[INFO] cloning repository https://github.com/Heusini/yams
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Heusini/yams" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeusini%2Fyams", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeusini%2Fyams'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50841916319b9698a28b5fa3c9933481b354f8d2
[INFO] checking Heusini/yams against try#7caa343c25a692951246ea2f0664520b9c3f46da for pr-95985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeusini%2Fyams" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Heusini/yams on toolchain 7caa343c25a692951246ea2f0664520b9c3f46da
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Heusini/yams
[INFO] finished tweaking git repo https://github.com/Heusini/yams
[INFO] tweaked toml for git repo https://github.com/Heusini/yams written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Heusini/yams already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7caa343c25a692951246ea2f0664520b9c3f46da" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dfa03975731b272396905e664b87e1afd05362f11b9f171882a8fe0ba1d5b73
[INFO] running `Command { std: "docker" "start" "-a" "3dfa03975731b272396905e664b87e1afd05362f11b9f171882a8fe0ba1d5b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dfa03975731b272396905e664b87e1afd05362f11b9f171882a8fe0ba1d5b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dfa03975731b272396905e664b87e1afd05362f11b9f171882a8fe0ba1d5b73", kill_on_drop: false }`
[INFO] [stdout] 3dfa03975731b272396905e664b87e1afd05362f11b9f171882a8fe0ba1d5b73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7caa343c25a692951246ea2f0664520b9c3f46da" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbb111b4521fb4eecda0522054a1afadd02552e0806405adc55e776c3ca17f8d
[INFO] running `Command { std: "docker" "start" "-a" "bbb111b4521fb4eecda0522054a1afadd02552e0806405adc55e776c3ca17f8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-sink v0.3.9
[INFO] [stderr]     Checking futures-core v0.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.121
[INFO] [stderr]     Checking pin-project-lite v0.2.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking futures-task v0.3.9
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling serde v1.0.121
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking futures-channel v0.3.9
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]     Checking futures-executor v0.3.9
[INFO] [stderr]     Checking futures v0.3.9
[INFO] [stderr]     Checking yams v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `command_hash`, `command_path` and `args` are never read
[INFO] [stdout]   --> src/config/util.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Command {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 13 |     command_hash: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 14 |     command_path: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 15 |     args: Vec<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Command` 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: fields `command_hash`, `command_path` and `args` are never read
[INFO] [stdout]   --> src/config/util.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Command {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 13 |     command_hash: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 14 |     command_path: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 15 |     args: Vec<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Command` 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.52s
[INFO] running `Command { std: "docker" "inspect" "bbb111b4521fb4eecda0522054a1afadd02552e0806405adc55e776c3ca17f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb111b4521fb4eecda0522054a1afadd02552e0806405adc55e776c3ca17f8d", kill_on_drop: false }`
[INFO] [stdout] bbb111b4521fb4eecda0522054a1afadd02552e0806405adc55e776c3ca17f8d