[INFO] cloning repository https://github.com/jamarier/tweeproblems
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamarier/tweeproblems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamarier%2Ftweeproblems", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamarier%2Ftweeproblems'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5fe20a6411d4feee07c291ea5d2cb06d62a93c8
[INFO] testing jamarier/tweeproblems against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamarier%2Ftweeproblems" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamarier/tweeproblems on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jamarier/tweeproblems
[INFO] finished tweaking git repo https://github.com/jamarier/tweeproblems
[INFO] tweaked toml for git repo https://github.com/jamarier/tweeproblems written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/jamarier/tweeproblems already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bindgen v0.49.4
[INFO] [stderr]   Downloaded cityhash v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c865bf4b387fc013215803c8aea1f4cd52b5fa1cad0900876f60850061925ad
[INFO] running `Command { std: "docker" "start" "-a" "8c865bf4b387fc013215803c8aea1f4cd52b5fa1cad0900876f60850061925ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c865bf4b387fc013215803c8aea1f4cd52b5fa1cad0900876f60850061925ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c865bf4b387fc013215803c8aea1f4cd52b5fa1cad0900876f60850061925ad", kill_on_drop: false }`
[INFO] [stdout] 8c865bf4b387fc013215803c8aea1f4cd52b5fa1cad0900876f60850061925ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 627f239ffb82c86161fe81f081cb1909f3ac4191d9c89c2ee832b15664ab8601
[INFO] running `Command { std: "docker" "start" "-a" "627f239ffb82c86161fe81f081cb1909f3ac4191d9c89c2ee832b15664ab8601", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling cityhash v0.1.1
[INFO] [stderr]    Compiling tweeproblems v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> src/render_mathjax.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::render_mathjax::MathJax`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::render_mathjax::MathJax;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.44s
[INFO] running `Command { std: "docker" "inspect" "627f239ffb82c86161fe81f081cb1909f3ac4191d9c89c2ee832b15664ab8601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "627f239ffb82c86161fe81f081cb1909f3ac4191d9c89c2ee832b15664ab8601", kill_on_drop: false }`
[INFO] [stdout] 627f239ffb82c86161fe81f081cb1909f3ac4191d9c89c2ee832b15664ab8601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 533f0653211ecfc7623d52899606f8a9c9a962b5d14a11f50b3fa39d7ab79cae
[INFO] running `Command { std: "docker" "start" "-a" "533f0653211ecfc7623d52899606f8a9c9a962b5d14a11f50b3fa39d7ab79cae", kill_on_drop: false }`
[INFO] [stderr]    Compiling tweeproblems v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> src/render_mathjax.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::render_mathjax::MathJax`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::render_mathjax::MathJax;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "533f0653211ecfc7623d52899606f8a9c9a962b5d14a11f50b3fa39d7ab79cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533f0653211ecfc7623d52899606f8a9c9a962b5d14a11f50b3fa39d7ab79cae", kill_on_drop: false }`
[INFO] [stdout] 533f0653211ecfc7623d52899606f8a9c9a962b5d14a11f50b3fa39d7ab79cae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb5c0374a26f9b53779ebe16c2552063bae0a266c3434e5b783d2b51cae3cc0a
[INFO] running `Command { std: "docker" "start" "-a" "eb5c0374a26f9b53779ebe16c2552063bae0a266c3434e5b783d2b51cae3cc0a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `uuid::Uuid`
[INFO] [stderr]  --> src/render_mathjax.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use uuid::Uuid;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::render_mathjax::MathJax`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use crate::render_mathjax::MathJax;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tweeproblems` (bin "tweeproblems" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tweeproblems-a9e8f3dd6362a587)
[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" "eb5c0374a26f9b53779ebe16c2552063bae0a266c3434e5b783d2b51cae3cc0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5c0374a26f9b53779ebe16c2552063bae0a266c3434e5b783d2b51cae3cc0a", kill_on_drop: false }`
[INFO] [stdout] eb5c0374a26f9b53779ebe16c2552063bae0a266c3434e5b783d2b51cae3cc0a