[INFO] fetching crate mqttrs 0.4.1... [INFO] checking mqttrs-0.4.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate mqttrs 0.4.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate mqttrs 0.4.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mqttrs 0.4.1 [INFO] finished tweaking crates.io crate mqttrs 0.4.1 [INFO] tweaked toml for crates.io crate mqttrs 0.4.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 56 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding hash32 v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding heapless v0.7.17 (latest: v0.8.0) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding proptest v0.10.1 (latest: v1.4.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_xorshift v0.2.0 (latest: v0.3.0) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7016849dcbc85c03414318d57ae29850c92f2660ab1fa10e6db11cfb9efcb60b [INFO] running `Command { std: "docker" "start" "-a" "7016849dcbc85c03414318d57ae29850c92f2660ab1fa10e6db11cfb9efcb60b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7016849dcbc85c03414318d57ae29850c92f2660ab1fa10e6db11cfb9efcb60b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7016849dcbc85c03414318d57ae29850c92f2660ab1fa10e6db11cfb9efcb60b", kill_on_drop: false }` [INFO] [stdout] 7016849dcbc85c03414318d57ae29850c92f2660ab1fa10e6db11cfb9efcb60b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 377f7145d0880aa6e30feebdef2041e8a24fdfa88446c97b2c5d8a30fc3a4ac8 [INFO] running `Command { std: "docker" "start" "-a" "377f7145d0880aa6e30feebdef2041e8a24fdfa88446c97b2c5d8a30fc3a4ac8", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_xorshift v0.2.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking mqttrs v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `bytes::BytesMut` [INFO] [stdout] --> src/encoder_test.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use bytes::BytesMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.36s [INFO] running `Command { std: "docker" "inspect" "377f7145d0880aa6e30feebdef2041e8a24fdfa88446c97b2c5d8a30fc3a4ac8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "377f7145d0880aa6e30feebdef2041e8a24fdfa88446c97b2c5d8a30fc3a4ac8", kill_on_drop: false }` [INFO] [stdout] 377f7145d0880aa6e30feebdef2041e8a24fdfa88446c97b2c5d8a30fc3a4ac8 [INFO] checking mqttrs-0.4.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate mqttrs 0.4.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate mqttrs 0.4.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mqttrs 0.4.1 [INFO] finished tweaking crates.io crate mqttrs 0.4.1 [INFO] tweaked toml for crates.io crate mqttrs 0.4.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 56 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding hash32 v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding heapless v0.7.17 (latest: v0.8.0) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding proptest v0.10.1 (latest: v1.4.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_xorshift v0.2.0 (latest: v0.3.0) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] addd233bd2f4b5addbc5a52296e19a594a735408bd6039412300334ed5ec245b [INFO] running `Command { std: "docker" "start" "-a" "addd233bd2f4b5addbc5a52296e19a594a735408bd6039412300334ed5ec245b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "addd233bd2f4b5addbc5a52296e19a594a735408bd6039412300334ed5ec245b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "addd233bd2f4b5addbc5a52296e19a594a735408bd6039412300334ed5ec245b", kill_on_drop: false }` [INFO] [stdout] addd233bd2f4b5addbc5a52296e19a594a735408bd6039412300334ed5ec245b [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 210db5fc2ff19be9cae8eff748d032f67a9f8e98da1501b570da944982d9ae9c [INFO] running `Command { std: "docker" "start" "-a" "210db5fc2ff19be9cae8eff748d032f67a9f8e98da1501b570da944982d9ae9c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_xorshift v0.2.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking proptest v0.10.1 [INFO] [stderr] Checking mqttrs v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `bytes::BytesMut` [INFO] [stdout] --> src/encoder_test.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use bytes::BytesMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.63s [INFO] running `Command { std: "docker" "inspect" "210db5fc2ff19be9cae8eff748d032f67a9f8e98da1501b570da944982d9ae9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "210db5fc2ff19be9cae8eff748d032f67a9f8e98da1501b570da944982d9ae9c", kill_on_drop: false }` [INFO] [stdout] 210db5fc2ff19be9cae8eff748d032f67a9f8e98da1501b570da944982d9ae9c