[INFO] fetching crate mtree 0.5.0... [INFO] building mtree-0.5.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate mtree 0.5.0 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate mtree 0.5.0 [INFO] finished tweaking crates.io crate mtree 0.5.0 [INFO] tweaked toml for crates.io crate mtree 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mtree 0.5.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.9.4) [INFO] [stderr] Adding smallvec v0.6.14 (available: v1.15.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded newtype_array v0.1.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ae04a7c1e7742c1c49133c4f2d75005b9047934e701e28dcbb197cd40b7645c [INFO] running `Command { std: "docker" "start" "-a" "1ae04a7c1e7742c1c49133c4f2d75005b9047934e701e28dcbb197cd40b7645c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ae04a7c1e7742c1c49133c4f2d75005b9047934e701e28dcbb197cd40b7645c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ae04a7c1e7742c1c49133c4f2d75005b9047934e701e28dcbb197cd40b7645c", kill_on_drop: false }` [INFO] [stdout] 1ae04a7c1e7742c1c49133c4f2d75005b9047934e701e28dcbb197cd40b7645c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5e01c03a5da6b9b78005013aa081f62c1b2f66c83a10eac76b8325d77a020e6 [INFO] running `Command { std: "docker" "start" "-a" "b5e01c03a5da6b9b78005013aa081f62c1b2f66c83a10eac76b8325d77a020e6", kill_on_drop: false }` [INFO] [stderr] Compiling newtype_array v0.1.6 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling mtree v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parser.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | Comment(&'a [u8]), [INFO] [stdout] | ------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `MTreeLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 - Comment(&'a [u8]), [INFO] [stdout] 14 + Comment(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.93s [INFO] running `Command { std: "docker" "inspect" "b5e01c03a5da6b9b78005013aa081f62c1b2f66c83a10eac76b8325d77a020e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5e01c03a5da6b9b78005013aa081f62c1b2f66c83a10eac76b8325d77a020e6", kill_on_drop: false }` [INFO] [stdout] b5e01c03a5da6b9b78005013aa081f62c1b2f66c83a10eac76b8325d77a020e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a578d0374b25160a4f501ac3488a7e62e00628aa375b8ca17bb8207b96181bf4 [INFO] running `Command { std: "docker" "start" "-a" "a578d0374b25160a4f501ac3488a7e62e00628aa375b8ca17bb8207b96181bf4", kill_on_drop: false }` [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parser.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | Comment(&'a [u8]), [INFO] [stdout] | ------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `MTreeLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 - Comment(&'a [u8]), [INFO] [stdout] 14 + Comment(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mtree v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/read_mtree.rs:6:29 [INFO] [stdout] | [INFO] [stdout] 6 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 6 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parser.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | Comment(&'a [u8]), [INFO] [stdout] | ------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `MTreeLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 - Comment(&'a [u8]), [INFO] [stdout] 14 + Comment(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `Command { std: "docker" "inspect" "a578d0374b25160a4f501ac3488a7e62e00628aa375b8ca17bb8207b96181bf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a578d0374b25160a4f501ac3488a7e62e00628aa375b8ca17bb8207b96181bf4", kill_on_drop: false }` [INFO] [stdout] a578d0374b25160a4f501ac3488a7e62e00628aa375b8ca17bb8207b96181bf4