[INFO] fetching crate value-bag 1.11.1...
[INFO] checking value-bag-1.11.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate value-bag 1.11.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate value-bag 1.11.1
[INFO] finished tweaking crates.io crate value-bag 1.11.1
[INFO] tweaked toml for crates.io crate value-bag 1.11.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate value-bag 1.11.1 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 value-bag 1.11.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 81e1ee8b9fd7034cb35c1cde1ab94dd5e4573e66554a890deee30c3a2b2a867f
[INFO] running `Command { std: "docker" "start" "-a" "81e1ee8b9fd7034cb35c1cde1ab94dd5e4573e66554a890deee30c3a2b2a867f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81e1ee8b9fd7034cb35c1cde1ab94dd5e4573e66554a890deee30c3a2b2a867f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e1ee8b9fd7034cb35c1cde1ab94dd5e4573e66554a890deee30c3a2b2a867f", kill_on_drop: false }`
[INFO] [stdout] 81e1ee8b9fd7034cb35c1cde1ab94dd5e4573e66554a890deee30c3a2b2a867f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b48830f0bed51faf2032450c45c3f2105f7518e79a5334749f130d5007094d7a
[INFO] running `Command { std: "docker" "start" "-a" "b48830f0bed51faf2032450c45c3f2105f7518e79a5334749f130d5007094d7a", kill_on_drop: false }`
[INFO] [stderr]     Checking value-bag v1.11.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> src/impls.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 | /                     v.$to()
[INFO] [stdout] 35 | |                         .ok_or_else(|| Error::msg("conversion failed"))?
[INFO] [stdout] 36 | |                         .try_into()
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 58 | / convert_primitive!(
[INFO] [stdout] 59 | |     u8: from_u8, to_u64,
[INFO] [stdout] 60 | |     u16: from_u16, to_u64,
[INFO] [stdout] 61 | |     u32: from_u32, to_u64,
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |     char: from_char, to_char,
[INFO] [stdout] 72 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `convert_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]   --> src/impls.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 | /                     v.$to()
[INFO] [stdout] 35 | |                         .ok_or_else(|| Error::msg("conversion failed"))?
[INFO] [stdout] 36 | |                         .try_into()
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 58 | / convert_primitive!(
[INFO] [stdout] 59 | |     u8: from_u8, to_u64,
[INFO] [stdout] 60 | |     u16: from_u16, to_u64,
[INFO] [stdout] 61 | |     u32: from_u32, to_u64,
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |     char: from_char, to_char,
[INFO] [stdout] 72 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `convert_primitive` (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<f64, Infallible>
[INFO] [stdout]   --> src/impls.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 | /                     v.$to()
[INFO] [stdout] 35 | |                         .ok_or_else(|| Error::msg("conversion failed"))?
[INFO] [stdout] 36 | |                         .try_into()
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 58 | / convert_primitive!(
[INFO] [stdout] 59 | |     u8: from_u8, to_u64,
[INFO] [stdout] 60 | |     u16: from_u16, to_u64,
[INFO] [stdout] 61 | |     u32: from_u32, to_u64,
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |     char: from_char, to_char,
[INFO] [stdout] 72 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `convert_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> src/impls.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 | /                     v.$to()
[INFO] [stdout] 35 | |                         .ok_or_else(|| Error::msg("conversion failed"))?
[INFO] [stdout] 36 | |                         .try_into()
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 58 | / convert_primitive!(
[INFO] [stdout] 59 | |     u8: from_u8, to_u64,
[INFO] [stdout] 60 | |     u16: from_u16, to_u64,
[INFO] [stdout] 61 | |     u32: from_u32, to_u64,
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |     char: from_char, to_char,
[INFO] [stdout] 72 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `convert_primitive` (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<char, Infallible>
[INFO] [stdout]   --> src/impls.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 | /                     v.$to()
[INFO] [stdout] 35 | |                         .ok_or_else(|| Error::msg("conversion failed"))?
[INFO] [stdout] 36 | |                         .try_into()
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 58 | / convert_primitive!(
[INFO] [stdout] 59 | |     u8: from_u8, to_u64,
[INFO] [stdout] 60 | |     u16: from_u16, to_u64,
[INFO] [stdout] 61 | |     u32: from_u32, to_u64,
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |     char: from_char, to_char,
[INFO] [stdout] 72 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `convert_primitive` (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/internal/cast/mod.rs:404:38
[INFO] [stdout]     |
[INFO] [stdout] 404 |             Cast::Unsigned(value) => value.try_into().ok(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/internal/cast/mod.rs:416:35
[INFO] [stdout]     |
[INFO] [stdout] 416 |                 .and_then(|value| value.try_into().ok()),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/internal/cast/mod.rs:419:35
[INFO] [stdout]     |
[INFO] [stdout] 419 |                 .and_then(|value| value.try_into().ok()),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/internal/cast/mod.rs:422:35
[INFO] [stdout]     |
[INFO] [stdout] 422 |                 .and_then(|value| value.try_into().ok()),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/internal/cast/mod.rs:425:35
[INFO] [stdout]     |
[INFO] [stdout] 425 |                 .and_then(|value| value.try_into().ok()),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `value-bag` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> src/impls.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 | /                     v.$to()
[INFO] [stdout] 35 | |                         .ok_or_else(|| Error::msg("conversion failed"))?
[INFO] [stdout] 36 | |                         .try_into()
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 58 | / convert_primitive!(
[INFO] [stdout] 59 | |     u8: from_u8, to_u64,
[INFO] [stdout] 60 | |     u16: from_u16, to_u64,
[INFO] [stdout] 61 | |     u32: from_u32, to_u64,
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |     char: from_char, to_char,
[INFO] [stdout] 72 | | );
[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 `convert_primitive` (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/impls.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 | /                     v.$to()
[INFO] [stdout] 35 | |                         .ok_or_else(|| Error::msg("conversion failed"))?
[INFO] [stdout] 36 | |                         .try_into()
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 58 | / convert_primitive!(
[INFO] [stdout] 59 | |     u8: from_u8, to_u64,
[INFO] [stdout] 60 | |     u16: from_u16, to_u64,
[INFO] [stdout] 61 | |     u32: from_u32, to_u64,
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |     char: from_char, to_char,
[INFO] [stdout] 72 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `convert_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/impls.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 | /                     v.$to()
[INFO] [stdout] 35 | |                         .ok_or_else(|| Error::msg("conversion failed"))?
[INFO] [stdout] 36 | |                         .try_into()
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 58 | / convert_primitive!(
[INFO] [stdout] 59 | |     u8: from_u8, to_u64,
[INFO] [stdout] 60 | |     u16: from_u16, to_u64,
[INFO] [stdout] 61 | |     u32: from_u32, to_u64,
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |     char: from_char, to_char,
[INFO] [stdout] 72 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `convert_primitive` (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<bool, Infallible>
[INFO] [stdout]   --> src/impls.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 | /                     v.$to()
[INFO] [stdout] 35 | |                         .ok_or_else(|| Error::msg("conversion failed"))?
[INFO] [stdout] 36 | |                         .try_into()
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 58 | / convert_primitive!(
[INFO] [stdout] 59 | |     u8: from_u8, to_u64,
[INFO] [stdout] 60 | |     u16: from_u16, to_u64,
[INFO] [stdout] 61 | |     u32: from_u32, to_u64,
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |     char: from_char, to_char,
[INFO] [stdout] 72 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `convert_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<char, Infallible>
[INFO] [stdout]   --> src/impls.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 | /                     v.$to()
[INFO] [stdout] 35 | |                         .ok_or_else(|| Error::msg("conversion failed"))?
[INFO] [stdout] 36 | |                         .try_into()
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 58 | / convert_primitive!(
[INFO] [stdout] 59 | |     u8: from_u8, to_u64,
[INFO] [stdout] 60 | |     u16: from_u16, to_u64,
[INFO] [stdout] 61 | |     u32: from_u32, to_u64,
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |     char: from_char, to_char,
[INFO] [stdout] 72 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `convert_primitive` (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/internal/cast/mod.rs:404:38
[INFO] [stdout]     |
[INFO] [stdout] 404 |             Cast::Unsigned(value) => value.try_into().ok(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/internal/cast/mod.rs:416:35
[INFO] [stdout]     |
[INFO] [stdout] 416 |                 .and_then(|value| value.try_into().ok()),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/internal/cast/mod.rs:419:35
[INFO] [stdout]     |
[INFO] [stdout] 419 |                 .and_then(|value| value.try_into().ok()),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/internal/cast/mod.rs:422:35
[INFO] [stdout]     |
[INFO] [stdout] 422 |                 .and_then(|value| value.try_into().ok()),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/internal/cast/mod.rs:425:35
[INFO] [stdout]     |
[INFO] [stdout] 425 |                 .and_then(|value| value.try_into().ok()),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `value-bag` (lib test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "b48830f0bed51faf2032450c45c3f2105f7518e79a5334749f130d5007094d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b48830f0bed51faf2032450c45c3f2105f7518e79a5334749f130d5007094d7a", kill_on_drop: false }`
[INFO] [stdout] b48830f0bed51faf2032450c45c3f2105f7518e79a5334749f130d5007094d7a