[INFO] cloning repository https://github.com/anookinov-training-ground/rust-my-redis [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anookinov-training-ground/rust-my-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanookinov-training-ground%2Frust-my-redis", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanookinov-training-ground%2Frust-my-redis'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 409a62ed771ff1171ebd4437ce5e8c46db968deb [INFO] checking anookinov-training-ground/rust-my-redis against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanookinov-training-ground%2Frust-my-redis" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/anookinov-training-ground/rust-my-redis 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 git repo https://github.com/anookinov-training-ground/rust-my-redis [INFO] finished tweaking git repo https://github.com/anookinov-training-ground/rust-my-redis [INFO] tweaked toml for git repo https://github.com/anookinov-training-ground/rust-my-redis written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/anookinov-training-ground/rust-my-redis 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 mini-redis v0.4.1 [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] 6f27327b24bd4a50506ee6cfd98376971e4aced5fa7edf3f4bdca7a3bec76b80 [INFO] running `Command { std: "docker" "start" "-a" "6f27327b24bd4a50506ee6cfd98376971e4aced5fa7edf3f4bdca7a3bec76b80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f27327b24bd4a50506ee6cfd98376971e4aced5fa7edf3f4bdca7a3bec76b80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f27327b24bd4a50506ee6cfd98376971e4aced5fa7edf3f4bdca7a3bec76b80", kill_on_drop: false }` [INFO] [stdout] 6f27327b24bd4a50506ee6cfd98376971e4aced5fa7edf3f4bdca7a3bec76b80 [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] cce4e472428ebbeb9ebfeb69facd4f8031d99884c600d4ff09cc88b852bb58af [INFO] running `Command { std: "docker" "start" "-a" "cce4e472428ebbeb9ebfeb69facd4f8031d99884c600d4ff09cc88b852bb58af", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling libc v0.2.106 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling serde_json v1.0.69 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling tokio v1.13.0 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking atoi v0.3.3 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling tokio-macros v1.5.1 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Checking async-stream v0.3.2 [INFO] [stderr] Checking pin-project v1.0.8 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking tokio-stream v0.1.8 [INFO] [stderr] Checking mini-redis v0.4.1 [INFO] [stderr] Checking my-redis v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.78s [INFO] running `Command { std: "docker" "inspect" "cce4e472428ebbeb9ebfeb69facd4f8031d99884c600d4ff09cc88b852bb58af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cce4e472428ebbeb9ebfeb69facd4f8031d99884c600d4ff09cc88b852bb58af", kill_on_drop: false }` [INFO] [stdout] cce4e472428ebbeb9ebfeb69facd4f8031d99884c600d4ff09cc88b852bb58af [INFO] checking anookinov-training-ground/rust-my-redis against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanookinov-training-ground%2Frust-my-redis" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/anookinov-training-ground/rust-my-redis 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 git repo https://github.com/anookinov-training-ground/rust-my-redis [INFO] finished tweaking git repo https://github.com/anookinov-training-ground/rust-my-redis [INFO] tweaked toml for git repo https://github.com/anookinov-training-ground/rust-my-redis written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/anookinov-training-ground/rust-my-redis 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] 75485155dbe882ec6af1839a3568759adda33c8392e0765bbf0ae30cfa308b08 [INFO] running `Command { std: "docker" "start" "-a" "75485155dbe882ec6af1839a3568759adda33c8392e0765bbf0ae30cfa308b08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "75485155dbe882ec6af1839a3568759adda33c8392e0765bbf0ae30cfa308b08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75485155dbe882ec6af1839a3568759adda33c8392e0765bbf0ae30cfa308b08", kill_on_drop: false }` [INFO] [stdout] 75485155dbe882ec6af1839a3568759adda33c8392e0765bbf0ae30cfa308b08 [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] ecd087d272964d63125acd4858884bcd6ff3f453d1a1a6f509d8eac01862f87c [INFO] running `Command { std: "docker" "start" "-a" "ecd087d272964d63125acd4858884bcd6ff3f453d1a1a6f509d8eac01862f87c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling libc v0.2.106 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling serde_json v1.0.69 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling tokio v1.13.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking atoi v0.3.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling tokio-macros v1.5.1 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Checking async-stream v0.3.2 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking pin-project v1.0.8 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking tokio-stream v0.1.8 [INFO] [stderr] Checking mini-redis v0.4.1 [INFO] [stderr] Checking my-redis v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.21s [INFO] running `Command { std: "docker" "inspect" "ecd087d272964d63125acd4858884bcd6ff3f453d1a1a6f509d8eac01862f87c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecd087d272964d63125acd4858884bcd6ff3f453d1a1a6f509d8eac01862f87c", kill_on_drop: false }` [INFO] [stdout] ecd087d272964d63125acd4858884bcd6ff3f453d1a1a6f509d8eac01862f87c