[INFO] cloning repository https://github.com/sondr3/kah
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sondr3/kah" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsondr3%2Fkah", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsondr3%2Fkah'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 232158728deb92adbc2d801c19d4ccb8bcac38a0
[INFO] checking sondr3/kah against try#742889a08e10036dc30b8a7308f2a2a15b706883 for pr-103450-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsondr3%2Fkah" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sondr3/kah on toolchain 742889a08e10036dc30b8a7308f2a2a15b706883
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+742889a08e10036dc30b8a7308f2a2a15b706883" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sondr3/kah
[INFO] finished tweaking git repo https://github.com/sondr3/kah
[INFO] tweaked toml for git repo https://github.com/sondr3/kah written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sondr3/kah already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+742889a08e10036dc30b8a7308f2a2a15b706883" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+742889a08e10036dc30b8a7308f2a2a15b706883" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06a45cf727bb8d661c14439cb72402839e7ba24fcffe3e3e3dae2512a7dc65d7
[INFO] running `Command { std: "docker" "start" "-a" "06a45cf727bb8d661c14439cb72402839e7ba24fcffe3e3e3dae2512a7dc65d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06a45cf727bb8d661c14439cb72402839e7ba24fcffe3e3e3dae2512a7dc65d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a45cf727bb8d661c14439cb72402839e7ba24fcffe3e3e3dae2512a7dc65d7", kill_on_drop: false }`
[INFO] [stdout] 06a45cf727bb8d661c14439cb72402839e7ba24fcffe3e3e3dae2512a7dc65d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+742889a08e10036dc30b8a7308f2a2a15b706883" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 551f7ef6c70bbc09573fad1214ff5cb2e3e88fb7343249153782864ca98d80fd
[INFO] running `Command { std: "docker" "start" "-a" "551f7ef6c70bbc09573fad1214ff5cb2e3e88fb7343249153782864ca98d80fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling tokio v1.0.2
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[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking tracing-core v0.1.17
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[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
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[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking phf v0.8.0
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[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking futures-io v0.3.12
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[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
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[INFO] [stderr]     Checking rand_chacha v0.3.0
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking directories v3.0.1
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[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
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[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]     Checking tempfile v3.2.0
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[INFO] [stderr]     Checking tokio-stream v0.1.2
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking tokio-util v0.6.2
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking zip v0.5.9
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking hyper v0.14.2
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking reqwest v0.11.0
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking select v0.5.0
[INFO] [stderr]     Checking kah v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `temp_dir` is never read
[INFO] [stdout]   --> src/test.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub(crate) struct Test {
[INFO] [stdout]    |                   ---- field in this struct
[INFO] [stdout] 9  |     pub(crate) problem: Problem,
[INFO] [stdout] 10 |     pub(crate) temp_dir: PathBuf,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Test` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `temp_dir` is never read
[INFO] [stdout]   --> src/test.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub(crate) struct Test {
[INFO] [stdout]    |                   ---- field in this struct
[INFO] [stdout] 9  |     pub(crate) problem: Problem,
[INFO] [stdout] 10 |     pub(crate) temp_dir: PathBuf,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Test` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 [unoptimized + debuginfo] target(s) in 27.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: tendril v0.4.1
[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" "551f7ef6c70bbc09573fad1214ff5cb2e3e88fb7343249153782864ca98d80fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551f7ef6c70bbc09573fad1214ff5cb2e3e88fb7343249153782864ca98d80fd", kill_on_drop: false }`
[INFO] [stdout] 551f7ef6c70bbc09573fad1214ff5cb2e3e88fb7343249153782864ca98d80fd