[INFO] cloning repository https://github.com/ParkerTenBroeck/asm-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ParkerTenBroeck/asm-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkerTenBroeck%2Fasm-lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkerTenBroeck%2Fasm-lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a7e6dd1ddcf8d6905b947d24efc20c0c4cea154
[INFO] checking ParkerTenBroeck/asm-lib against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkerTenBroeck%2Fasm-lib" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ParkerTenBroeck/asm-lib
[INFO] finished tweaking git repo https://github.com/ParkerTenBroeck/asm-lib
[INFO] tweaked toml for git repo https://github.com/ParkerTenBroeck/asm-lib written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ParkerTenBroeck/asm-lib 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 git repo https://github.com/ParkerTenBroeck/asm-lib 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30c3402d910c2e2082cf2f37b7526e3342e66e967ecbaa7f55fe290161cebcd3
[INFO] running `Command { std: "docker" "start" "-a" "30c3402d910c2e2082cf2f37b7526e3342e66e967ecbaa7f55fe290161cebcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30c3402d910c2e2082cf2f37b7526e3342e66e967ecbaa7f55fe290161cebcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30c3402d910c2e2082cf2f37b7526e3342e66e967ecbaa7f55fe290161cebcd3", kill_on_drop: false }`
[INFO] [stdout] 30c3402d910c2e2082cf2f37b7526e3342e66e967ecbaa7f55fe290161cebcd3
[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 -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] 786d1da8d1b95e5e350b9012520ce05045f1a730bf3a4911695f9fc24ccba95e
[INFO] running `Command { std: "docker" "start" "-a" "786d1da8d1b95e5e350b9012520ce05045f1a730bf3a4911695f9fc24ccba95e", kill_on_drop: false }`
[INFO] [stderr]     Checking bumpalo v3.19.0
[INFO] [stderr]     Checking assembler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> src/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 | / implicit_convert_into!(
[INFO] [stdout] 161 | |     into: u16,
[INFO] [stdout] 162 | |     from_signed: i16,
[INFO] [stdout] 163 | |     try_narrowing: [i32, i64, i128, u32, u64, u128],
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 168 | | );
[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 `implicit_convert_into` (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<u32, Infallible>
[INFO] [stdout]    --> src/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 | / implicit_convert_into!(
[INFO] [stdout] 170 | |     into: u32,
[INFO] [stdout] 171 | |     from_signed: i32,
[INFO] [stdout] 172 | |     try_narrowing: [i64, i128, u64, u128],
[INFO] [stdout] ...   |
[INFO] [stdout] 176 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 177 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `implicit_convert_into` (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<u64, Infallible>
[INFO] [stdout]    --> src/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 | / implicit_convert_into!(
[INFO] [stdout] 179 | |     into: u64,
[INFO] [stdout] 180 | |     from_signed: i64,
[INFO] [stdout] 181 | |     try_narrowing: [i128, u128],
[INFO] [stdout] ...   |
[INFO] [stdout] 185 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 186 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `implicit_convert_into` (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<u128, Infallible>
[INFO] [stdout]    --> src/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 | / implicit_convert_into!(
[INFO] [stdout] 188 | |     into: u128,
[INFO] [stdout] 189 | |     from_signed: i128,
[INFO] [stdout] 190 | |     try_narrowing: [],
[INFO] [stdout] ...   |
[INFO] [stdout] 194 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 195 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `implicit_convert_into` (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<i16, Infallible>
[INFO] [stdout]    --> src/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 | / implicit_convert_into!(
[INFO] [stdout] 207 | |     into: i16,
[INFO] [stdout] 208 | |     from_unsigned: u16,
[INFO] [stdout] 209 | |     try_narrowing: [i32, i64, i128, u32, u64, u128],
[INFO] [stdout] ...   |
[INFO] [stdout] 214 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 215 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `implicit_convert_into` (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<i32, Infallible>
[INFO] [stdout]    --> src/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 216 | / implicit_convert_into!(
[INFO] [stdout] 217 | |     into: i32,
[INFO] [stdout] 218 | |     from_unsigned: u32,
[INFO] [stdout] 219 | |     try_narrowing: [ i64, i128, u64, u128],
[INFO] [stdout] ...   |
[INFO] [stdout] 223 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 224 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `implicit_convert_into` (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/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 | / implicit_convert_into!(
[INFO] [stdout] 226 | |     into: i64,
[INFO] [stdout] 227 | |     from_unsigned: u64,
[INFO] [stdout] 228 | |     try_narrowing: [i128, u128],
[INFO] [stdout] ...   |
[INFO] [stdout] 232 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 233 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `implicit_convert_into` (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/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 | / implicit_convert_into!(
[INFO] [stdout] 235 | |     into: i128,
[INFO] [stdout] 236 | |     from_unsigned: u128,
[INFO] [stdout] 237 | |     try_narrowing: [],
[INFO] [stdout] ...   |
[INFO] [stdout] 241 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 242 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `implicit_convert_into` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `assembler` (lib test) due to 8 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<u16, Infallible>
[INFO] [stdout]    --> src/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 | / implicit_convert_into!(
[INFO] [stdout] 161 | |     into: u16,
[INFO] [stdout] 162 | |     from_signed: i16,
[INFO] [stdout] 163 | |     try_narrowing: [i32, i64, i128, u32, u64, u128],
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 168 | | );
[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 `implicit_convert_into` (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<u32, Infallible>
[INFO] [stdout]    --> src/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 | / implicit_convert_into!(
[INFO] [stdout] 170 | |     into: u32,
[INFO] [stdout] 171 | |     from_signed: i32,
[INFO] [stdout] 172 | |     try_narrowing: [i64, i128, u64, u128],
[INFO] [stdout] ...   |
[INFO] [stdout] 176 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 177 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `implicit_convert_into` (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<u64, Infallible>
[INFO] [stdout]    --> src/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 | / implicit_convert_into!(
[INFO] [stdout] 179 | |     into: u64,
[INFO] [stdout] 180 | |     from_signed: i64,
[INFO] [stdout] 181 | |     try_narrowing: [i128, u128],
[INFO] [stdout] ...   |
[INFO] [stdout] 185 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 186 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `implicit_convert_into` (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<u128, Infallible>
[INFO] [stdout]    --> src/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 | / implicit_convert_into!(
[INFO] [stdout] 188 | |     into: u128,
[INFO] [stdout] 189 | |     from_signed: i128,
[INFO] [stdout] 190 | |     try_narrowing: [],
[INFO] [stdout] ...   |
[INFO] [stdout] 194 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 195 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `implicit_convert_into` (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<i16, Infallible>
[INFO] [stdout]    --> src/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 | / implicit_convert_into!(
[INFO] [stdout] 207 | |     into: i16,
[INFO] [stdout] 208 | |     from_unsigned: u16,
[INFO] [stdout] 209 | |     try_narrowing: [i32, i64, i128, u32, u64, u128],
[INFO] [stdout] ...   |
[INFO] [stdout] 214 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 215 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `implicit_convert_into` (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<i32, Infallible>
[INFO] [stdout]    --> src/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 216 | / implicit_convert_into!(
[INFO] [stdout] 217 | |     into: i32,
[INFO] [stdout] 218 | |     from_unsigned: u32,
[INFO] [stdout] 219 | |     try_narrowing: [ i64, i128, u64, u128],
[INFO] [stdout] ...   |
[INFO] [stdout] 223 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 224 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `implicit_convert_into` (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/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 | / implicit_convert_into!(
[INFO] [stdout] 226 | |     into: i64,
[INFO] [stdout] 227 | |     from_unsigned: u64,
[INFO] [stdout] 228 | |     try_narrowing: [i128, u128],
[INFO] [stdout] ...   |
[INFO] [stdout] 232 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 233 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `implicit_convert_into` (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/expression/conversion.rs:96:27
[INFO] [stdout]     |
[INFO] [stdout]  96 |                       match from.try_into(){
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 | / implicit_convert_into!(
[INFO] [stdout] 235 | |     into: i128,
[INFO] [stdout] 236 | |     from_unsigned: u128,
[INFO] [stdout] 237 | |     try_narrowing: [],
[INFO] [stdout] ...   |
[INFO] [stdout] 241 | |     asmstr: [AsmStr<'a>]
[INFO] [stdout] 242 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `implicit_convert_into` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `assembler` (lib) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "786d1da8d1b95e5e350b9012520ce05045f1a730bf3a4911695f9fc24ccba95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786d1da8d1b95e5e350b9012520ce05045f1a730bf3a4911695f9fc24ccba95e", kill_on_drop: false }`
[INFO] [stdout] 786d1da8d1b95e5e350b9012520ce05045f1a730bf3a4911695f9fc24ccba95e
