[INFO] fetching crate hayro-syntax 0.4.0...
[INFO] checking hayro-syntax-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate hayro-syntax 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate hayro-syntax 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hayro-syntax 0.4.0
[INFO] tweaked toml for crates.io crate hayro-syntax 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hayro-syntax 0.4.0 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 hayro-syntax 0.4.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 74fd86f4744edebe395e82ce149119224d27f7d4b57e1a975a327a8c3866a11c
[INFO] running `Command { std: "docker" "start" "-a" "74fd86f4744edebe395e82ce149119224d27f7d4b57e1a975a327a8c3866a11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74fd86f4744edebe395e82ce149119224d27f7d4b57e1a975a327a8c3866a11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74fd86f4744edebe395e82ce149119224d27f7d4b57e1a975a327a8c3866a11c", kill_on_drop: false }`
[INFO] [stdout] 74fd86f4744edebe395e82ce149119224d27f7d4b57e1a975a327a8c3866a11c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 95fdf2c5bce6ad8126737d83865f54ffe012e1d1900af943becf2db1b50c9c21
[INFO] running `Command { std: "docker" "start" "-a" "95fdf2c5bce6ad8126737d83865f54ffe012e1d1900af943becf2db1b50c9c21", kill_on_drop: false }`
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]     Checking md5 v0.8.0
[INFO] [stderr]     Checking kurbo v0.12.0
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking zune-jpeg v0.4.21
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking hayro-syntax v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/object/number.rs:138:35
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     .and_then(|n| n.try_into().ok())
[INFO] [stdout]     |                                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 | int_num!(i64);
[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 `int_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/object/number.rs:147:42
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     Object::Number(n) => n.as_i64().try_into().ok().ok_or(()),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 | int_num!(i64);
[INFO] [stdout]     | ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `int_num` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hayro-syntax` (lib) due to 2 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<i64, Infallible>
[INFO] [stdout]    --> src/object/number.rs:138:35
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     .and_then(|n| n.try_into().ok())
[INFO] [stdout]     |                                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 | int_num!(i64);
[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 `int_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/object/number.rs:147:42
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     Object::Number(n) => n.as_i64().try_into().ok().ok_or(()),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 | int_num!(i64);
[INFO] [stdout]     | ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `int_num` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hayro-syntax` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "95fdf2c5bce6ad8126737d83865f54ffe012e1d1900af943becf2db1b50c9c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95fdf2c5bce6ad8126737d83865f54ffe012e1d1900af943becf2db1b50c9c21", kill_on_drop: false }`
[INFO] [stdout] 95fdf2c5bce6ad8126737d83865f54ffe012e1d1900af943becf2db1b50c9c21