?,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 413 | / impl_property_from_str!(
[INFO] [stdout] 414 | |     Ipv4Addr,
[INFO] [stdout] 415 | |     Ipv6Addr,
[INFO] [stdout] 416 | |     IpAddr,
[INFO] [stdout] ...   |
[INFO] [stdout] 421 | |     OsString
[INFO] [stdout] 422 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_property_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, OsString>
[INFO] [stdout]    --> src/raw.rs:403:39
[INFO] [stdout]     |
[INFO] [stdout] 403 |                       Property::S(s) => <$x>::from_str(s)?,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 413 | / impl_property_from_str!(
[INFO] [stdout] 414 | |     Ipv4Addr,
[INFO] [stdout] 415 | |     Ipv6Addr,
[INFO] [stdout] 416 | |     IpAddr,
[INFO] [stdout] ...   |
[INFO] [stdout] 421 | |     OsString
[INFO] [stdout] 422 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_property_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/raw.rs:403:39
[INFO] [stdout]     |
[INFO] [stdout] 403 |                       Property::S(s) => <$x>::from_str(s)?,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 413 | / impl_property_from_str!(
[INFO] [stdout] 414 | |     Ipv4Addr,
[INFO] [stdout] 415 | |     Ipv6Addr,
[INFO] [stdout] 416 | |     IpAddr,
[INFO] [stdout] ...   |
[INFO] [stdout] 421 | |     OsString
[INFO] [stdout] 422 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_property_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, OsString>
[INFO] [stdout]    --> src/raw.rs:404:39
[INFO] [stdout]     |
[INFO] [stdout] 404 |                       Property::O(s) => <$x>::from_str(&s)?,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 413 | / impl_property_from_str!(
[INFO] [stdout] 414 | |     Ipv4Addr,
[INFO] [stdout] 415 | |     Ipv6Addr,
[INFO] [stdout] 416 | |     IpAddr,
[INFO] [stdout] ...   |
[INFO] [stdout] 421 | |     OsString
[INFO] [stdout] 422 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_property_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/raw.rs:404:39
[INFO] [stdout]     |
[INFO] [stdout] 404 |                       Property::O(s) => <$x>::from_str(&s)?,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 413 | / impl_property_from_str!(
[INFO] [stdout] 414 | |     Ipv4Addr,
[INFO] [stdout] 415 | |     Ipv6Addr,
[INFO] [stdout] 416 | |     IpAddr,
[INFO] [stdout] ...   |
[INFO] [stdout] 421 | |     OsString
[INFO] [stdout] 422 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_property_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr] error: could not compile `salak` (lib) due to 12 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5be36d57fe75631c3b888401dadeedd5f18193107e4ca35275b1ef95df2badfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be36d57fe75631c3b888401dadeedd5f18193107e4ca35275b1ef95df2badfb", kill_on_drop: false }`
[INFO] [stdout] 5be36d57fe75631c3b888401dadeedd5f18193107e4ca35275b1ef95df2badfb
