[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] checking jamarier/tweeproblems against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamarier%2Ftweeproblems" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jamarier/tweeproblems on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jamarier/tweeproblems 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 328e838cd31fb27b6cd26175d37081915af134d6407e8465f394103bbda2b8aa
[INFO] running `Command { std: "docker" "start" "-a" "328e838cd31fb27b6cd26175d37081915af134d6407e8465f394103bbda2b8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "328e838cd31fb27b6cd26175d37081915af134d6407e8465f394103bbda2b8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328e838cd31fb27b6cd26175d37081915af134d6407e8465f394103bbda2b8aa", kill_on_drop: false }`
[INFO] [stdout] 328e838cd31fb27b6cd26175d37081915af134d6407e8465f394103bbda2b8aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f381a75ddb13c6fce9d28364fbf7a4cd42cd5441e16aa4a7f38a81a266262c68
[INFO] running `Command { std: "docker" "start" "-a" "f381a75ddb13c6fce9d28364fbf7a4cd42cd5441e16aa4a7f38a81a266262c68", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling cityhash v0.1.1
[INFO] [stderr]     Checking 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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: struct `MathJax` is never constructed
[INFO] [stdout]  --> src/render_mathjax.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct MathJax {}
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MathJax` is never constructed
[INFO] [stdout]  --> src/render_mathjax.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct MathJax {}
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "f381a75ddb13c6fce9d28364fbf7a4cd42cd5441e16aa4a7f38a81a266262c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f381a75ddb13c6fce9d28364fbf7a4cd42cd5441e16aa4a7f38a81a266262c68", kill_on_drop: false }`
[INFO] [stdout] f381a75ddb13c6fce9d28364fbf7a4cd42cd5441e16aa4a7f38a81a266262c68
