[INFO] fetching crate wasper 0.1.3...
[INFO] checking wasper-0.1.3 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate wasper 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate wasper 0.1.3
[INFO] finished tweaking crates.io crate wasper 0.1.3
[INFO] tweaked toml for crates.io crate wasper 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasper 0.1.3 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wasper 0.1.3 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b3beb01c0f65a73c6b1c197e3661c38877869820cc9cf568d00fcac78396032
[INFO] running `Command { std: "docker" "start" "-a" "5b3beb01c0f65a73c6b1c197e3661c38877869820cc9cf568d00fcac78396032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b3beb01c0f65a73c6b1c197e3661c38877869820cc9cf568d00fcac78396032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3beb01c0f65a73c6b1c197e3661c38877869820cc9cf568d00fcac78396032", kill_on_drop: false }`
[INFO] [stdout] 5b3beb01c0f65a73c6b1c197e3661c38877869820cc9cf568d00fcac78396032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf2c1b59ed8efebfe650e2e5236c1df88962c5d73528b903edea8b6bed582833
[INFO] running `Command { std: "docker" "start" "-a" "cf2c1b59ed8efebfe650e2e5236c1df88962c5d73528b903edea8b6bed582833", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.181
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking opt_vec v0.1.2
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking wasm-encoder v0.31.1
[INFO] [stderr]     Checking wast v62.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.3.4
[INFO] [stderr]     Checking wasper v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Float` is never used
[INFO] [stdout]    --> src/exec/value.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub(crate) trait Float: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/exec/instr.rs:515:43
[INFO] [stdout]     |
[INFO] [stdout] 515 |             stack.cvtop(|v: f32| unsafe { core::mem::transmute::<f32, i32>(v) })
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 515 -             stack.cvtop(|v: f32| unsafe { core::mem::transmute::<f32, i32>(v) })
[INFO] [stdout] 515 +             stack.cvtop(|v: f32| unsafe { f32::to_bits(v).cast_signed() })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/exec/instr.rs:518:43
[INFO] [stdout]     |
[INFO] [stdout] 518 |             stack.cvtop(|v: f64| unsafe { core::mem::transmute::<f64, i64>(v) })
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 518 -             stack.cvtop(|v: f64| unsafe { core::mem::transmute::<f64, i64>(v) })
[INFO] [stdout] 518 +             stack.cvtop(|v: f64| unsafe { f64::to_bits(v).cast_signed() })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/exec/instr.rs:521:43
[INFO] [stdout]     |
[INFO] [stdout] 521 |             stack.cvtop(|v: i32| unsafe { core::mem::transmute::<i32, f32>(v) })
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 521 -             stack.cvtop(|v: i32| unsafe { core::mem::transmute::<i32, f32>(v) })
[INFO] [stdout] 521 +             stack.cvtop(|v: i32| unsafe { f32::from_bits(i32::cast_unsigned(v)) })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/exec/instr.rs:524:43
[INFO] [stdout]     |
[INFO] [stdout] 524 |             stack.cvtop(|v: i64| unsafe { core::mem::transmute::<i64, f64>(v) })
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 524 -             stack.cvtop(|v: i64| unsafe { core::mem::transmute::<i64, f64>(v) })
[INFO] [stdout] 524 +             stack.cvtop(|v: i64| unsafe { f64::from_bits(i64::cast_unsigned(v)) })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking wat v1.0.69
[INFO] [stdout] warning: trait `Float` is never used
[INFO] [stdout]    --> src/exec/value.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub(crate) trait Float: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/exec/instr.rs:515:43
[INFO] [stdout]     |
[INFO] [stdout] 515 |             stack.cvtop(|v: f32| unsafe { core::mem::transmute::<f32, i32>(v) })
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 515 -             stack.cvtop(|v: f32| unsafe { core::mem::transmute::<f32, i32>(v) })
[INFO] [stdout] 515 +             stack.cvtop(|v: f32| unsafe { f32::to_bits(v).cast_signed() })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/exec/instr.rs:518:43
[INFO] [stdout]     |
[INFO] [stdout] 518 |             stack.cvtop(|v: f64| unsafe { core::mem::transmute::<f64, i64>(v) })
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 518 -             stack.cvtop(|v: f64| unsafe { core::mem::transmute::<f64, i64>(v) })
[INFO] [stdout] 518 +             stack.cvtop(|v: f64| unsafe { f64::to_bits(v).cast_signed() })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/exec/instr.rs:521:43
[INFO] [stdout]     |
[INFO] [stdout] 521 |             stack.cvtop(|v: i32| unsafe { core::mem::transmute::<i32, f32>(v) })
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 521 -             stack.cvtop(|v: i32| unsafe { core::mem::transmute::<i32, f32>(v) })
[INFO] [stdout] 521 +             stack.cvtop(|v: i32| unsafe { f32::from_bits(i32::cast_unsigned(v)) })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/exec/instr.rs:524:43
[INFO] [stdout]     |
[INFO] [stdout] 524 |             stack.cvtop(|v: i64| unsafe { core::mem::transmute::<i64, f64>(v) })
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 524 -             stack.cvtop(|v: i64| unsafe { core::mem::transmute::<i64, f64>(v) })
[INFO] [stdout] 524 +             stack.cvtop(|v: i64| unsafe { f64::from_bits(i64::cast_unsigned(v)) })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `Command { std: "docker" "inspect" "cf2c1b59ed8efebfe650e2e5236c1df88962c5d73528b903edea8b6bed582833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf2c1b59ed8efebfe650e2e5236c1df88962c5d73528b903edea8b6bed582833", kill_on_drop: false }`
[INFO] [stdout] cf2c1b59ed8efebfe650e2e5236c1df88962c5d73528b903edea8b6bed582833