[INFO] fetching crate rs2-cache 0.3.0...
[INFO] checking rs2-cache-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate rs2-cache 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rs2-cache 0.3.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs2-cache 0.3.0
[INFO] finished tweaking crates.io crate rs2-cache 0.3.0
[INFO] tweaked toml for crates.io crate rs2-cache 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages
[INFO] [stderr]       Adding memmap2 v0.5.10 (latest: v0.9.4)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding osrs-bytes v0.3.0 (latest: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded osrs-bytes v0.3.0
[INFO] [stderr]   Downloaded lzma-rs v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22ed4b5dacb360b37e2c4bd8207fa821cc0a387010fb5edbaac5c079842db8fd
[INFO] running `Command { std: "docker" "start" "-a" "22ed4b5dacb360b37e2c4bd8207fa821cc0a387010fb5edbaac5c079842db8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22ed4b5dacb360b37e2c4bd8207fa821cc0a387010fb5edbaac5c079842db8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ed4b5dacb360b37e2c4bd8207fa821cc0a387010fb5edbaac5c079842db8fd", kill_on_drop: false }`
[INFO] [stdout] 22ed4b5dacb360b37e2c4bd8207fa821cc0a387010fb5edbaac5c079842db8fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c14671b4e50cbf890a8da8e42cebdc73b6579f3c7fc0f56fdf67d137a372378
[INFO] running `Command { std: "docker" "start" "-a" "4c14671b4e50cbf890a8da8e42cebdc73b6579f3c7fc0f56fdf67d137a372378", kill_on_drop: false }`
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking osrs-bytes v0.3.0
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking crc v3.0.1
[INFO] [stderr]     Checking lzma-rs v0.3.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking rs2-cache v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_dirty` is never used
[INFO] [stdout]   --> src/archive.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait Archive {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] 31 |     fn is_dirty(&self) -> bool;
[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: method `is_dirty` is never used
[INFO] [stdout]   --> src/archive.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait Archive {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] 31 |     fn is_dirty(&self) -> bool;
[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 3.33s
[INFO] running `Command { std: "docker" "inspect" "4c14671b4e50cbf890a8da8e42cebdc73b6579f3c7fc0f56fdf67d137a372378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c14671b4e50cbf890a8da8e42cebdc73b6579f3c7fc0f56fdf67d137a372378", kill_on_drop: false }`
[INFO] [stdout] 4c14671b4e50cbf890a8da8e42cebdc73b6579f3c7fc0f56fdf67d137a372378
[INFO] checking rs2-cache-0.3.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate rs2-cache 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate rs2-cache 0.3.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs2-cache 0.3.0
[INFO] finished tweaking crates.io crate rs2-cache 0.3.0
[INFO] tweaked toml for crates.io crate rs2-cache 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages
[INFO] [stderr]       Adding memmap2 v0.5.10 (latest: v0.9.4)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding osrs-bytes v0.3.0 (latest: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc4fe9495a095c0a91f7bebf611f5aebf00267490357a74e49cc3d3675a95b82
[INFO] running `Command { std: "docker" "start" "-a" "cc4fe9495a095c0a91f7bebf611f5aebf00267490357a74e49cc3d3675a95b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc4fe9495a095c0a91f7bebf611f5aebf00267490357a74e49cc3d3675a95b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc4fe9495a095c0a91f7bebf611f5aebf00267490357a74e49cc3d3675a95b82", kill_on_drop: false }`
[INFO] [stdout] cc4fe9495a095c0a91f7bebf611f5aebf00267490357a74e49cc3d3675a95b82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21f7340c85faedd357cfa870377b4d5be4cb6c0d5714d19b3b8e8716296c4ad2
[INFO] running `Command { std: "docker" "start" "-a" "21f7340c85faedd357cfa870377b4d5be4cb6c0d5714d19b3b8e8716296c4ad2", kill_on_drop: false }`
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking osrs-bytes v0.3.0
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking crc v3.0.1
[INFO] [stderr]     Checking lzma-rs v0.3.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking rs2-cache v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_dirty` is never used
[INFO] [stdout]   --> src/archive.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait Archive {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] 31 |     fn is_dirty(&self) -> bool;
[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: method `is_dirty` is never used
[INFO] [stdout]   --> src/archive.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait Archive {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] 31 |     fn is_dirty(&self) -> bool;
[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 2.06s
[INFO] running `Command { std: "docker" "inspect" "21f7340c85faedd357cfa870377b4d5be4cb6c0d5714d19b3b8e8716296c4ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f7340c85faedd357cfa870377b4d5be4cb6c0d5714d19b3b8e8716296c4ad2", kill_on_drop: false }`
[INFO] [stdout] 21f7340c85faedd357cfa870377b4d5be4cb6c0d5714d19b3b8e8716296c4ad2