[INFO] fetching crate mqttest 0.2.0... [INFO] checking mqttest-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate mqttest 0.2.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate mqttest 0.2.0 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 mqttest 0.2.0 [INFO] finished tweaking crates.io crate mqttest 0.2.0 [INFO] tweaked toml for crates.io crate mqttest 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate mqttest 0.2.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quote v1.0.3 [INFO] [stderr] Downloaded tokio-macros v0.2.5 [INFO] [stderr] Downloaded time-macros-impl v0.1.0 [INFO] [stderr] Downloaded num_cpus v1.12.0 [INFO] [stderr] Downloaded pin-project-lite v0.1.4 [INFO] [stderr] Downloaded proc-macro-error-attr v0.4.12 [INFO] [stderr] Downloaded pin-utils v0.1.0-alpha.4 [INFO] [stderr] Downloaded futures-macro v0.3.4 [INFO] [stderr] Downloaded winapi-util v0.1.4 [INFO] [stderr] Downloaded serde v1.0.106 [INFO] [stderr] Downloaded futures-util v0.3.4 [INFO] [stderr] Downloaded regex-syntax v0.6.17 [INFO] [stderr] Downloaded regex v1.3.6 [INFO] [stderr] Downloaded libc v0.2.68 [INFO] [stderr] Downloaded tokio v0.2.16 [INFO] [stderr] Downloaded bumpalo v3.2.1 [INFO] [stderr] Downloaded mqttrs v0.3.0 [INFO] [stderr] Downloaded base-x v0.2.6 [INFO] [stderr] Downloaded wasm-bindgen v0.2.60 [INFO] [stderr] Downloaded mio v0.6.21 [INFO] [stderr] Downloaded syn v1.0.17 [INFO] [stderr] Downloaded futures-executor v0.3.4 [INFO] [stderr] Downloaded futures-channel v0.3.4 [INFO] [stderr] Downloaded futures-io v0.3.4 [INFO] [stderr] Downloaded futures-task v0.3.4 [INFO] [stderr] Downloaded futures v0.3.4 [INFO] [stderr] Downloaded version_check v0.9.1 [INFO] [stderr] Downloaded proc-macro-error v0.4.12 [INFO] [stderr] Downloaded structopt-derive v0.4.5 [INFO] [stderr] Downloaded structopt v0.3.12 [INFO] [stderr] Downloaded serde_json v1.0.51 [INFO] [stderr] Downloaded time v0.2.9 [INFO] [stderr] Downloaded bytes v0.5.4 [INFO] [stderr] Downloaded rustversion v1.0.2 [INFO] [stderr] Downloaded itoa v0.4.5 [INFO] [stderr] Downloaded ryu v1.0.3 [INFO] [stderr] Downloaded serde_derive v1.0.106 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.60 [INFO] [stderr] Downloaded hermit-abi v0.1.10 [INFO] [stderr] Downloaded proc-macro-nested v0.1.4 [INFO] [stderr] Downloaded ppv-lite86 v0.2.6 [INFO] [stderr] Downloaded standback v0.2.2 [INFO] [stderr] Downloaded sha1 v0.6.0 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.60 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.60 [INFO] [stderr] Downloaded proc-macro-hack v0.5.15 [INFO] [stderr] Downloaded time-macros v0.1.0 [INFO] [stderr] Downloaded futures-sink v0.3.4 [INFO] [stderr] Downloaded fnv v1.0.6 [INFO] [stderr] Downloaded futures-core v0.3.4 [INFO] [stderr] Downloaded miow v0.2.1 [INFO] [stderr] Downloaded net2 v0.2.33 [INFO] [stderr] Downloaded mio-uds v0.6.7 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.60 [INFO] [stderr] Downloaded proc-macro2 v1.0.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5758c6779de77b1c88e4d2b002c637afe3a400680dd7dbe200a9ee44f133ccce [INFO] running `Command { std: "docker" "start" "-a" "5758c6779de77b1c88e4d2b002c637afe3a400680dd7dbe200a9ee44f133ccce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5758c6779de77b1c88e4d2b002c637afe3a400680dd7dbe200a9ee44f133ccce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5758c6779de77b1c88e4d2b002c637afe3a400680dd7dbe200a9ee44f133ccce", kill_on_drop: false }` [INFO] [stdout] 5758c6779de77b1c88e4d2b002c637afe3a400680dd7dbe200a9ee44f133ccce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 07a65447c33d5589da640263a4862564978cca2e04df6008bf272acf7ee4b32d [INFO] running `Command { std: "docker" "start" "-a" "07a65447c33d5589da640263a4862564978cca2e04df6008bf272acf7ee4b32d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rustversion v1.0.2 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling standback v0.2.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling time-macros-impl v0.1.0 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking time-macros v0.1.0 [INFO] [stderr] Checking tokio v0.2.16 [INFO] [stderr] Compiling time v0.2.9 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Compiling structopt-derive v0.4.5 [INFO] [stderr] Checking structopt v0.3.12 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking mqttrs v0.3.0 [INFO] [stderr] Checking serde_json v1.0.51 [INFO] [stderr] Checking mqttest v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.59s [INFO] running `Command { std: "docker" "inspect" "07a65447c33d5589da640263a4862564978cca2e04df6008bf272acf7ee4b32d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07a65447c33d5589da640263a4862564978cca2e04df6008bf272acf7ee4b32d", kill_on_drop: false }` [INFO] [stdout] 07a65447c33d5589da640263a4862564978cca2e04df6008bf272acf7ee4b32d [INFO] checking mqttest-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate mqttest 0.2.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate mqttest 0.2.0 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 mqttest 0.2.0 [INFO] finished tweaking crates.io crate mqttest 0.2.0 [INFO] tweaked toml for crates.io crate mqttest 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate mqttest 0.2.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4c3b7a21858151d7493306d558bde20125b27c157426a0ca0b454888f66f531b [INFO] running `Command { std: "docker" "start" "-a" "4c3b7a21858151d7493306d558bde20125b27c157426a0ca0b454888f66f531b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c3b7a21858151d7493306d558bde20125b27c157426a0ca0b454888f66f531b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c3b7a21858151d7493306d558bde20125b27c157426a0ca0b454888f66f531b", kill_on_drop: false }` [INFO] [stdout] 4c3b7a21858151d7493306d558bde20125b27c157426a0ca0b454888f66f531b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e5542fc8a788b21aded7d437125a6304ddb21cbe56d1cdda3a36cc557732d3a5 [INFO] running `Command { std: "docker" "start" "-a" "e5542fc8a788b21aded7d437125a6304ddb21cbe56d1cdda3a36cc557732d3a5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling rustversion v1.0.2 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling standback v0.2.2 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling time-macros-impl v0.1.0 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking tokio v0.2.16 [INFO] [stderr] Checking time-macros v0.1.0 [INFO] [stderr] Compiling structopt-derive v0.4.5 [INFO] [stderr] Compiling time v0.2.9 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking structopt v0.3.12 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking mqttrs v0.3.0 [INFO] [stderr] Checking serde_json v1.0.51 [INFO] [stderr] Checking mqttest v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.68s [INFO] running `Command { std: "docker" "inspect" "e5542fc8a788b21aded7d437125a6304ddb21cbe56d1cdda3a36cc557732d3a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5542fc8a788b21aded7d437125a6304ddb21cbe56d1cdda3a36cc557732d3a5", kill_on_drop: false }` [INFO] [stdout] e5542fc8a788b21aded7d437125a6304ddb21cbe56d1cdda3a36cc557732d3a5