[INFO] fetching crate etk-ops 0.3.0...
[INFO] checking etk-ops-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate etk-ops 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate etk-ops 0.3.0
[INFO] finished tweaking crates.io crate etk-ops 0.3.0
[INFO] tweaked toml for crates.io crate etk-ops 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate etk-ops 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding educe v0.4.23 (available: v0.6.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.12.0)
[INFO] [stderr]       Adding snafu v0.7.5 (available: v0.8.9)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.9.8)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 098724fed87f8ef81dbffae59555a4166b3db73349dd6f61cdc4b9c61751c73c
[INFO] running `Command { std: "docker" "start" "-a" "098724fed87f8ef81dbffae59555a4166b3db73349dd6f61cdc4b9c61751c73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "098724fed87f8ef81dbffae59555a4166b3db73349dd6f61cdc4b9c61751c73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "098724fed87f8ef81dbffae59555a4166b3db73349dd6f61cdc4b9c61751c73c", kill_on_drop: false }`
[INFO] [stdout] 098724fed87f8ef81dbffae59555a4166b3db73349dd6f61cdc4b9c61751c73c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3cff21304c1f822de24b157be8cef3c7223d5cdd31a126a12c5c66cd2a6605c8
[INFO] running `Command { std: "docker" "start" "-a" "3cff21304c1f822de24b157be8cef3c7223d5cdd31a126a12c5c66cd2a6605c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling doc-comment v0.3.4
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling enum-ordinalize v3.1.15
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]    Compiling educe v0.4.23
[INFO] [stderr]     Checking snafu v0.7.5
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling etk-ops v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<london::Op<()>, Infallible>
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/etk-ops-3f2d0b2fb693e74d/out/london.rs:1:542030
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...de_from_u8 () { for ii in 0 ..= u8 :: MAX { let parsed = Op :: try_from (ii) . unwrap () ; if ii == 0xfe { assert_eq ! (Op :: from (In...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<london::Op<()>, Infallible>
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/etk-ops-3f2d0b2fb693e74d/out/london.rs:1:542260
[INFO] [stdout]   |
[INFO] [stdout] 1 | ..._through_str () { for ii in 0 ..= u8 :: MAX { let spec = Op :: try_from (ii) . unwrap () ; let txt = spec . to_string () ; let parsed ...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<london::Op<()>, Infallible>
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/etk-ops-3f2d0b2fb693e74d/out/london.rs:1:542476
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...t] fn op_new () { for ii in 0 ..= u8 :: MAX { let spec = Op :: try_from (ii) . unwrap () ; let op = Op :: < [u8] > :: new (spec) ; if ...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<shanghai::Op<()>, Infallible>
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/etk-ops-3f2d0b2fb693e74d/out/shanghai.rs:1:541861
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...de_from_u8 () { for ii in 0 ..= u8 :: MAX { let parsed = Op :: try_from (ii) . unwrap () ; if ii == 0xfe { assert_eq ! (Op :: from (In...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<shanghai::Op<()>, Infallible>
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/etk-ops-3f2d0b2fb693e74d/out/shanghai.rs:1:542091
[INFO] [stdout]   |
[INFO] [stdout] 1 | ..._through_str () { for ii in 0 ..= u8 :: MAX { let spec = Op :: try_from (ii) . unwrap () ; let txt = spec . to_string () ; let parsed ...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<shanghai::Op<()>, Infallible>
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/etk-ops-3f2d0b2fb693e74d/out/shanghai.rs:1:542307
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...t] fn op_new () { for ii in 0 ..= u8 :: MAX { let spec = Op :: try_from (ii) . unwrap () ; let op = Op :: < [u8] > :: new (spec) ; if ...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `etk-ops` (lib test) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3cff21304c1f822de24b157be8cef3c7223d5cdd31a126a12c5c66cd2a6605c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cff21304c1f822de24b157be8cef3c7223d5cdd31a126a12c5c66cd2a6605c8", kill_on_drop: false }`
[INFO] [stdout] 3cff21304c1f822de24b157be8cef3c7223d5cdd31a126a12c5c66cd2a6605c8
