[INFO] cloning repository https://github.com/twitchyliquid64/nix-9p [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twitchyliquid64/nix-9p" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwitchyliquid64%2Fnix-9p", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwitchyliquid64%2Fnix-9p'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d6992810352fcc1ebde33004531d194029062cd1 [INFO] checking twitchyliquid64/nix-9p against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwitchyliquid64%2Fnix-9p" "/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/twitchyliquid64/nix-9p 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/twitchyliquid64/nix-9p [INFO] finished tweaking git repo https://github.com/twitchyliquid64/nix-9p [INFO] tweaked toml for git repo https://github.com/twitchyliquid64/nix-9p written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/twitchyliquid64/nix-9p 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 enum_primitive v0.1.1 [INFO] [stderr] Downloaded nibble_vec v0.1.0 [INFO] [stderr] Downloaded endian-type v0.1.2 [INFO] [stderr] Downloaded radix_trie 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] 721b36f207338f0e798f6347e6a3fc571bc222833d74f2a200c9f5515dcc3977 [INFO] running `Command { std: "docker" "start" "-a" "721b36f207338f0e798f6347e6a3fc571bc222833d74f2a200c9f5515dcc3977", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "721b36f207338f0e798f6347e6a3fc571bc222833d74f2a200c9f5515dcc3977", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "721b36f207338f0e798f6347e6a3fc571bc222833d74f2a200c9f5515dcc3977", kill_on_drop: false }` [INFO] [stdout] 721b36f207338f0e798f6347e6a3fc571bc222833d74f2a200c9f5515dcc3977 [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] d8a58719229e500bcd1fca8500e179eab0144e1364e66423e435653baedf3358 [INFO] running `Command { std: "docker" "start" "-a" "d8a58719229e500bcd1fca8500e179eab0144e1364e66423e435653baedf3358", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking filetime v0.2.15 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.16.1 [INFO] [stderr] Checking futures-executor v0.3.19 [INFO] [stderr] Checking futures v0.3.19 [INFO] [stderr] Checking tokio-stream v0.1.8 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking rust-9p v0.0.1 (/opt/rustwide/workdir/rust-9p) [INFO] [stderr] Checking nix-9p v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.43s [INFO] running `Command { std: "docker" "inspect" "d8a58719229e500bcd1fca8500e179eab0144e1364e66423e435653baedf3358", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8a58719229e500bcd1fca8500e179eab0144e1364e66423e435653baedf3358", kill_on_drop: false }` [INFO] [stdout] d8a58719229e500bcd1fca8500e179eab0144e1364e66423e435653baedf3358 [INFO] checking twitchyliquid64/nix-9p against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwitchyliquid64%2Fnix-9p" "/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/twitchyliquid64/nix-9p 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/twitchyliquid64/nix-9p [INFO] finished tweaking git repo https://github.com/twitchyliquid64/nix-9p [INFO] tweaked toml for git repo https://github.com/twitchyliquid64/nix-9p written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/twitchyliquid64/nix-9p 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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] d01b086c004d5b3ac9b1ec4575cdd6f4b2e4c6ee768e81396762d626f0f8cf15 [INFO] running `Command { std: "docker" "start" "-a" "d01b086c004d5b3ac9b1ec4575cdd6f4b2e4c6ee768e81396762d626f0f8cf15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d01b086c004d5b3ac9b1ec4575cdd6f4b2e4c6ee768e81396762d626f0f8cf15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d01b086c004d5b3ac9b1ec4575cdd6f4b2e4c6ee768e81396762d626f0f8cf15", kill_on_drop: false }` [INFO] [stdout] d01b086c004d5b3ac9b1ec4575cdd6f4b2e4c6ee768e81396762d626f0f8cf15 [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] f8453a5da644c094f77e7d25b61016ea06b2392d19bbc58d54c7e0879b438598 [INFO] running `Command { std: "docker" "start" "-a" "f8453a5da644c094f77e7d25b61016ea06b2392d19bbc58d54c7e0879b438598", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking filetime v0.2.15 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Checking tokio v1.16.1 [INFO] [stderr] Checking futures-executor v0.3.19 [INFO] [stderr] Checking futures v0.3.19 [INFO] [stderr] Checking tokio-stream v0.1.8 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking rust-9p v0.0.1 (/opt/rustwide/workdir/rust-9p) [INFO] [stderr] Checking nix-9p v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.19s [INFO] running `Command { std: "docker" "inspect" "f8453a5da644c094f77e7d25b61016ea06b2392d19bbc58d54c7e0879b438598", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8453a5da644c094f77e7d25b61016ea06b2392d19bbc58d54c7e0879b438598", kill_on_drop: false }` [INFO] [stdout] f8453a5da644c094f77e7d25b61016ea06b2392d19bbc58d54c7e0879b438598