[INFO] fetching crate cargo-sysroot 0.8.1...
[INFO] checking cargo-sysroot-0.8.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate cargo-sysroot 0.8.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate cargo-sysroot 0.8.1
[INFO] finished tweaking crates.io crate cargo-sysroot 0.8.1
[INFO] tweaked toml for crates.io crate cargo-sysroot 0.8.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-sysroot 0.8.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-sysroot 0.8.1 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.6
[INFO] [stderr]   Downloaded cargo-toml2 v1.3.2
[INFO] [stderr]   Downloaded remove_dir_all v0.7.0
[INFO] [stderr]   Downloaded fs_extra v1.2.0
[INFO] [stderr]   Downloaded serde_derive v1.0.135
[INFO] [stderr]   Downloaded serde v1.0.135
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f6fb11729a5ef37a3ac373224c70cbee56203d9f343739f4e5aa38e8da63cf8
[INFO] running `Command { std: "docker" "start" "-a" "0f6fb11729a5ef37a3ac373224c70cbee56203d9f343739f4e5aa38e8da63cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f6fb11729a5ef37a3ac373224c70cbee56203d9f343739f4e5aa38e8da63cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6fb11729a5ef37a3ac373224c70cbee56203d9f343739f4e5aa38e8da63cf8", kill_on_drop: false }`
[INFO] [stdout] 0f6fb11729a5ef37a3ac373224c70cbee56203d9f343739f4e5aa38e8da63cf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e09cc783319d7d6bd6f2d1c97e0fc5d239ba3e4630d60fbc1072d29450cb6716
[INFO] running `Command { std: "docker" "start" "-a" "e09cc783319d7d6bd6f2d1c97e0fc5d239ba3e4630d60fbc1072d29450cb6716", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling serde v1.0.135
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.135
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking remove_dir_all v0.7.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking cargo-toml2 v1.3.2
[INFO] [stderr]     Checking cargo-sysroot v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `target_dir` is never read
[INFO] [stdout]   --> src/args.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Sysroot {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub target_dir: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sysroot` 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 `target_dir` is never read
[INFO] [stdout]   --> src/args.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Sysroot {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub target_dir: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sysroot` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0
[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" "e09cc783319d7d6bd6f2d1c97e0fc5d239ba3e4630d60fbc1072d29450cb6716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09cc783319d7d6bd6f2d1c97e0fc5d239ba3e4630d60fbc1072d29450cb6716", kill_on_drop: false }`
[INFO] [stdout] e09cc783319d7d6bd6f2d1c97e0fc5d239ba3e4630d60fbc1072d29450cb6716