[INFO] cloning repository https://github.com/exokernel/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/exokernel/my-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexokernel%2Fmy-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexokernel%2Fmy-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb21c8cd44cab255602bb3e4f055dceb2cffe754
[INFO] testing exokernel/my-redis against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexokernel%2Fmy-redis" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/exokernel/my-redis
[INFO] finished tweaking git repo https://github.com/exokernel/my-redis
[INFO] tweaked toml for git repo https://github.com/exokernel/my-redis written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/exokernel/my-redis on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/exokernel/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded async-stream-impl v0.3.3
[INFO] [stderr]   Downloaded tokio-stream v0.1.9
[INFO] [stderr]   Downloaded async-stream v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66bce2f154bc120d28ba7bb198ba2f3e9ef68b5e5a255c10506a80235d0f68b5
[INFO] running `Command { std: "docker" "start" "-a" "66bce2f154bc120d28ba7bb198ba2f3e9ef68b5e5a255c10506a80235d0f68b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66bce2f154bc120d28ba7bb198ba2f3e9ef68b5e5a255c10506a80235d0f68b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66bce2f154bc120d28ba7bb198ba2f3e9ef68b5e5a255c10506a80235d0f68b5", kill_on_drop: false }`
[INFO] [stdout] 66bce2f154bc120d28ba7bb198ba2f3e9ef68b5e5a255c10506a80235d0f68b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0d14aa9503e80f175d2b2e0ffe2569478a83675b38f376855567f497f3168c9
[INFO] running `Command { std: "docker" "start" "-a" "d0d14aa9503e80f175d2b2e0ffe2569478a83675b38f376855567f497f3168c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling tracing-core v0.1.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tokio v1.20.0
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling atoi v0.3.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling async-stream v0.3.3
[INFO] [stderr]    Compiling pin-project v1.0.11
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling tracing v0.1.35
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tokio-stream v0.1.9
[INFO] [stderr]    Compiling mini-redis v0.4.1
[INFO] [stderr]    Compiling my-redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.36s
[INFO] running `Command { std: "docker" "inspect" "d0d14aa9503e80f175d2b2e0ffe2569478a83675b38f376855567f497f3168c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d14aa9503e80f175d2b2e0ffe2569478a83675b38f376855567f497f3168c9", kill_on_drop: false }`
[INFO] [stdout] d0d14aa9503e80f175d2b2e0ffe2569478a83675b38f376855567f497f3168c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 170d578d719ff1a764ad966a68669114757e5a2ace47ff79553e92ac32c3b386
[INFO] running `Command { std: "docker" "start" "-a" "170d578d719ff1a764ad966a68669114757e5a2ace47ff79553e92ac32c3b386", kill_on_drop: false }`
[INFO] [stderr]    Compiling my-redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::frame`
[INFO] [stdout]  --> examples/connection.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::frame::{self, Frame};
[INFO] [stdout]   |            -----   ^^^^ no `frame` in the root
[INFO] [stdout]   |            |
[INFO] [stdout]   |            help: a similar name exists in the module (notice the capitalization): `Frame`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this module instead:
[INFO] [stdout]           mini_redis::frame
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Result` in the crate root
[INFO] [stdout]   --> examples/connection.rs:59:50
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub async fn read_frame(&mut self) -> crate::Result<Option<Frame>> {
[INFO] [stdout]    |                                                  ^^^^^^ not found in the crate root
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout]  1 + use crate::io::Result;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::fmt::Result;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::io::Result;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::result::Result;
[INFO] [stdout]    |
[INFO] [stdout]    = and 5 other candidates
[INFO] [stdout] help: if you import `Result`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 59 -     pub async fn read_frame(&mut self) -> crate::Result<Option<Frame>> {
[INFO] [stdout] 59 +     pub async fn read_frame(&mut self) -> Result<Option<Frame>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Result` in the crate root
[INFO] [stdout]   --> examples/connection.rs:90:41
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn parse_frame(&mut self) -> crate::Result<Option<Frame>> {
[INFO] [stdout]    |                                         ^^^^^^ not found in the crate root
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout]  1 + use crate::io::Result;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::fmt::Result;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::io::Result;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::result::Result;
[INFO] [stdout]    |
[INFO] [stdout]    = and 5 other candidates
[INFO] [stdout] help: if you import `Result`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 90 -     fn parse_frame(&mut self) -> crate::Result<Option<Frame>> {
[INFO] [stdout] 90 +     fn parse_frame(&mut self) -> Result<Option<Frame>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `connection`
[INFO] [stdout]    --> examples/connection.rs:239:2
[INFO] [stdout]     |
[INFO] [stdout] 239 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `examples/connection.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `my-redis` (example "connection") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "170d578d719ff1a764ad966a68669114757e5a2ace47ff79553e92ac32c3b386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170d578d719ff1a764ad966a68669114757e5a2ace47ff79553e92ac32c3b386", kill_on_drop: false }`
[INFO] [stdout] 170d578d719ff1a764ad966a68669114757e5a2ace47ff79553e92ac32c3b386