[INFO] fetching crate basehan 0.9.0...
[INFO] checking basehan-0.9.0 against 1.95.0 for pr-155915
[INFO] extracting crate basehan 0.9.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate basehan 0.9.0
[INFO] finished tweaking crates.io crate basehan 0.9.0
[INFO] tweaked toml for crates.io crate basehan 0.9.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate basehan 0.9.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate basehan 0.9.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded num-iter v0.1.44
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded os_str_bytes v6.3.0
[INFO] [stderr]   Downloaded clap_derive v4.0.13
[INFO] [stderr]   Downloaded num-complex v0.4.5
[INFO] [stderr]   Downloaded num v0.4.1
[INFO] [stderr]   Downloaded syn v1.0.102
[INFO] [stderr]   Downloaded clap v4.0.17
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98aa4fcb5638af04ce2fcebd6e0fa63e84d5aab0a6b98e1238f0feb5a3fcf3b9
[INFO] running `Command { std: "docker" "start" "-a" "98aa4fcb5638af04ce2fcebd6e0fa63e84d5aab0a6b98e1238f0feb5a3fcf3b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98aa4fcb5638af04ce2fcebd6e0fa63e84d5aab0a6b98e1238f0feb5a3fcf3b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98aa4fcb5638af04ce2fcebd6e0fa63e84d5aab0a6b98e1238f0feb5a3fcf3b9", kill_on_drop: false }`
[INFO] [stdout] 98aa4fcb5638af04ce2fcebd6e0fa63e84d5aab0a6b98e1238f0feb5a3fcf3b9
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e48fa3e5bb52667de20d850b763153b97292e6494c1d3dfdfa2dce13a10bde91
[INFO] running `Command { std: "docker" "start" "-a" "e48fa3e5bb52667de20d850b763153b97292e6494c1d3dfdfa2dce13a10bde91", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.0.13
[INFO] [stderr]     Checking clap v4.0.17
[INFO] [stderr]     Checking basehan v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::num::Wrapping`
[INFO] [stdout]  --> src/basehan/v1.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::num::Wrapping;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/basehan/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/basehan/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::Wrapping`
[INFO] [stdout]  --> src/basehan/v1.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::num::Wrapping;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/basehan/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/basehan/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/basehan/mod.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut is_invalid = false;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/basehan/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut err_code = 0;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_invalid`
[INFO] [stdout]   --> src/basehan/mod.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut is_invalid = false;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_invalid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err_code`
[INFO] [stdout]   --> src/basehan/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut err_code = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_err_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/basehan/mod.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut is_invalid = false;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/basehan/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut err_code = 0;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_invalid`
[INFO] [stdout]   --> src/basehan/mod.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut is_invalid = false;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_invalid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err_code`
[INFO] [stdout]   --> src/basehan/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut err_code = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_err_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut result = basehan::decode(&buffer).unwrap_or_else(|err| error_handler(err));
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let mut result = basehan::encode(buffer).unwrap_or_else(|err| error_handler(err));
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut result = basehan::decode(&buffer).unwrap_or_else(|err| error_handler(err));
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let mut result = basehan::encode(buffer).unwrap_or_else(|err| error_handler(err));
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.04s
[INFO] running `Command { std: "docker" "inspect" "e48fa3e5bb52667de20d850b763153b97292e6494c1d3dfdfa2dce13a10bde91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48fa3e5bb52667de20d850b763153b97292e6494c1d3dfdfa2dce13a10bde91", kill_on_drop: false }`
[INFO] [stdout] e48fa3e5bb52667de20d850b763153b97292e6494c1d3dfdfa2dce13a10bde91
