[INFO] fetching crate vtracker 1.0.0...
[INFO] checking vtracker-1.0.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate vtracker 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate vtracker 1.0.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate vtracker 1.0.0
[INFO] finished tweaking crates.io crate vtracker 1.0.0
[INFO] tweaked toml for crates.io crate vtracker 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c576896dc9a45850fd89118f63e9295145d56cc465c41c70176887ca42d24fe3
[INFO] running `Command { std: "docker" "start" "-a" "c576896dc9a45850fd89118f63e9295145d56cc465c41c70176887ca42d24fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c576896dc9a45850fd89118f63e9295145d56cc465c41c70176887ca42d24fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c576896dc9a45850fd89118f63e9295145d56cc465c41c70176887ca42d24fe3", kill_on_drop: false }`
[INFO] [stdout] c576896dc9a45850fd89118f63e9295145d56cc465c41c70176887ca42d24fe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 621cb876d2b605b1a7a51107b0d4297e534bfb8225c084fbfc597ebabaa638b6
[INFO] running `Command { std: "docker" "start" "-a" "621cb876d2b605b1a7a51107b0d4297e534bfb8225c084fbfc597ebabaa638b6", kill_on_drop: false }`
[INFO] [stderr]     Checking vtracker v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_init_v_tracker` is never used
[INFO] [stdout]    --> src/vtracker.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 | fn test_init_v_tracker() -> VTracker {
[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 0.23s
[INFO] running `Command { std: "docker" "inspect" "621cb876d2b605b1a7a51107b0d4297e534bfb8225c084fbfc597ebabaa638b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "621cb876d2b605b1a7a51107b0d4297e534bfb8225c084fbfc597ebabaa638b6", kill_on_drop: false }`
[INFO] [stdout] 621cb876d2b605b1a7a51107b0d4297e534bfb8225c084fbfc597ebabaa638b6
[INFO] checking vtracker-1.0.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate vtracker 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate vtracker 1.0.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate vtracker 1.0.0
[INFO] finished tweaking crates.io crate vtracker 1.0.0
[INFO] tweaked toml for crates.io crate vtracker 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b3d2a27f2043310ba6984f3a4630ba589c392ab2c774efd440871dfb8fae7a1
[INFO] running `Command { std: "docker" "start" "-a" "4b3d2a27f2043310ba6984f3a4630ba589c392ab2c774efd440871dfb8fae7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b3d2a27f2043310ba6984f3a4630ba589c392ab2c774efd440871dfb8fae7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3d2a27f2043310ba6984f3a4630ba589c392ab2c774efd440871dfb8fae7a1", kill_on_drop: false }`
[INFO] [stdout] 4b3d2a27f2043310ba6984f3a4630ba589c392ab2c774efd440871dfb8fae7a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3f525204293c140d7cad70a52c514092bf3214bff5a5a1fe0070aac40b4705e
[INFO] running `Command { std: "docker" "start" "-a" "b3f525204293c140d7cad70a52c514092bf3214bff5a5a1fe0070aac40b4705e", kill_on_drop: false }`
[INFO] [stderr]     Checking vtracker v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_init_v_tracker` is never used
[INFO] [stdout]    --> src/vtracker.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 | fn test_init_v_tracker() -> VTracker {
[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 0.20s
[INFO] running `Command { std: "docker" "inspect" "b3f525204293c140d7cad70a52c514092bf3214bff5a5a1fe0070aac40b4705e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3f525204293c140d7cad70a52c514092bf3214bff5a5a1fe0070aac40b4705e", kill_on_drop: false }`
[INFO] [stdout] b3f525204293c140d7cad70a52c514092bf3214bff5a5a1fe0070aac40b4705e