[INFO] fetching crate mkfs-ext2 0.1.0...
[INFO] testing mkfs-ext2-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate mkfs-ext2 0.1.0 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkfs-ext2 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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 mkfs-filesystem v0.1.0
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 750f5f49db0c5acc2eeb9d55c87ff4085e944bb487da6bd1ea86323e00ea2c00
[INFO] running `Command { std: "docker" "start" "-a" "750f5f49db0c5acc2eeb9d55c87ff4085e944bb487da6bd1ea86323e00ea2c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "750f5f49db0c5acc2eeb9d55c87ff4085e944bb487da6bd1ea86323e00ea2c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750f5f49db0c5acc2eeb9d55c87ff4085e944bb487da6bd1ea86323e00ea2c00", kill_on_drop: false }`
[INFO] [stdout] 750f5f49db0c5acc2eeb9d55c87ff4085e944bb487da6bd1ea86323e00ea2c00
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] bce655228587d616ebaa257dd6baef2409d1625d023fa5c781a906af26aa7426
[INFO] running `Command { std: "docker" "start" "-a" "bce655228587d616ebaa257dd6baef2409d1625d023fa5c781a906af26aa7426", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.9.1
[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: `Ext2InodeAddress` 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: 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 0.93s
[INFO] running `Command { std: "docker" "inspect" "bce655228587d616ebaa257dd6baef2409d1625d023fa5c781a906af26aa7426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce655228587d616ebaa257dd6baef2409d1625d023fa5c781a906af26aa7426", kill_on_drop: false }`
[INFO] [stdout] bce655228587d616ebaa257dd6baef2409d1625d023fa5c781a906af26aa7426
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b9deb4d32650e52367de32dc9bd3580f7d93f9a14e9a0342990798ddca2db34c
[INFO] running `Command { std: "docker" "start" "-a" "b9deb4d32650e52367de32dc9bd3580f7d93f9a14e9a0342990798ddca2db34c", kill_on_drop: false }`
[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: `Ext2InodeAddress` 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: 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] [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: `Ext2InodeAddress` 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: 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 1.13s
[INFO] running `Command { std: "docker" "inspect" "b9deb4d32650e52367de32dc9bd3580f7d93f9a14e9a0342990798ddca2db34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9deb4d32650e52367de32dc9bd3580f7d93f9a14e9a0342990798ddca2db34c", kill_on_drop: false }`
[INFO] [stdout] b9deb4d32650e52367de32dc9bd3580f7d93f9a14e9a0342990798ddca2db34c
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9484124d32acf2997d58f63cb1243cf6cefc473df6c5ad81fa4a708e6cec8060
[INFO] running `Command { std: "docker" "start" "-a" "9484124d32acf2997d58f63cb1243cf6cefc473df6c5ad81fa4a708e6cec8060", 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: `Ext2InodeAddress` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` 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 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ext2-59ff1fb223e747a1)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test superblock::tests::test_read_u16_le ... ok
[INFO] [stdout] test superblock::tests::test_read_u32_le ... ok
[INFO] [stdout] test superblock::tests::test_read_u32_le_short ... ok
[INFO] [stdout] test superblock::tests::test_superblock_try_from ... ok
[INFO] [stdout] test superblock::tests::test_read_u16_le_short ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9484124d32acf2997d58f63cb1243cf6cefc473df6c5ad81fa4a708e6cec8060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9484124d32acf2997d58f63cb1243cf6cefc473df6c5ad81fa4a708e6cec8060", kill_on_drop: false }`
[INFO] [stdout] 9484124d32acf2997d58f63cb1243cf6cefc473df6c5ad81fa4a708e6cec8060