[INFO] fetching crate devicetree 0.1.1...
[INFO] checking devicetree-0.1.1 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate devicetree 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate devicetree 0.1.1 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate devicetree 0.1.1
[INFO] finished tweaking crates.io crate devicetree 0.1.1
[INFO] tweaked toml for crates.io crate devicetree 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a40e88aca96e47120ecc269f31d23f0ae56c59daa4ff3cbd5949b6bf024e962
[INFO] running `Command { std: "docker" "start" "-a" "3a40e88aca96e47120ecc269f31d23f0ae56c59daa4ff3cbd5949b6bf024e962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a40e88aca96e47120ecc269f31d23f0ae56c59daa4ff3cbd5949b6bf024e962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a40e88aca96e47120ecc269f31d23f0ae56c59daa4ff3cbd5949b6bf024e962", kill_on_drop: false }`
[INFO] [stdout] 3a40e88aca96e47120ecc269f31d23f0ae56c59daa4ff3cbd5949b6bf024e962
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00d89d90821b1b64226acebb2b850861db540d13579f4c5995e0174306cb9f9b
[INFO] running `Command { std: "docker" "start" "-a" "00d89d90821b1b64226acebb2b850861db540d13579f4c5995e0174306cb9f9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking devicetree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `vec::Vec`
[INFO] [stdout]  --> src/tree/node.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     vec::Vec,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error`, `info`
[INFO] [stdout]   --> src/tree/node.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     info,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     debug,
[INFO] [stdout] 14 |     error
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeviceTreeError`, `utils`
[INFO] [stdout]   --> src/tree/node.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::{DeviceTreeError, utils};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pairs`
[INFO] [stdout]   --> src/tree/node.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Pairs
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DeviceTreeError`
[INFO] [stdout]  --> src/tree/tree.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     DeviceTreeError
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prop::DeviceTreeProperty`
[INFO] [stdout]   --> src/tree/tree.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |     prop::DeviceTreeProperty
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::CPU_MAX_NUM`
[INFO] [stdout]   --> src/tree/tree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use super::CPU_MAX_NUM;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error`, `info`
[INFO] [stdout]  --> src/fdt/header.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     info,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     debug,
[INFO] [stdout] 4 |     error
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/fdt/parsing.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     error
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `cstr_from_bytes_until_nul` has been stable since 1.69.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(cstr_from_bytes_until_nul)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec::Vec`
[INFO] [stdout]  --> src/tree/node.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     vec::Vec,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error`, `info`
[INFO] [stdout]   --> src/tree/node.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     info,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     debug,
[INFO] [stdout] 14 |     error
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeviceTreeError`, `utils`
[INFO] [stdout]   --> src/tree/node.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::{DeviceTreeError, utils};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pairs`
[INFO] [stdout]   --> src/tree/node.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Pairs
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DeviceTreeError`
[INFO] [stdout]  --> src/tree/tree.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     DeviceTreeError
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prop::DeviceTreeProperty`
[INFO] [stdout]   --> src/tree/tree.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |     prop::DeviceTreeProperty
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::CPU_MAX_NUM`
[INFO] [stdout]   --> src/tree/tree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use super::CPU_MAX_NUM;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error`, `info`
[INFO] [stdout]  --> src/fdt/header.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     info,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     debug,
[INFO] [stdout] 4 |     error
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/fdt/parsing.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     error
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `cstr_from_bytes_until_nul` has been stable since 1.69.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(cstr_from_bytes_until_nul)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header` and `memory_reservation_block` are never read
[INFO] [stdout]   --> src/lib.rs:49:2
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct DeviceTreeBlob<'a> {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 49 |     header: FdtHeader,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 50 |     memory_reservation_block: Vec<FdtReserveEntry>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `off_dt_struct`, `off_dt_strings`, `off_mem_rsvmap`, `last_comp_version`, and `boot_cpuid_phys` are never read
[INFO] [stdout]   --> src/fdt/header.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct FdtHeader {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     off_dt_struct: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 27 |     /// The offset in bytes of the strings block from the beginning of the header.
[INFO] [stdout] 28 |     off_dt_strings: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     /// The offset in bytes of the memory reservation block from the beginning of the header.
[INFO] [stdout] 30 |     off_mem_rsvmap: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     last_comp_version: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     boot_cpuid_phys: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `variant_eq` is never used
[INFO] [stdout]   --> src/utils.rs:76:15
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) fn variant_eq<T>(a: &T, b: &T) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_strings_fmt` is never used
[INFO] [stdout]   --> src/utils.rs:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub(crate) fn vec_strings_fmt(v: &Vec<String>) -> String {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/tree/prop.rs:107:69
[INFO] [stdout]     |
[INFO] [stdout] 107 |             let s = utils::take_utf8_until_nul(&mut self.raw_value.as_slice().clone()).unwrap();
[INFO] [stdout]     |                                                                              ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `devicetree` (lib) due to 2 previous errors; 14 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `header` and `memory_reservation_block` are never read
[INFO] [stdout]   --> src/lib.rs:49:2
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct DeviceTreeBlob<'a> {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 49 |     header: FdtHeader,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 50 |     memory_reservation_block: Vec<FdtReserveEntry>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `off_dt_struct`, `off_dt_strings`, `off_mem_rsvmap`, `last_comp_version`, and `boot_cpuid_phys` are never read
[INFO] [stdout]   --> src/fdt/header.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct FdtHeader {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     off_dt_struct: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 27 |     /// The offset in bytes of the strings block from the beginning of the header.
[INFO] [stdout] 28 |     off_dt_strings: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     /// The offset in bytes of the memory reservation block from the beginning of the header.
[INFO] [stdout] 30 |     off_mem_rsvmap: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     last_comp_version: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     boot_cpuid_phys: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `variant_eq` is never used
[INFO] [stdout]   --> src/utils.rs:76:15
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) fn variant_eq<T>(a: &T, b: &T) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_strings_fmt` is never used
[INFO] [stdout]   --> src/utils.rs:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub(crate) fn vec_strings_fmt(v: &Vec<String>) -> String {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/tree/prop.rs:107:69
[INFO] [stdout]     |
[INFO] [stdout] 107 |             let s = utils::take_utf8_until_nul(&mut self.raw_value.as_slice().clone()).unwrap();
[INFO] [stdout]     |                                                                              ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `devicetree` (lib test) due to 2 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "00d89d90821b1b64226acebb2b850861db540d13579f4c5995e0174306cb9f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d89d90821b1b64226acebb2b850861db540d13579f4c5995e0174306cb9f9b", kill_on_drop: false }`
[INFO] [stdout] 00d89d90821b1b64226acebb2b850861db540d13579f4c5995e0174306cb9f9b