[INFO] fetching crate tetsy-contract-address 0.6.1... [INFO] checking tetsy-contract-address-0.6.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate tetsy-contract-address 0.6.1 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate tetsy-contract-address 0.6.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tetsy-contract-address 0.6.1 [INFO] finished tweaking crates.io crate tetsy-contract-address 0.6.1 [INFO] tweaked toml for crates.io crate tetsy-contract-address 0.6.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 40 packages [INFO] [stderr] Adding arrayvec v0.5.2 (latest: v0.7.4) [INFO] [stderr] Adding bitvec v0.20.4 (latest: v1.0.1) [INFO] [stderr] Adding funty v1.1.0 (latest: v2.0.0) [INFO] [stderr] Adding radium v0.6.2 (latest: v1.1.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wyz v0.2.0 (latest: v0.6.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vapory-types v0.11.1 [INFO] [stderr] Downloaded vapbloom v0.11.1 [INFO] [stderr] Downloaded tetsy-keccak-hash v0.7.1 [INFO] [stderr] Downloaded tetsy-impl-rlp v0.3.1 [INFO] [stderr] Downloaded tetsy-rlp v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1aaaf531600f19107aaeef9feaae7b9afcd69b141f89ae1aba4997cda406c4ae [INFO] running `Command { std: "docker" "start" "-a" "1aaaf531600f19107aaeef9feaae7b9afcd69b141f89ae1aba4997cda406c4ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1aaaf531600f19107aaeef9feaae7b9afcd69b141f89ae1aba4997cda406c4ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1aaaf531600f19107aaeef9feaae7b9afcd69b141f89ae1aba4997cda406c4ae", kill_on_drop: false }` [INFO] [stdout] 1aaaf531600f19107aaeef9feaae7b9afcd69b141f89ae1aba4997cda406c4ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 960306218f8196f439bba52f774dba9663fdbd545c49b31e7a712f00cf567ecc [INFO] running `Command { std: "docker" "start" "-a" "960306218f8196f439bba52f774dba9663fdbd545c49b31e7a712f00cf567ecc", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling radium v0.6.2 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Checking rustc-hex v2.1.0 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking byte-slice-cast v1.2.2 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking bitvec v0.20.4 [INFO] [stderr] Checking tetsy-rlp v0.5.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking uint-crate v0.9.1 [INFO] [stderr] Checking tetsy-impl-rlp v0.3.1 [INFO] [stderr] Checking tetsy-fixed-hash v0.7.1 [INFO] [stderr] Checking tetsy-impl-serde v0.3.2 [INFO] [stderr] Checking tetsy-scale-codec v2.0.1 [INFO] [stderr] Checking vapbloom v0.11.1 [INFO] [stderr] Checking tetsy-impl-codec v0.5.1 [INFO] [stderr] Checking tetsy-primitive-types v0.9.1 [INFO] [stderr] Checking tetsy-keccak-hash v0.7.1 [INFO] [stderr] Checking vapory-types v0.11.1 [INFO] [stderr] Checking tetsy-contract-address v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:37:3 [INFO] [stdout] | [INFO] [stdout] 37 | &mut buffer[1..(1 + 20)].copy_from_slice(&sender[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 37 | let _ = &mut buffer[1..(1 + 20)].copy_from_slice(&sender[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:38:3 [INFO] [stdout] | [INFO] [stdout] 38 | &mut buffer[(1 + 20)..(1 + 20 + 32)].copy_from_slice(&salt[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 38 | let _ = &mut buffer[(1 + 20)..(1 + 20 + 32)].copy_from_slice(&salt[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:39:3 [INFO] [stdout] | [INFO] [stdout] 39 | &mut buffer[(1 + 20 + 32)..].copy_from_slice(&code_hash[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = &mut buffer[(1 + 20 + 32)..].copy_from_slice(&code_hash[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:49:3 [INFO] [stdout] | [INFO] [stdout] 49 | &mut buffer[..20].copy_from_slice(&sender[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = &mut buffer[..20].copy_from_slice(&sender[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:50:3 [INFO] [stdout] | [INFO] [stdout] 50 | &mut buffer[20..].copy_from_slice(&code_hash[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = &mut buffer[20..].copy_from_slice(&code_hash[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:37:3 [INFO] [stdout] | [INFO] [stdout] 37 | &mut buffer[1..(1 + 20)].copy_from_slice(&sender[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 37 | let _ = &mut buffer[1..(1 + 20)].copy_from_slice(&sender[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:38:3 [INFO] [stdout] | [INFO] [stdout] 38 | &mut buffer[(1 + 20)..(1 + 20 + 32)].copy_from_slice(&salt[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 38 | let _ = &mut buffer[(1 + 20)..(1 + 20 + 32)].copy_from_slice(&salt[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:39:3 [INFO] [stdout] | [INFO] [stdout] 39 | &mut buffer[(1 + 20 + 32)..].copy_from_slice(&code_hash[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = &mut buffer[(1 + 20 + 32)..].copy_from_slice(&code_hash[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:49:3 [INFO] [stdout] | [INFO] [stdout] 49 | &mut buffer[..20].copy_from_slice(&sender[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = &mut buffer[..20].copy_from_slice(&sender[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:50:3 [INFO] [stdout] | [INFO] [stdout] 50 | &mut buffer[20..].copy_from_slice(&code_hash[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = &mut buffer[20..].copy_from_slice(&code_hash[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.59s [INFO] running `Command { std: "docker" "inspect" "960306218f8196f439bba52f774dba9663fdbd545c49b31e7a712f00cf567ecc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "960306218f8196f439bba52f774dba9663fdbd545c49b31e7a712f00cf567ecc", kill_on_drop: false }` [INFO] [stdout] 960306218f8196f439bba52f774dba9663fdbd545c49b31e7a712f00cf567ecc