[INFO] fetching crate mkfs-ext2 0.1.0...
[INFO] testing mkfs-ext2-0.1.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate mkfs-ext2 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mkfs-ext2 0.1.0
[INFO] finished tweaking crates.io crate mkfs-ext2 0.1.0
[INFO] tweaked toml for crates.io crate mkfs-ext2 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkfs-ext2 0.1.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mkfs-filesystem v0.1.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 025b4babe7b88f120ad4437734db55034b890b7306e36781fc8b14657eae2629
[INFO] running `Command { std: "docker" "start" "-a" "025b4babe7b88f120ad4437734db55034b890b7306e36781fc8b14657eae2629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "025b4babe7b88f120ad4437734db55034b890b7306e36781fc8b14657eae2629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "025b4babe7b88f120ad4437734db55034b890b7306e36781fc8b14657eae2629", kill_on_drop: false }`
[INFO] [stdout] 025b4babe7b88f120ad4437734db55034b890b7306e36781fc8b14657eae2629
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af41cac1cdd2b14dd675939a899e04fefaffdb387c7de4d86af3cc580a0d300c
[INFO] running `Command { std: "docker" "start" "-a" "af41cac1cdd2b14dd675939a899e04fefaffdb387c7de4d86af3cc580a0d300c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mkfs-filesystem v0.1.0
[INFO] [stderr]    Compiling mkfs-ext2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `error_in_core` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(error_in_core)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ext2InodeAddress` is never constructed
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Ext2InodeAddress(NonZeroU32);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Ext2InodeAddress {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 19 |     pub fn new(n: u32) -> Option<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block_device` and `superblock` are never read
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Ext2Fs<T> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 25 |     block_device: T,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 26 |     superblock: Superblock,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "af41cac1cdd2b14dd675939a899e04fefaffdb387c7de4d86af3cc580a0d300c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af41cac1cdd2b14dd675939a899e04fefaffdb387c7de4d86af3cc580a0d300c", kill_on_drop: false }`
[INFO] [stdout] af41cac1cdd2b14dd675939a899e04fefaffdb387c7de4d86af3cc580a0d300c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe72129c27bd6993061857e1c51e0b756a7558f68339708bf7f4f8504c4223f6
[INFO] running `Command { std: "docker" "start" "-a" "fe72129c27bd6993061857e1c51e0b756a7558f68339708bf7f4f8504c4223f6", kill_on_drop: false }`
[INFO] [stdout] warning: the feature `error_in_core` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(error_in_core)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ext2InodeAddress` is never constructed
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Ext2InodeAddress(NonZeroU32);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Ext2InodeAddress {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 19 |     pub fn new(n: u32) -> Option<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block_device` and `superblock` are never read
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Ext2Fs<T> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 25 |     block_device: T,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 26 |     superblock: Superblock,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mkfs-ext2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `error_in_core` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(error_in_core)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ext2InodeAddress` is never constructed
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Ext2InodeAddress(NonZeroU32);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Ext2InodeAddress {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 19 |     pub fn new(n: u32) -> Option<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block_device` and `superblock` are never read
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Ext2Fs<T> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 25 |     block_device: T,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 26 |     superblock: Superblock,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "fe72129c27bd6993061857e1c51e0b756a7558f68339708bf7f4f8504c4223f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe72129c27bd6993061857e1c51e0b756a7558f68339708bf7f4f8504c4223f6", kill_on_drop: false }`
[INFO] [stdout] fe72129c27bd6993061857e1c51e0b756a7558f68339708bf7f4f8504c4223f6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cdfff6860917cac1e43cd7697857f6fbd4883c1c9a0b8a22efa85fd880be5032
[INFO] running `Command { std: "docker" "start" "-a" "cdfff6860917cac1e43cd7697857f6fbd4883c1c9a0b8a22efa85fd880be5032", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `error_in_core` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(error_in_core)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ext2InodeAddress` is never constructed
[INFO] [stderr]   --> src/lib.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct Ext2InodeAddress(NonZeroU32);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/lib.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl Ext2InodeAddress {
[INFO] [stderr]    | --------------------- associated function in this implementation
[INFO] [stderr] 19 |     pub fn new(n: u32) -> Option<Self> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `block_device` and `superblock` are never read
[INFO] [stderr]   --> src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Ext2Fs<T> {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 25 |     block_device: T,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 26 |     superblock: Superblock,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mkfs-ext2` (lib) generated 4 warnings
[INFO] [stderr] warning: `mkfs-ext2` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ext2-97db43dea2ba86c7)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test superblock::tests::test_read_u16_le_short ... ok
[INFO] [stdout] test superblock::tests::test_read_u32_le_short ... ok
[INFO] [stdout] test superblock::tests::test_read_u32_le ... ok
[INFO] [stdout] test superblock::tests::test_superblock_try_from ... ok
[INFO] [stdout] test superblock::tests::test_read_u16_le ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ext2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cdfff6860917cac1e43cd7697857f6fbd4883c1c9a0b8a22efa85fd880be5032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdfff6860917cac1e43cd7697857f6fbd4883c1c9a0b8a22efa85fd880be5032", kill_on_drop: false }`
[INFO] [stdout] cdfff6860917cac1e43cd7697857f6fbd4883c1c9a0b8a22efa85fd880be5032
