[INFO] fetching crate qscan 0.6.0... [INFO] checking qscan-0.6.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate qscan 0.6.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate qscan 0.6.0 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 qscan 0.6.0 [INFO] finished tweaking crates.io crate qscan 0.6.0 [INFO] tweaked toml for crates.io crate qscan 0.6.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate qscan 0.6.0 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 data-encoding v2.3.2 [INFO] [stderr] Downloaded pnet_macros_support v0.30.0 [INFO] [stderr] Downloaded pnet_packet v0.30.0 [INFO] [stderr] Downloaded surge-ping v0.7.0 [INFO] [stderr] Downloaded cidr-utils v0.5.7 [INFO] [stderr] Downloaded ipconfig v0.3.0 [INFO] [stderr] Downloaded pnet_macros v0.30.0 [INFO] [stderr] Downloaded pnet_base v0.30.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ef147da45b62b6096802d96dfd8cd0581b1ea7cad98231d1f7a623adffaf12ad [INFO] running `Command { std: "docker" "start" "-a" "ef147da45b62b6096802d96dfd8cd0581b1ea7cad98231d1f7a623adffaf12ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef147da45b62b6096802d96dfd8cd0581b1ea7cad98231d1f7a623adffaf12ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef147da45b62b6096802d96dfd8cd0581b1ea7cad98231d1f7a623adffaf12ad", kill_on_drop: false }` [INFO] [stdout] ef147da45b62b6096802d96dfd8cd0581b1ea7cad98231d1f7a623adffaf12ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8f5e053dba9bdbaf3ba4614fbb59959d2ecd3759c415464e7d407ae0114388d7 [INFO] running `Command { std: "docker" "start" "-a" "8f5e053dba9bdbaf3ba4614fbb59959d2ecd3759c415464e7d407ae0114388d7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling rustls v0.20.6 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling async-trait v0.1.56 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking pnet_base v0.30.0 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking tracing-core v0.1.27 [INFO] [stderr] Checking pnet_macros_support v0.30.0 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking data-encoding v2.3.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking ipnet v2.5.0 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking mio v0.8.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking rustls-pemfile v0.3.0 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking debug-helper v0.3.13 [INFO] [stderr] Checking resolv-conf v0.7.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Compiling regex v1.5.6 [INFO] [stderr] Checking cidr-utils v0.5.7 [INFO] [stderr] Checking webpki v0.22.0 [INFO] [stderr] Checking sct v0.7.0 [INFO] [stderr] Checking webpki-roots v0.22.3 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling tracing-attributes v0.1.21 [INFO] [stderr] Compiling pnet_macros v0.30.0 [INFO] [stderr] Compiling enum-as-inner v0.4.0 [INFO] [stderr] Checking tokio-rustls v0.23.4 [INFO] [stderr] Checking tracing v0.1.35 [INFO] [stderr] Checking pnet_packet v0.30.0 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking trust-dns-proto v0.21.2 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking surge-ping v0.7.0 [INFO] [stderr] Checking trust-dns-resolver v0.21.2 [INFO] [stderr] Checking qscan v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.56s [INFO] running `Command { std: "docker" "inspect" "8f5e053dba9bdbaf3ba4614fbb59959d2ecd3759c415464e7d407ae0114388d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f5e053dba9bdbaf3ba4614fbb59959d2ecd3759c415464e7d407ae0114388d7", kill_on_drop: false }` [INFO] [stdout] 8f5e053dba9bdbaf3ba4614fbb59959d2ecd3759c415464e7d407ae0114388d7 [INFO] checking qscan-0.6.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate qscan 0.6.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate qscan 0.6.0 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 qscan 0.6.0 [INFO] finished tweaking crates.io crate qscan 0.6.0 [INFO] tweaked toml for crates.io crate qscan 0.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate qscan 0.6.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8db3da4f538d45c7e2ccbba55a4972e6e70df33e4f20eb1952c86266198b6d39 [INFO] running `Command { std: "docker" "start" "-a" "8db3da4f538d45c7e2ccbba55a4972e6e70df33e4f20eb1952c86266198b6d39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8db3da4f538d45c7e2ccbba55a4972e6e70df33e4f20eb1952c86266198b6d39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8db3da4f538d45c7e2ccbba55a4972e6e70df33e4f20eb1952c86266198b6d39", kill_on_drop: false }` [INFO] [stdout] 8db3da4f538d45c7e2ccbba55a4972e6e70df33e4f20eb1952c86266198b6d39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] eae599bd0179a5d6c10df232499c76f73437639af08adbe641d60109a270ae39 [INFO] running `Command { std: "docker" "start" "-a" "eae599bd0179a5d6c10df232499c76f73437639af08adbe641d60109a270ae39", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rustls v0.20.6 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling async-trait v0.1.56 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking pnet_base v0.30.0 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking pnet_macros_support v0.30.0 [INFO] [stderr] Checking tracing-core v0.1.27 [INFO] [stderr] Checking ipnet v2.5.0 [INFO] [stderr] Checking data-encoding v2.3.2 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking rustls-pemfile v0.3.0 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.3 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking resolv-conf v0.7.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking debug-helper v0.3.13 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Compiling regex v1.5.6 [INFO] [stderr] Checking cidr-utils v0.5.7 [INFO] [stderr] Checking webpki v0.22.0 [INFO] [stderr] Checking sct v0.7.0 [INFO] [stderr] Checking webpki-roots v0.22.3 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling pnet_macros v0.30.0 [INFO] [stderr] Compiling enum-as-inner v0.4.0 [INFO] [stderr] Compiling tracing-attributes v0.1.21 [INFO] [stderr] Checking tokio-rustls v0.23.4 [INFO] [stderr] Checking pnet_packet v0.30.0 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking tracing v0.1.35 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking trust-dns-proto v0.21.2 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking surge-ping v0.7.0 [INFO] [stderr] Checking trust-dns-resolver v0.21.2 [INFO] [stderr] Checking qscan v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.26s [INFO] running `Command { std: "docker" "inspect" "eae599bd0179a5d6c10df232499c76f73437639af08adbe641d60109a270ae39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eae599bd0179a5d6c10df232499c76f73437639af08adbe641d60109a270ae39", kill_on_drop: false }` [INFO] [stdout] eae599bd0179a5d6c10df232499c76f73437639af08adbe641d60109a270ae39