[INFO] cloning repository https://github.com/In-line/ksm-regulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/In-line/ksm-regulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIn-line%2Fksm-regulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIn-line%2Fksm-regulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 832aa0b7c4ca988481070fc21430df2ff6c24183
[INFO] checking In-line/ksm-regulator against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIn-line%2Fksm-regulator" "/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/In-line/ksm-regulator 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] removed /workspace/builds/worker-7-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/In-line/ksm-regulator
[INFO] finished tweaking git repo https://github.com/In-line/ksm-regulator
[INFO] tweaked toml for git repo https://github.com/In-line/ksm-regulator written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/In-line/ksm-regulator 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]     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 version_check v0.9.2
[INFO] [stderr]   Downloaded sys-info v0.7.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.69
[INFO] [stderr]   Downloaded serde_test v0.8.23
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded async-io v1.3.1
[INFO] [stderr]   Downloaded slab v0.4.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.69
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.69
[INFO] [stderr]   Downloaded futures-channel v0.3.8
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.2
[INFO] [stderr]   Downloaded instant v0.1.9
[INFO] [stderr]   Downloaded anyhow v1.0.36
[INFO] [stderr]   Downloaded ctrlc v3.1.7
[INFO] [stderr]   Downloaded js-sys v0.3.46
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded bumpalo v3.4.0
[INFO] [stderr]   Downloaded web-sys v0.3.46
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.69
[INFO] [stderr]   Downloaded ordslice v0.3.0
[INFO] [stderr]   Downloaded serde_codegen v0.8.23
[INFO] [stderr]   Downloaded serde_derive v0.8.23
[INFO] [stderr]   Downloaded async-std v1.8.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.21
[INFO] [stderr]   Downloaded regex v1.4.2
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded async-ctrlc v1.2.0
[INFO] [stderr]   Downloaded async-attributes v1.1.1
[INFO] [stderr]   Downloaded async-global-executor v1.4.3
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[INFO] [stderr]   Downloaded nb-connect v1.0.2
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded async-process v1.0.1
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded async-channel v1.5.1
[INFO] [stderr]   Downloaded async-task v4.0.3
[INFO] [stderr]   Downloaded blocking v1.0.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]   Downloaded futures-core v0.3.8
[INFO] [stderr]   Downloaded pin-project v1.0.2
[INFO] [stderr]   Downloaded futures-util v0.3.8
[INFO] [stderr]   Downloaded syn v0.10.8
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded gloo-timers v0.2.1
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.19
[INFO] [stderr]   Downloaded futures-sink v0.3.8
[INFO] [stderr]   Downloaded futures-task v0.3.8
[INFO] [stderr]   Downloaded pin-project-internal v1.0.2
[INFO] [stderr]   Downloaded interpolation v0.2.0
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded linked-hash-map v0.3.0
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded serde-hjson v0.9.1
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded futures-io v0.3.8
[INFO] [stderr]   Downloaded futures v0.3.8
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded serde_codegen_internals v0.11.3
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded num-integer v0.1.44
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded stderrlog v0.5.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded cc v1.0.66
[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] 2c71a0610ea9a354f4cab6853affbc43c4321d218b85eabd5f04f902ecb137be
[INFO] running `Command { std: "docker" "start" "-a" "2c71a0610ea9a354f4cab6853affbc43c4321d218b85eabd5f04f902ecb137be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c71a0610ea9a354f4cab6853affbc43c4321d218b85eabd5f04f902ecb137be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c71a0610ea9a354f4cab6853affbc43c4321d218b85eabd5f04f902ecb137be", kill_on_drop: false }`
[INFO] [stdout] 2c71a0610ea9a354f4cab6853affbc43c4321d218b85eabd5f04f902ecb137be
[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] 2e94e427b42cb9d2eb33aaf0a9d98f444ba846195e3c5d4a7e5dcb6a992b210a
[INFO] running `Command { std: "docker" "start" "-a" "2e94e427b42cb9d2eb33aaf0a9d98f444ba846195e3c5d4a7e5dcb6a992b210a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking ordslice v0.3.0
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling sys-info v0.7.0
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]    Compiling serde_codegen v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking async-process v1.0.1
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v0.8.23
[INFO] [stderr]     Checking stderrlog v0.5.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking async-ctrlc v1.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking async-std v1.8.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking ksm-regulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]   --> src/main.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 | use std::cmp::{min, Ord};
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Ord` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]   --> src/main.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 | use std::cmp::{min, Ord};
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Ord` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.59s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.10.8
[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" "2e94e427b42cb9d2eb33aaf0a9d98f444ba846195e3c5d4a7e5dcb6a992b210a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e94e427b42cb9d2eb33aaf0a9d98f444ba846195e3c5d4a7e5dcb6a992b210a", kill_on_drop: false }`
[INFO] [stdout] 2e94e427b42cb9d2eb33aaf0a9d98f444ba846195e3c5d4a7e5dcb6a992b210a
[INFO] checking In-line/ksm-regulator against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIn-line%2Fksm-regulator" "/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/In-line/ksm-regulator 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] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/In-line/ksm-regulator
[INFO] finished tweaking git repo https://github.com/In-line/ksm-regulator
[INFO] tweaked toml for git repo https://github.com/In-line/ksm-regulator written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/In-line/ksm-regulator 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] [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-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] 9f9a8bc1b7851681d38db24b49efce96959ea77f73c2659e9d07388502c6578f
[INFO] running `Command { std: "docker" "start" "-a" "9f9a8bc1b7851681d38db24b49efce96959ea77f73c2659e9d07388502c6578f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f9a8bc1b7851681d38db24b49efce96959ea77f73c2659e9d07388502c6578f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f9a8bc1b7851681d38db24b49efce96959ea77f73c2659e9d07388502c6578f", kill_on_drop: false }`
[INFO] [stdout] 9f9a8bc1b7851681d38db24b49efce96959ea77f73c2659e9d07388502c6578f
[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] 623ebae2eae2a1c75bddf5acb50d44889e299a5f40a56c7efe8ac57130d6111d
[INFO] running `Command { std: "docker" "start" "-a" "623ebae2eae2a1c75bddf5acb50d44889e299a5f40a56c7efe8ac57130d6111d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking ordslice v0.3.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-lite-1.11.3/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::<F, _>(|_| unreachable!()).unwrap();
[INFO] [stdout]     |                                  ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking interpolation v0.2.0
[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]    Compiling sys-info v0.7.0
[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" "623ebae2eae2a1c75bddf5acb50d44889e299a5f40a56c7efe8ac57130d6111d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623ebae2eae2a1c75bddf5acb50d44889e299a5f40a56c7efe8ac57130d6111d", kill_on_drop: false }`
[INFO] [stdout] 623ebae2eae2a1c75bddf5acb50d44889e299a5f40a56c7efe8ac57130d6111d