[INFO] fetching crate risky 0.2.3...
[INFO] checking risky-0.2.3 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate risky 0.2.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate risky 0.2.3 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate risky 0.2.3
[INFO] finished tweaking crates.io crate risky 0.2.3
[INFO] tweaked toml for crates.io crate risky 0.2.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c320582df24468f5841b1cca8696e3703883a7be9df2af62bff568aef9d1fe73
[INFO] running `"docker" "start" "-a" "c320582df24468f5841b1cca8696e3703883a7be9df2af62bff568aef9d1fe73"`
[INFO] [stderr]     Checking risky v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant item is never used: `LOAD_FP`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OP_IMM_32`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `STORE_FP`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `AMO`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OP_32`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MADD`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MSUB`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NMSUB`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NMADD`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OP_FP`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LOAD_FP`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OP_IMM_32`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `STORE_FP`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `AMO`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OP_32`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MADD`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MSUB`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NMSUB`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NMADD`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OP_FP`
[INFO] [stderr]    --> src/lib.rs:157:54
[INFO] [stderr]     |
[INFO] [stderr] 157 |           ($($name: ident $bits6to2: literal,)+) => ($(pub(crate) const $name: u8 = $bits6to2 << 2 | 0b11;)+)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     opcodes!(
[INFO] [stderr] 161 | |         LOAD       0b00000,
[INFO] [stderr] 162 | |         LOAD_FP    0b00001,
[INFO] [stderr] 163 | |         MISC_MEM   0b00011,
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |         SYSTEM     0b11100,
[INFO] [stderr] 185 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "c320582df24468f5841b1cca8696e3703883a7be9df2af62bff568aef9d1fe73"`
[INFO] running `"docker" "rm" "-f" "c320582df24468f5841b1cca8696e3703883a7be9df2af62bff568aef9d1fe73"`
[INFO] [stdout] c320582df24468f5841b1cca8696e3703883a7be9df2af62bff568aef9d1fe73