[INFO] cloning repository https://github.com/Koxiaet/async-channel-benchmarks [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Koxiaet/async-channel-benchmarks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoxiaet%2Fasync-channel-benchmarks", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoxiaet%2Fasync-channel-benchmarks'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c56d553ea86856acb3b3b0ead210dec73b0f05a9 [INFO] checking Koxiaet/async-channel-benchmarks against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoxiaet%2Fasync-channel-benchmarks" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Koxiaet/async-channel-benchmarks on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Koxiaet/async-channel-benchmarks [INFO] finished tweaking git repo https://github.com/Koxiaet/async-channel-benchmarks [INFO] tweaked toml for git repo https://github.com/Koxiaet/async-channel-benchmarks written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Koxiaet/async-channel-benchmarks 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded criterion v0.3.3 [INFO] [stderr] Downloaded anyhow v1.0.35 [INFO] [stderr] Downloaded nanorand v0.5.1 [INFO] [stderr] Downloaded flume v0.10.0 [INFO] [stderr] Downloaded futures-lite v1.11.2 [INFO] [stderr] Downloaded plotters v0.2.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 633833ced9d124964f174818e852681227f81f1fa3429a9b24cf1ab7db08c8a2 [INFO] running `Command { std: "docker" "start" "-a" "633833ced9d124964f174818e852681227f81f1fa3429a9b24cf1ab7db08c8a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "633833ced9d124964f174818e852681227f81f1fa3429a9b24cf1ab7db08c8a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "633833ced9d124964f174818e852681227f81f1fa3429a9b24cf1ab7db08c8a2", kill_on_drop: false }` [INFO] [stdout] 633833ced9d124964f174818e852681227f81f1fa3429a9b24cf1ab7db08c8a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65d068d6f278324e9323ff7044a79f2e0d6bbb1c433e05b546f90cde5f7c5319 [INFO] running `Command { std: "docker" "start" "-a" "65d068d6f278324e9323ff7044a79f2e0d6bbb1c433e05b546f90cde5f7c5319", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling anyhow v1.0.35 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking spinning_top v0.2.2 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking nanorand v0.5.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Checking futures-lite v1.11.2 [INFO] [stderr] Checking flume v0.10.0 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking process v0.1.0 (/opt/rustwide/workdir/process) [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stderr] Checking async-channel-benchmarks v0.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.01s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "65d068d6f278324e9323ff7044a79f2e0d6bbb1c433e05b546f90cde5f7c5319", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65d068d6f278324e9323ff7044a79f2e0d6bbb1c433e05b546f90cde5f7c5319", kill_on_drop: false }` [INFO] [stdout] 65d068d6f278324e9323ff7044a79f2e0d6bbb1c433e05b546f90cde5f7c5319 [INFO] checking Koxiaet/async-channel-benchmarks against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoxiaet%2Fasync-channel-benchmarks" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Koxiaet/async-channel-benchmarks on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Koxiaet/async-channel-benchmarks [INFO] finished tweaking git repo https://github.com/Koxiaet/async-channel-benchmarks [INFO] tweaked toml for git repo https://github.com/Koxiaet/async-channel-benchmarks written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Koxiaet/async-channel-benchmarks 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef168f7431879da9efafde09f03791a368463d7af8b97e08a999c5b614a13366 [INFO] running `Command { std: "docker" "start" "-a" "ef168f7431879da9efafde09f03791a368463d7af8b97e08a999c5b614a13366", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef168f7431879da9efafde09f03791a368463d7af8b97e08a999c5b614a13366", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef168f7431879da9efafde09f03791a368463d7af8b97e08a999c5b614a13366", kill_on_drop: false }` [INFO] [stdout] ef168f7431879da9efafde09f03791a368463d7af8b97e08a999c5b614a13366 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] edd70116d8832edd94cc1badcef6264cc714f7e8776f4a0026d09d525d7e7a89 [INFO] running `Command { std: "docker" "start" "-a" "edd70116d8832edd94cc1badcef6264cc714f7e8776f4a0026d09d525d7e7a89", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Compiling anyhow v1.0.35 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking spinning_top v0.2.2 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking nanorand v0.5.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Checking futures-lite v1.11.2 [INFO] [stderr] Checking flume v0.10.0 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-lite-1.11.2/src/future.rs:469:27 [INFO] [stdout] | [INFO] [stdout] 469 | let t1 = res1.map_err(|_| unreachable!()).unwrap(); [INFO] [stdout] | ^^^^^^^ cannot infer type of the type parameter `F` declared on the method `map_err` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 469 | let t1 = res1.map_err::(|_| unreachable!()).unwrap(); [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `futures-lite` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "edd70116d8832edd94cc1badcef6264cc714f7e8776f4a0026d09d525d7e7a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edd70116d8832edd94cc1badcef6264cc714f7e8776f4a0026d09d525d7e7a89", kill_on_drop: false }` [INFO] [stdout] edd70116d8832edd94cc1badcef6264cc714f7e8776f4a0026d09d525d7e7a89