[INFO] cloning repository https://github.com/snlansky/stu-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snlansky/stu-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnlansky%2Fstu-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnlansky%2Fstu-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cd58c050086bccc002343b8c6695c91deb29dd0
[INFO] testing snlansky/stu-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnlansky%2Fstu-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snlansky/stu-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/snlansky/stu-rust
[INFO] finished tweaking git repo https://github.com/snlansky/stu-rust
[INFO] tweaked toml for git repo https://github.com/snlansky/stu-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/snlansky/stu-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71c9575e9dd1b5986fb64e8600e605dcbf55a4e8fc5bd3df05192e94508c5053
[INFO] running `Command { std: "docker" "start" "-a" "71c9575e9dd1b5986fb64e8600e605dcbf55a4e8fc5bd3df05192e94508c5053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71c9575e9dd1b5986fb64e8600e605dcbf55a4e8fc5bd3df05192e94508c5053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c9575e9dd1b5986fb64e8600e605dcbf55a4e8fc5bd3df05192e94508c5053", kill_on_drop: false }`
[INFO] [stdout] 71c9575e9dd1b5986fb64e8600e605dcbf55a4e8fc5bd3df05192e94508c5053
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f7da41f8775e694851fdc9930b16db507cde587c3be47caf2725172889ed791
[INFO] running `Command { std: "docker" "start" "-a" "0f7da41f8775e694851fdc9930b16db507cde587c3be47caf2725172889ed791", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling sync_wrapper v0.1.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling stu v0.1.0 (/opt/rustwide/workdir/stu)
[INFO] [stderr]    Compiling instant v0.1.11
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> stu/src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let a = is_work1();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.4.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tower-http v0.1.1
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tower v0.4.8
[INFO] [stderr]    Compiling hyper v0.14.13
[INFO] [stderr]    Compiling axum v0.2.8
[INFO] [stderr]    Compiling http-server-axum v0.1.0 (/opt/rustwide/workdir/http-server-axum)
[INFO] [stdout] warning: unused import: `response::Html`
[INFO] [stdout]  --> http-server-axum/src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use axum::{handler::get, response::Html, Router};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.44s
[INFO] running `Command { std: "docker" "inspect" "0f7da41f8775e694851fdc9930b16db507cde587c3be47caf2725172889ed791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7da41f8775e694851fdc9930b16db507cde587c3be47caf2725172889ed791", kill_on_drop: false }`
[INFO] [stdout] 0f7da41f8775e694851fdc9930b16db507cde587c3be47caf2725172889ed791
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e39194ad76616036c0c17af110a772eb920f3bd47238766800e84d71c7c50d5
[INFO] running `Command { std: "docker" "start" "-a" "0e39194ad76616036c0c17af110a772eb920f3bd47238766800e84d71c7c50d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling stu v0.1.0 (/opt/rustwide/workdir/stu)
[INFO] [stderr]    Compiling http-server-axum v0.1.0 (/opt/rustwide/workdir/http-server-axum)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> stu/src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let a = is_work1();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `response::Html`
[INFO] [stdout]  --> http-server-axum/src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use axum::{handler::get, response::Html, Router};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[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 test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/http_server_axum-0047674d8fffb945)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/stu-6f0e59c10d2352ca)
[INFO] running `Command { std: "docker" "inspect" "0e39194ad76616036c0c17af110a772eb920f3bd47238766800e84d71c7c50d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e39194ad76616036c0c17af110a772eb920f3bd47238766800e84d71c7c50d5", kill_on_drop: false }`
[INFO] [stdout] 0e39194ad76616036c0c17af110a772eb920f3bd47238766800e84d71c7c50d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1439cf65f3eb7701b0ab21e171b60a4b9768853b77a1820bc3a3d11e3b6e4511
[INFO] running `Command { std: "docker" "start" "-a" "1439cf65f3eb7701b0ab21e171b60a4b9768853b77a1820bc3a3d11e3b6e4511", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> stu/src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let a = is_work1();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stu` (bin "stu" test) generated 1 warning
[INFO] [stderr] warning: unused import: `response::Html`
[INFO] [stderr]  --> http-server-axum/src/main.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use axum::{handler::get, response::Html, Router};
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `http-server-axum` (bin "http-server-axum" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/http_server_axum-0047674d8fffb945)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stu-6f0e59c10d2352ca)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1439cf65f3eb7701b0ab21e171b60a4b9768853b77a1820bc3a3d11e3b6e4511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1439cf65f3eb7701b0ab21e171b60a4b9768853b77a1820bc3a3d11e3b6e4511", kill_on_drop: false }`
[INFO] [stdout] 1439cf65f3eb7701b0ab21e171b60a4b9768853b77a1820bc3a3d11e3b6e4511