[INFO] fetching crate bmx 0.0.2...
[INFO] checking bmx-0.0.2 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate bmx 0.0.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bmx 0.0.2 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] started tweaking crates.io crate bmx 0.0.2
[INFO] finished tweaking crates.io crate bmx 0.0.2
[INFO] tweaked toml for crates.io crate bmx 0.0.2 written to /workspace/builds/worker-3-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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lexpr v0.2.7
[INFO] [stderr]   Downloaded lexpr-macros v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 78155e665bb053e84deb6389810b9d33936454919b0ef68c1cc17c4e5c5eb82c
[INFO] running `Command { std: "docker" "start" "-a" "78155e665bb053e84deb6389810b9d33936454919b0ef68c1cc17c4e5c5eb82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78155e665bb053e84deb6389810b9d33936454919b0ef68c1cc17c4e5c5eb82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78155e665bb053e84deb6389810b9d33936454919b0ef68c1cc17c4e5c5eb82c", kill_on_drop: false }`
[INFO] [stdout] 78155e665bb053e84deb6389810b9d33936454919b0ef68c1cc17c4e5c5eb82c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b4adadb75d87687591bcc829cca98304b85be38d981eed312191d3dbc1ca703a
[INFO] running `Command { std: "docker" "start" "-a" "b4adadb75d87687591bcc829cca98304b85be38d981eed312191d3dbc1ca703a", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexpr-macros v0.2.2
[INFO] [stderr]     Checking lexpr v0.2.7
[INFO] [stderr]     Checking bmx v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `root_id` and `branch_ids` are never read
[INFO] [stdout]    --> src/forest.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     NoSuchBranch {
[INFO] [stdout]     |     ------------ fields in this variant
[INFO] [stdout] 103 |         root_name: Ident,
[INFO] [stdout] 104 |         root_id: NodeId,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 105 |         branch_ids: Vec<usize>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InnerError` 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 `tree` is never read
[INFO] [stdout]    --> src/exec.rs:732:5
[INFO] [stdout]     |
[INFO] [stdout] 731 | pub struct BranchIter<'a> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 732 |     tree: &'a Tree,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BranchIter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `roots` is never read
[INFO] [stdout]    --> src/exec.rs:858:5
[INFO] [stdout]     |
[INFO] [stdout] 856 | pub struct PreparedRoot {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 857 |     root_id: ExecNodeId,
[INFO] [stdout] 858 |     roots: HashMap<NodeId, ExecNodeId>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PreparedRoot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `root_id` and `branch_ids` are never read
[INFO] [stdout]    --> src/forest.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     NoSuchBranch {
[INFO] [stdout]     |     ------------ fields in this variant
[INFO] [stdout] 103 |         root_name: Ident,
[INFO] [stdout] 104 |         root_id: NodeId,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 105 |         branch_ids: Vec<usize>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InnerError` 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 `tree` is never read
[INFO] [stdout]    --> src/exec.rs:732:5
[INFO] [stdout]     |
[INFO] [stdout] 731 | pub struct BranchIter<'a> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 732 |     tree: &'a Tree,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BranchIter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `roots` is never read
[INFO] [stdout]    --> src/exec.rs:858:5
[INFO] [stdout]     |
[INFO] [stdout] 856 | pub struct PreparedRoot {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 857 |     root_id: ExecNodeId,
[INFO] [stdout] 858 |     roots: HashMap<NodeId, ExecNodeId>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PreparedRoot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "b4adadb75d87687591bcc829cca98304b85be38d981eed312191d3dbc1ca703a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4adadb75d87687591bcc829cca98304b85be38d981eed312191d3dbc1ca703a", kill_on_drop: false }`
[INFO] [stdout] b4adadb75d87687591bcc829cca98304b85be38d981eed312191d3dbc1ca703a
[INFO] checking bmx-0.0.2 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate bmx 0.0.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate bmx 0.0.2 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] started tweaking crates.io crate bmx 0.0.2
[INFO] finished tweaking crates.io crate bmx 0.0.2
[INFO] tweaked toml for crates.io crate bmx 0.0.2 written to /workspace/builds/worker-3-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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3a434009ef9bf77f75d49a113a92c687ec82bc41e7cc96f6ee94f30f7bc4dc56
[INFO] running `Command { std: "docker" "start" "-a" "3a434009ef9bf77f75d49a113a92c687ec82bc41e7cc96f6ee94f30f7bc4dc56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a434009ef9bf77f75d49a113a92c687ec82bc41e7cc96f6ee94f30f7bc4dc56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a434009ef9bf77f75d49a113a92c687ec82bc41e7cc96f6ee94f30f7bc4dc56", kill_on_drop: false }`
[INFO] [stdout] 3a434009ef9bf77f75d49a113a92c687ec82bc41e7cc96f6ee94f30f7bc4dc56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 13c9253a238ad0b126da4a8bb84becb9d6a0187b16712e64716bca4725f4a85a
[INFO] running `Command { std: "docker" "start" "-a" "13c9253a238ad0b126da4a8bb84becb9d6a0187b16712e64716bca4725f4a85a", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexpr-macros v0.2.2
[INFO] [stderr]     Checking lexpr v0.2.7
[INFO] [stderr]     Checking bmx v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `root_id` and `branch_ids` are never read
[INFO] [stdout]    --> src/forest.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     NoSuchBranch {
[INFO] [stdout]     |     ------------ fields in this variant
[INFO] [stdout] 103 |         root_name: Ident,
[INFO] [stdout] 104 |         root_id: NodeId,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 105 |         branch_ids: Vec<usize>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InnerError` 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 `tree` is never read
[INFO] [stdout]    --> src/exec.rs:732:5
[INFO] [stdout]     |
[INFO] [stdout] 731 | pub struct BranchIter<'a> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 732 |     tree: &'a Tree,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BranchIter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `roots` is never read
[INFO] [stdout]    --> src/exec.rs:858:5
[INFO] [stdout]     |
[INFO] [stdout] 856 | pub struct PreparedRoot {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 857 |     root_id: ExecNodeId,
[INFO] [stdout] 858 |     roots: HashMap<NodeId, ExecNodeId>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PreparedRoot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `root_id` and `branch_ids` are never read
[INFO] [stdout]    --> src/forest.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     NoSuchBranch {
[INFO] [stdout]     |     ------------ fields in this variant
[INFO] [stdout] 103 |         root_name: Ident,
[INFO] [stdout] 104 |         root_id: NodeId,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 105 |         branch_ids: Vec<usize>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InnerError` 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 `tree` is never read
[INFO] [stdout]    --> src/exec.rs:732:5
[INFO] [stdout]     |
[INFO] [stdout] 731 | pub struct BranchIter<'a> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 732 |     tree: &'a Tree,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BranchIter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `roots` is never read
[INFO] [stdout]    --> src/exec.rs:858:5
[INFO] [stdout]     |
[INFO] [stdout] 856 | pub struct PreparedRoot {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 857 |     root_id: ExecNodeId,
[INFO] [stdout] 858 |     roots: HashMap<NodeId, ExecNodeId>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PreparedRoot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "13c9253a238ad0b126da4a8bb84becb9d6a0187b16712e64716bca4725f4a85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c9253a238ad0b126da4a8bb84becb9d6a0187b16712e64716bca4725f4a85a", kill_on_drop: false }`
[INFO] [stdout] 13c9253a238ad0b126da4a8bb84becb9d6a0187b16712e64716bca4725f4a85a