[INFO] fetching crate ffs 0.1.2... [INFO] checking ffs-0.1.2 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] extracting crate ffs 0.1.2 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate ffs 0.1.2 [INFO] finished tweaking crates.io crate ffs 0.1.2 [INFO] tweaked toml for crates.io crate ffs 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ffs 0.1.2 on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate ffs 0.1.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 86eb5b71f31c56c42bfd15e37fe0b0174eb99461f132115cbb31d8d128ce4529 [INFO] running `Command { std: "docker" "start" "-a" "86eb5b71f31c56c42bfd15e37fe0b0174eb99461f132115cbb31d8d128ce4529", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "86eb5b71f31c56c42bfd15e37fe0b0174eb99461f132115cbb31d8d128ce4529", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86eb5b71f31c56c42bfd15e37fe0b0174eb99461f132115cbb31d8d128ce4529", kill_on_drop: false }` [INFO] [stdout] 86eb5b71f31c56c42bfd15e37fe0b0174eb99461f132115cbb31d8d128ce4529 [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b3d03cf64d497432450d3e332d635115c2d22e0de966c5a49f13708e0d7c19f [INFO] running `Command { std: "docker" "start" "-a" "7b3d03cf64d497432450d3e332d635115c2d22e0de966c5a49f13708e0d7c19f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Compiling fuser v0.9.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking users v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking page_size v0.4.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling zerocopy-derive v0.3.0 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Checking zerocopy v0.5.0 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking tracing-subscriber v0.2.18 [INFO] [stderr] Checking ffs v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/format.rs:635:12 [INFO] [stdout] | [INFO] [stdout] 635 | Io(std::io::Error), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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] 635 - Io(std::io::Error), [INFO] [stdout] 635 + Io(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/format.rs:798:12 [INFO] [stdout] | [INFO] [stdout] 798 | Io(std::io::Error), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 798 - Io(std::io::Error), [INFO] [stdout] 798 + Io(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/fs.rs:106:17 [INFO] [stdout] | [INFO] [stdout] 106 | NoSuchInode(u64), [INFO] [stdout] | ----------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FSError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 106 - NoSuchInode(u64), [INFO] [stdout] 106 + NoSuchInode(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/fs.rs:107:18 [INFO] [stdout] | [INFO] [stdout] 107 | InvalidInode(u64), [INFO] [stdout] | ------------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FSError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 107 - InvalidInode(u64), [INFO] [stdout] 107 + InvalidInode(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/format.rs:635:12 [INFO] [stdout] | [INFO] [stdout] 635 | Io(std::io::Error), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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] 635 - Io(std::io::Error), [INFO] [stdout] 635 + Io(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/format.rs:798:12 [INFO] [stdout] | [INFO] [stdout] 798 | Io(std::io::Error), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 798 - Io(std::io::Error), [INFO] [stdout] 798 + Io(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/fs.rs:106:17 [INFO] [stdout] | [INFO] [stdout] 106 | NoSuchInode(u64), [INFO] [stdout] | ----------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FSError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 106 - NoSuchInode(u64), [INFO] [stdout] 106 + NoSuchInode(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/fs.rs:107:18 [INFO] [stdout] | [INFO] [stdout] 107 | InvalidInode(u64), [INFO] [stdout] | ------------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FSError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 107 - InvalidInode(u64), [INFO] [stdout] 107 + InvalidInode(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.38s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fuser v0.9.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 8` [INFO] running `Command { std: "docker" "inspect" "7b3d03cf64d497432450d3e332d635115c2d22e0de966c5a49f13708e0d7c19f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b3d03cf64d497432450d3e332d635115c2d22e0de966c5a49f13708e0d7c19f", kill_on_drop: false }` [INFO] [stdout] 7b3d03cf64d497432450d3e332d635115c2d22e0de966c5a49f13708e0d7c19f