[INFO] cloning repository https://github.com/krl/landfill
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krl/landfill" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrl%2Flandfill", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrl%2Flandfill'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44db95a13ee3dd063bf5e83ce3d22ea39d7d14a6
[INFO] checking krl/landfill against try#f3d95de532264a1215023baa665c0028aecf74b1 for pr-148477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrl%2Flandfill" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/krl/landfill
[INFO] finished tweaking git repo https://github.com/krl/landfill
[INFO] tweaked toml for git repo https://github.com/krl/landfill written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krl/landfill on toolchain f3d95de532264a1215023baa665c0028aecf74b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/krl/landfill 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" "+f3d95de532264a1215023baa665c0028aecf74b1" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking krl/landfill against try#f3d95de532264a1215023baa665c0028aecf74b1 for pr-148477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrl%2Flandfill" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/krl/landfill
[INFO] finished tweaking git repo https://github.com/krl/landfill
[INFO] tweaked toml for git repo https://github.com/krl/landfill written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krl/landfill on toolchain f3d95de532264a1215023baa665c0028aecf74b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/krl/landfill 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" "+f3d95de532264a1215023baa665c0028aecf74b1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempfile v3.6.0
[INFO] [stderr]   Downloaded blake3 v1.4.1
[INFO] [stderr]   Downloaded quote v1.0.31
[INFO] [stderr]   Downloaded memmap2 v0.7.1
[INFO] [stderr]   Downloaded rustix v0.37.22
[INFO] [stderr]   Downloaded syn v2.0.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60e65272798e335b92d165f66f86d3035d525111fe8f8fa72e7825414f1043e2
[INFO] running `Command { std: "docker" "start" "-a" "60e65272798e335b92d165f66f86d3035d525111fe8f8fa72e7825414f1043e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60e65272798e335b92d165f66f86d3035d525111fe8f8fa72e7825414f1043e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e65272798e335b92d165f66f86d3035d525111fe8f8fa72e7825414f1043e2", kill_on_drop: false }`
[INFO] [stdout] 60e65272798e335b92d165f66f86d3035d525111fe8f8fa72e7825414f1043e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36ac93bda167d7e8fd14d11c099fefba98653c7a8d6c51ffb81dcbc6ea1ee135
[INFO] running `Command { std: "docker" "start" "-a" "36ac93bda167d7e8fd14d11c099fefba98653c7a8d6c51ffb81dcbc6ea1ee135", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling rustix v0.37.22
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]    Compiling blake3 v1.4.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling bytemuck_derive v1.4.1
[INFO] [stderr]     Checking landfill v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/storage/entropy.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / /// A once-initialized file carrying pseudorandom data
[INFO] [stdout] 13 | | ///
[INFO] [stdout] 14 | | /// This can be used to have a persistant source of entropy, that will be
[INFO] [stdout] 15 | | /// the same each time the database is opened, but differ between databases
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | | #[derive(Clone, Copy, Zeroable, Pod, Debug)]
[INFO] [stdout] 20 | | pub struct Entropy([u64; 4]);
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/storage/entropy.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Entropy([u64; 4]);
[INFO] [stdout]    |            ^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/storage/entropy.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / /// A Tag that can be used to loosely identify this specific instantiation of
[INFO] [stdout] 23 | | /// entropy.
[INFO] [stdout] 24 | | #[repr(C)]
[INFO] [stdout] 25 | | #[derive(Clone, Copy, PartialEq, Eq, Zeroable, Pod)]
[INFO] [stdout] 26 | | pub struct Tag(u32);
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/storage/entropy.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Tag(u32);
[INFO] [stdout]    |            ^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/storage/journal.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / #[repr(C, packed)]
[INFO] [stdout] 17 | | struct JournalEntry<T> {
[INFO] [stdout] 18 | |     checksum: u64,
[INFO] [stdout] 19 | |     value: T,
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/structures/oncemap.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Entry {
[INFO] [stdout]    |        ^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/structures/oncemap.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / #[repr(C)]
[INFO] [stdout] 12 | | #[derive(Clone, Copy, Pod, Zeroable)]
[INFO] [stdout] 13 | | struct Entry {
[INFO] [stdout] 14 | |     k_ofs: u64,
[INFO] [stdout] 15 | |     v_ofs_relative: u32,
[INFO] [stdout] 16 | |     tag: u32,
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/structures/content.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Entry {
[INFO] [stdout]    |        ^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/structures/content.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / #[repr(C)]
[INFO] [stdout] 11 | | #[derive(Clone, Copy, Pod, Zeroable)]
[INFO] [stdout] 12 | | struct Entry {
[INFO] [stdout] 13 | |     ofs: u64,
[INFO] [stdout] 14 | |     len: u32,
[INFO] [stdout] 15 | |     tag: u32,
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/structures/content.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct ContentId([u8; 32]);
[INFO] [stdout]    |            ^^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/structures/content.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / #[repr(C)]
[INFO] [stdout] 19 | | #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Pod, Zeroable)]
[INFO] [stdout] 20 | | pub struct ContentId([u8; 32]);
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/storage/randomaccess.rs:66:16
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn get(&self, index: usize) -> Option<RandomAccessGuard<T>> {
[INFO] [stdout]    |                ^^^^^                          ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn get(&self, index: usize) -> Option<RandomAccessGuard<'_, T>> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/disk/mod.rs:307:19
[INFO] [stdout]     |
[INFO] [stdout] 307 |         unsafe { &(*self.map.get())[..] }
[INFO] [stdout]     |                   ^^--------------^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this raw pointer has type `*mut MmapMut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[u8]`
[INFO] [stdout]    --> src/disk/mod.rs:307:19
[INFO] [stdout]     |
[INFO] [stdout] 307 |         unsafe { &(*self.map.get())[..] }
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 307 |         unsafe { &(&(*self.map.get()))[..] }
[INFO] [stdout]     |                   ++                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `landfill` (lib) due to 1 previous error; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "36ac93bda167d7e8fd14d11c099fefba98653c7a8d6c51ffb81dcbc6ea1ee135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ac93bda167d7e8fd14d11c099fefba98653c7a8d6c51ffb81dcbc6ea1ee135", kill_on_drop: false }`
[INFO] [stdout] 36ac93bda167d7e8fd14d11c099fefba98653c7a8d6c51ffb81dcbc6ea1ee135
