[INFO] fetching crate serde_fs 0.2.0... [INFO] checking serde_fs-0.2.0 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325 [INFO] extracting crate serde_fs 0.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate serde_fs 0.2.0 on toolchain fc81ad22c453776de16acf9938976930cf8c9401 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde_fs 0.2.0 [INFO] finished tweaking crates.io crate serde_fs 0.2.0 [INFO] tweaked toml for crates.io crate serde_fs 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca1ae683cd41503fb2a544ca90066bcd8b2fcf0c827b8828a18aa6e4d0a9d60e [INFO] running `Command { std: "docker" "start" "-a" "ca1ae683cd41503fb2a544ca90066bcd8b2fcf0c827b8828a18aa6e4d0a9d60e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca1ae683cd41503fb2a544ca90066bcd8b2fcf0c827b8828a18aa6e4d0a9d60e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca1ae683cd41503fb2a544ca90066bcd8b2fcf0c827b8828a18aa6e4d0a9d60e", kill_on_drop: false }` [INFO] [stdout] ca1ae683cd41503fb2a544ca90066bcd8b2fcf0c827b8828a18aa6e4d0a9d60e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da48738f07be38b8cafb1acb8cdc8e1c34977175746df50c47b88fdbb9473379 [INFO] running `Command { std: "docker" "start" "-a" "da48738f07be38b8cafb1acb8cdc8e1c34977175746df50c47b88fdbb9473379", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling case v0.1.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking serde_bytes v0.10.5 [INFO] [stderr] Compiling derive-error v0.0.5 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking serde_fs v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/de.rs:323:14 [INFO] [stdout] | [INFO] [stdout] 323 | dir: Box>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/de.rs:323:14 [INFO] [stdout] | [INFO] [stdout] 323 | dir: Box>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.13s [INFO] running `Command { std: "docker" "inspect" "da48738f07be38b8cafb1acb8cdc8e1c34977175746df50c47b88fdbb9473379", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da48738f07be38b8cafb1acb8cdc8e1c34977175746df50c47b88fdbb9473379", kill_on_drop: false }` [INFO] [stdout] da48738f07be38b8cafb1acb8cdc8e1c34977175746df50c47b88fdbb9473379