[INFO] fetching crate alox-48 0.6.0...
[INFO] testing alox-48-0.6.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate alox-48 0.6.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate alox-48 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate alox-48 0.6.0
[INFO] tweaked toml for crates.io crate alox-48 0.6.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate alox-48 0.6.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate alox-48 0.6.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alox-48-derive v0.3.2
[INFO] [stderr]   Downloaded pretty-hex v0.4.1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63d6105b7db392a29782b882d0b10d3aa2a8e1169d91e07e48e61ef3c549267d
[INFO] running `Command { std: "docker" "start" "-a" "63d6105b7db392a29782b882d0b10d3aa2a8e1169d91e07e48e61ef3c549267d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63d6105b7db392a29782b882d0b10d3aa2a8e1169d91e07e48e61ef3c549267d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d6105b7db392a29782b882d0b10d3aa2a8e1169d91e07e48e61ef3c549267d", kill_on_drop: false }`
[INFO] [stdout] 63d6105b7db392a29782b882d0b10d3aa2a8e1169d91e07e48e61ef3c549267d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f965fb07efa57a108cb8372f41836e5f1a4e09f3b3604c41b7dc6bee5237164
[INFO] running `Command { std: "docker" "start" "-a" "0f965fb07efa57a108cb8372f41836e5f1a4e09f3b3604c41b7dc6bee5237164", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling darling_core v0.20.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling darling_macro v0.20.9
[INFO] [stderr]    Compiling darling v0.20.9
[INFO] [stderr]    Compiling alox-48-derive v0.3.2
[INFO] [stderr]    Compiling alox-48 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `data` is never read
[INFO] [stdout]   --> src/value/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         data: RbString,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flags` is never read
[INFO] [stdout]   --> src/value/mod.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         flags: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `module` is never read
[INFO] [stdout]   --> src/value/mod.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         module: Symbol,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BytesVisitor` is never constructed
[INFO] [stdout]    --> src/rb_types/rb_string.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct BytesVisitor;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.52s
[INFO] running `Command { std: "docker" "inspect" "0f965fb07efa57a108cb8372f41836e5f1a4e09f3b3604c41b7dc6bee5237164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f965fb07efa57a108cb8372f41836e5f1a4e09f3b3604c41b7dc6bee5237164", kill_on_drop: false }`
[INFO] [stdout] 0f965fb07efa57a108cb8372f41836e5f1a4e09f3b3604c41b7dc6bee5237164
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b43d38854a0c96a4aeab9d73a56ea8ad36b74cb2a1432c74fa004fb1484ed032
[INFO] running `Command { std: "docker" "start" "-a" "b43d38854a0c96a4aeab9d73a56ea8ad36b74cb2a1432c74fa004fb1484ed032", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cc v1.0.98
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.3
[INFO] [stderr]    Compiling bytemuck v1.16.0
[INFO] [stderr]    Compiling pretty-hex v0.4.1
[INFO] [stdout] warning: value assigned to `data` is never read
[INFO] [stdout]   --> src/value/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         data: RbString,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flags` is never read
[INFO] [stdout]   --> src/value/mod.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         flags: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `module` is never read
[INFO] [stdout]   --> src/value/mod.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         module: Symbol,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BytesVisitor` is never constructed
[INFO] [stdout]    --> src/rb_types/rb_string.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct BytesVisitor;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling tracing-error v0.2.0
[INFO] [stderr]    Compiling color-spantrace v0.2.1
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling color-eyre v0.6.3
[INFO] [stderr]    Compiling alox-48 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]  --> examples/serialize.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Foo(String);
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `data` is never read
[INFO] [stdout]   --> src/value/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         data: RbString,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flags` is never read
[INFO] [stdout]   --> src/value/mod.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         flags: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `module` is never read
[INFO] [stdout]   --> src/value/mod.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         module: Symbol,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BytesVisitor` is never constructed
[INFO] [stdout]    --> src/rb_types/rb_string.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct BytesVisitor;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.28s
[INFO] running `Command { std: "docker" "inspect" "b43d38854a0c96a4aeab9d73a56ea8ad36b74cb2a1432c74fa004fb1484ed032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43d38854a0c96a4aeab9d73a56ea8ad36b74cb2a1432c74fa004fb1484ed032", kill_on_drop: false }`
[INFO] [stdout] b43d38854a0c96a4aeab9d73a56ea8ad36b74cb2a1432c74fa004fb1484ed032
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 31aa3ac1dde87e76c5814993cb48f096ababfc17b40d5618e43afdd25a3f86de
[INFO] running `Command { std: "docker" "start" "-a" "31aa3ac1dde87e76c5814993cb48f096ababfc17b40d5618e43afdd25a3f86de", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `data` is never read
[INFO] [stderr]   --> src/value/mod.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         data: RbString,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `flags` is never read
[INFO] [stderr]   --> src/value/mod.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         flags: u8,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `module` is never read
[INFO] [stderr]   --> src/value/mod.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         module: Symbol,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]   --> src/value/mod.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         value: Box<Value>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `class` is never read
[INFO] [stderr]   --> src/value/mod.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         class: Symbol,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]   --> src/value/mod.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         value: Box<Value>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `class` is never read
[INFO] [stderr]   --> src/value/mod.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         class: Symbol,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]   --> src/value/mod.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         value: Box<Value>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `class` is never read
[INFO] [stderr]   --> src/value/mod.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         class: Symbol,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]   --> src/value/mod.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         value: Box<Value>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BytesVisitor` is never constructed
[INFO] [stderr]    --> src/rb_types/rb_string.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 | struct BytesVisitor;
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `alox-48` (lib) generated 11 warnings
[INFO] [stderr] warning: `alox-48` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr] warning: struct `Foo` is never constructed
[INFO] [stderr]  --> examples/serialize.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Foo(String);
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `alox-48` (example "serialize") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/alox_48-5edeb7f00dc5a833)
[INFO] [stdout] 
[INFO] [stdout] running 42 tests
[INFO] [stdout] test floats::deserialize ... ok
[INFO] [stdout] test floats::round_trip ... ok
[INFO] [stdout] test floats::nan ... ok
[INFO] [stdout] test misc::symbol ... ok
[INFO] [stdout] test ints::negatives ... ok
[INFO] [stdout] test ints::deserialize ... ok
[INFO] [stdout] test ints::round_trip_value ... ok
[INFO] [stdout] test round_trip::array ... ok
[INFO] [stdout] test round_trip::bool ... ok
[INFO] [stdout] test misc::symlink ... ok
[INFO] [stdout] test round_trip::data ... ok
[INFO] [stdout] test round_trip::class ... ok
[INFO] [stdout] test floats::round_trip_nan ... ok
[INFO] [stdout] test round_trip::float ... ok
[INFO] [stdout] test arrays::round_trip ... ok
[INFO] [stdout] test round_trip::hash ... ok
[INFO] [stdout] test round_trip::integer ... ok
[INFO] [stdout] test round_trip::module ... ok
[INFO] [stdout] test round_trip::nil ... ok
[INFO] [stdout] test arrays::deserialize ... ok
[INFO] [stdout] test round_trip::object ... ok
[INFO] [stdout] test round_trip::rb_struct ... ok
[INFO] [stdout] test round_trip::regex ... ok
[INFO] [stdout] test round_trip::string ... ok
[INFO] [stdout] test round_trip::instance ... ok
[INFO] [stdout] test round_trip::user_class ... ok
[INFO] [stdout] test round_trip::user_marshal ... ok
[INFO] [stdout] test round_trip::userdata ... ok
[INFO] [stdout] test strings::deserialize ... ok
[INFO] [stdout] test strings::round_trip ... ok
[INFO] [stdout] test strings::weird_encoding ... ok
[INFO] [stdout] test strings::weird_encoding_round_trip ... ok
[INFO] [stdout] test ints::round_trip ... ok
[INFO] [stdout] test structs::deserialize_borrowed ... ok
[INFO] [stdout] test structs::deserialize_multi_borrowed ... ok
[INFO] [stdout] test structs::deserialize_multi_bounds ... ok
[INFO] [stdout] test structs::userdata ... ok
[INFO] [stdout] test round_trip::symbol ... ok
[INFO] [stdout] test value_test::untyped_ivar_string ... ok
[INFO] [stdout] test value_test::untyped_object ... ok
[INFO] [stdout] test value_test::untyped_to_borrowed ... ok
[INFO] [stdout] test value_test::untyped_ivar_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alox_48
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/value/mod.rs - value::to_value (line 137) ... ok
[INFO] [stdout] test src/value/mod.rs - value::from_value (line 102) ... ok
[INFO] [stdout] test src/rb_types/userdata.rs - rb_types::userdata::Userdata (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "31aa3ac1dde87e76c5814993cb48f096ababfc17b40d5618e43afdd25a3f86de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31aa3ac1dde87e76c5814993cb48f096ababfc17b40d5618e43afdd25a3f86de", kill_on_drop: false }`
[INFO] [stdout] 31aa3ac1dde87e76c5814993cb48f096ababfc17b40d5618e43afdd25a3f86de