[INFO] fetching crate nanoq 0.10.0... [INFO] checking nanoq-0.10.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate nanoq 0.10.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate nanoq 0.10.0 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 nanoq 0.10.0 [INFO] finished tweaking crates.io crate nanoq 0.10.0 [INFO] tweaked toml for crates.io crate nanoq 0.10.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate nanoq 0.10.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded float-cmp v0.8.0 [INFO] [stderr] Downloaded tempfile v3.4.0 [INFO] [stderr] Downloaded termtree v0.2.4 [INFO] [stderr] Downloaded predicates-core v1.0.3 [INFO] [stderr] Downloaded predicates v2.1.1 [INFO] [stderr] Downloaded predicates-tree v1.0.5 [INFO] [stderr] Downloaded assert_cmd v2.0.4 [INFO] [stderr] Downloaded buf_redux v0.8.4 [INFO] [stderr] Downloaded needletail v0.4.1 [INFO] [stderr] Downloaded difference v2.0.0 [INFO] [stderr] Downloaded rustix v0.36.9 [INFO] [stderr] Downloaded libc v0.2.140 [INFO] [stderr] Downloaded lzma-sys v0.1.17 [INFO] [stderr] Downloaded xz2 v0.1.6 [INFO] [stderr] Downloaded niffler v2.4.0 [INFO] [stderr] Downloaded zstd v0.7.0+zstd.1.4.9 [INFO] [stderr] Downloaded io-lifetimes v1.0.6 [INFO] [stderr] Downloaded float_eq v0.6.1 [INFO] [stderr] Downloaded unindent v0.1.8 [INFO] [stderr] Downloaded zstd-sys v1.5.0+zstd.1.4.9 [INFO] [stderr] Downloaded indoc v1.0.4 [INFO] [stderr] Downloaded zstd-safe v3.1.0+zstd.1.4.9 [INFO] [stderr] Downloaded predicates v1.0.8 [INFO] [stderr] Downloaded bgzip v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cf8c305d9ffa647d4ddc975b6980a8f701cfbd0da633d3240af0c5f804f57ce5 [INFO] running `Command { std: "docker" "start" "-a" "cf8c305d9ffa647d4ddc975b6980a8f701cfbd0da633d3240af0c5f804f57ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf8c305d9ffa647d4ddc975b6980a8f701cfbd0da633d3240af0c5f804f57ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf8c305d9ffa647d4ddc975b6980a8f701cfbd0da633d3240af0c5f804f57ce5", kill_on_drop: false }` [INFO] [stdout] cf8c305d9ffa647d4ddc975b6980a8f701cfbd0da633d3240af0c5f804f57ce5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 874ed2eb96b60ec74202fc7b5a93d137c7dc34513a4680c50c37007007d5f243 [INFO] running `Command { std: "docker" "start" "-a" "874ed2eb96b60ec74202fc7b5a93d137c7dc34513a4680c50c37007007d5f243", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling syn v1.0.92 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling zstd-safe v3.1.0+zstd.1.4.9 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling io-lifetimes v1.0.6 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Checking miniz_oxide v0.5.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Compiling rustix v0.36.9 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling unindent v0.1.8 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking linux-raw-sys v0.1.4 [INFO] [stderr] Checking bytecount v0.6.2 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling indoc v1.0.4 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking float_eq v0.6.1 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking flate2 v1.0.23 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Compiling jobserver v0.1.24 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking assert_cmd v2.0.4 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Compiling zstd-sys v1.5.0+zstd.1.4.9 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Compiling lzma-sys v0.1.17 [INFO] [stderr] Checking xz2 v0.1.6 [INFO] [stderr] Checking tempfile v3.4.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking bzip2 v0.4.3 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Checking needletail v0.4.1 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking bgzip v0.2.1 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking zstd v0.7.0+zstd.1.4.9 [INFO] [stderr] Checking niffler v2.4.0 [INFO] [stderr] Checking nanoq v0.10.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.54s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "874ed2eb96b60ec74202fc7b5a93d137c7dc34513a4680c50c37007007d5f243", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "874ed2eb96b60ec74202fc7b5a93d137c7dc34513a4680c50c37007007d5f243", kill_on_drop: false }` [INFO] [stdout] 874ed2eb96b60ec74202fc7b5a93d137c7dc34513a4680c50c37007007d5f243 [INFO] checking nanoq-0.10.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate nanoq 0.10.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate nanoq 0.10.0 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 nanoq 0.10.0 [INFO] finished tweaking crates.io crate nanoq 0.10.0 [INFO] tweaked toml for crates.io crate nanoq 0.10.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate nanoq 0.10.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9c0fb12df8827149b91cca9451b0f5fc06c767c26b06d749092aab42e5294555 [INFO] running `Command { std: "docker" "start" "-a" "9c0fb12df8827149b91cca9451b0f5fc06c767c26b06d749092aab42e5294555", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9c0fb12df8827149b91cca9451b0f5fc06c767c26b06d749092aab42e5294555", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c0fb12df8827149b91cca9451b0f5fc06c767c26b06d749092aab42e5294555", kill_on_drop: false }` [INFO] [stdout] 9c0fb12df8827149b91cca9451b0f5fc06c767c26b06d749092aab42e5294555 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 31744bd7b5b0b88e42983d7445c382925b7e8dffe2602f342db89b6832fe12a5 [INFO] running `Command { std: "docker" "start" "-a" "31744bd7b5b0b88e42983d7445c382925b7e8dffe2602f342db89b6832fe12a5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling syn v1.0.92 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling zstd-safe v3.1.0+zstd.1.4.9 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling io-lifetimes v1.0.6 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking miniz_oxide v0.5.1 [INFO] [stderr] Compiling rustix v0.36.9 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking bytecount v0.6.2 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Compiling unindent v0.1.8 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking linux-raw-sys v0.1.4 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Compiling indoc v1.0.4 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking float_eq v0.6.1 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling jobserver v0.1.24 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Checking flate2 v1.0.23 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking assert_cmd v2.0.4 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Compiling zstd-sys v1.5.0+zstd.1.4.9 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Compiling lzma-sys v0.1.17 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Checking xz2 v0.1.6 [INFO] [stderr] Checking tempfile v3.4.0 [INFO] [stderr] Checking bzip2 v0.4.3 [INFO] [stderr] Checking needletail v0.4.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking bgzip v0.2.1 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking zstd v0.7.0+zstd.1.4.9 [INFO] [stderr] Checking niffler v2.4.0 [INFO] [stderr] Checking nanoq v0.10.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.42s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "31744bd7b5b0b88e42983d7445c382925b7e8dffe2602f342db89b6832fe12a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31744bd7b5b0b88e42983d7445c382925b7e8dffe2602f342db89b6832fe12a5", kill_on_drop: false }` [INFO] [stdout] 31744bd7b5b0b88e42983d7445c382925b7e8dffe2602f342db89b6832fe12a5