[INFO] cloning repository https://github.com/luxkatana/file-transfer-client-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luxkatana/file-transfer-client-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluxkatana%2Ffile-transfer-client-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluxkatana%2Ffile-transfer-client-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76a50c9543bec26ffa16c32c3d9e524628c3eb39
[INFO] checking luxkatana/file-transfer-client-in-rust against master#b92758a9aef1cef7b79e2b72c3d8ba113e547f89 for pr-124305-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluxkatana%2Ffile-transfer-client-in-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luxkatana/file-transfer-client-in-rust on toolchain b92758a9aef1cef7b79e2b72c3d8ba113e547f89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luxkatana/file-transfer-client-in-rust
[INFO] finished tweaking git repo https://github.com/luxkatana/file-transfer-client-in-rust
[INFO] tweaked toml for git repo https://github.com/luxkatana/file-transfer-client-in-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/luxkatana/file-transfer-client-in-rust 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" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "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-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bb52cbf6eb6041d8b489d246bc03c5f31c77870e4f6ba87acf738780986e702
[INFO] running `Command { std: "docker" "start" "-a" "0bb52cbf6eb6041d8b489d246bc03c5f31c77870e4f6ba87acf738780986e702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bb52cbf6eb6041d8b489d246bc03c5f31c77870e4f6ba87acf738780986e702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb52cbf6eb6041d8b489d246bc03c5f31c77870e4f6ba87acf738780986e702", kill_on_drop: false }`
[INFO] [stdout] 0bb52cbf6eb6041d8b489d246bc03c5f31c77870e4f6ba87acf738780986e702
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86e5c04ad0e6f03e6306ad12f4f2ab6dfbfaaa197bd819bfcfc8d25aaaaa4c48
[INFO] running `Command { std: "docker" "start" "-a" "86e5c04ad0e6f03e6306ad12f4f2ab6dfbfaaa197bd819bfcfc8d25aaaaa4c48", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking tcp-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.79s
[INFO] running `Command { std: "docker" "inspect" "86e5c04ad0e6f03e6306ad12f4f2ab6dfbfaaa197bd819bfcfc8d25aaaaa4c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e5c04ad0e6f03e6306ad12f4f2ab6dfbfaaa197bd819bfcfc8d25aaaaa4c48", kill_on_drop: false }`
[INFO] [stdout] 86e5c04ad0e6f03e6306ad12f4f2ab6dfbfaaa197bd819bfcfc8d25aaaaa4c48
[INFO] checking luxkatana/file-transfer-client-in-rust against try#c1a4c206c24587a392f3bf286bc2e2a61502d44b for pr-124305-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluxkatana%2Ffile-transfer-client-in-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luxkatana/file-transfer-client-in-rust on toolchain c1a4c206c24587a392f3bf286bc2e2a61502d44b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1a4c206c24587a392f3bf286bc2e2a61502d44b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luxkatana/file-transfer-client-in-rust
[INFO] finished tweaking git repo https://github.com/luxkatana/file-transfer-client-in-rust
[INFO] tweaked toml for git repo https://github.com/luxkatana/file-transfer-client-in-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/luxkatana/file-transfer-client-in-rust 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" "+c1a4c206c24587a392f3bf286bc2e2a61502d44b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+c1a4c206c24587a392f3bf286bc2e2a61502d44b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86059dff4ea748473b9bfbacb1f9877773bac929e0facd9d667d5bc602b1eaaf
[INFO] running `Command { std: "docker" "start" "-a" "86059dff4ea748473b9bfbacb1f9877773bac929e0facd9d667d5bc602b1eaaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86059dff4ea748473b9bfbacb1f9877773bac929e0facd9d667d5bc602b1eaaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86059dff4ea748473b9bfbacb1f9877773bac929e0facd9d667d5bc602b1eaaf", kill_on_drop: false }`
[INFO] [stdout] 86059dff4ea748473b9bfbacb1f9877773bac929e0facd9d667d5bc602b1eaaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+c1a4c206c24587a392f3bf286bc2e2a61502d44b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 777b9292d12a9a964ae70e58a9a788bcb4415a8207c8b884ce44f2bac69576c4
[INFO] running `Command { std: "docker" "start" "-a" "777b9292d12a9a964ae70e58a9a788bcb4415a8207c8b884ce44f2bac69576c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking tcp-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "777b9292d12a9a964ae70e58a9a788bcb4415a8207c8b884ce44f2bac69576c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "777b9292d12a9a964ae70e58a9a788bcb4415a8207c8b884ce44f2bac69576c4", kill_on_drop: false }`
[INFO] [stdout] 777b9292d12a9a964ae70e58a9a788bcb4415a8207c8b884ce44f2bac69576c4