[INFO] cloning repository https://github.com/chenshuai2144/doctor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenshuai2144/doctor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenshuai2144%2Fdoctor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenshuai2144%2Fdoctor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7119c195907147f62355ec3b135bbee885e53b4c
[INFO] checking chenshuai2144/doctor/7119c195907147f62355ec3b135bbee885e53b4c against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenshuai2144%2Fdoctor" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chenshuai2144/doctor on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/chenshuai2144/doctor
[INFO] finished tweaking git repo https://github.com/chenshuai2144/doctor
[INFO] tweaked toml for git repo https://github.com/chenshuai2144/doctor written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chenshuai2144/doctor 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5efd00cf603468f902320f484c690cafceedf102716708fe4e273d0886645957
[INFO] running `Command { std: "docker" "start" "-a" "5efd00cf603468f902320f484c690cafceedf102716708fe4e273d0886645957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5efd00cf603468f902320f484c690cafceedf102716708fe4e273d0886645957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5efd00cf603468f902320f484c690cafceedf102716708fe4e273d0886645957", kill_on_drop: false }`
[INFO] [stdout] 5efd00cf603468f902320f484c690cafceedf102716708fe4e273d0886645957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b24eec259b9afa8edf158846062a60dcbe751287f07db98f9d08ec2424284db8
[INFO] running `Command { std: "docker" "start" "-a" "b24eec259b9afa8edf158846062a60dcbe751287f07db98f9d08ec2424284db8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking futures v0.1.31
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[INFO] [stderr]    Compiling slab v0.4.9
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[INFO] [stderr]     Checking rand_core v0.4.2
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[INFO] [stderr]    Compiling synstructure v0.12.6
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[INFO] [stderr]    Compiling parking_lot_core v0.9.9
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[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking smallvec v1.13.2
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[INFO] [stderr]     Checking failure v0.1.8
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[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling doctor v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling ctor v0.2.8
[INFO] [stderr]     Checking encoding_rs v0.8.34
[INFO] [stderr]    Compiling napi-derive-backend v1.0.65
[INFO] [stderr]     Checking base64 v0.10.1
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[INFO] [stderr]     Checking napi-sys v2.4.0
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[INFO] [stderr]     Checking exitfailure v0.5.1
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[INFO] [stderr]    Compiling napi-derive v2.16.3
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking git2 v0.14.4
[INFO] [stdout] warning: struct `ReadFileError` is never constructed
[INFO] [stdout]   --> src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct ReadFileError();
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[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: struct `ReadFileError` is never constructed
[INFO] [stdout]   --> src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct ReadFileError();
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "b24eec259b9afa8edf158846062a60dcbe751287f07db98f9d08ec2424284db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b24eec259b9afa8edf158846062a60dcbe751287f07db98f9d08ec2424284db8", kill_on_drop: false }`
[INFO] [stdout] b24eec259b9afa8edf158846062a60dcbe751287f07db98f9d08ec2424284db8