[INFO] cloning repository https://github.com/leonardchinonso/verifile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leonardchinonso/verifile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleonardchinonso%2Fverifile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleonardchinonso%2Fverifile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec84ca1b4eae3935e8e7963d26a4341cb5b63b15
[INFO] testing leonardchinonso/verifile against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleonardchinonso%2Fverifile" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leonardchinonso/verifile on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leonardchinonso/verifile
[INFO] finished tweaking git repo https://github.com/leonardchinonso/verifile
[INFO] tweaked toml for git repo https://github.com/leonardchinonso/verifile written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/leonardchinonso/verifile 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a21af9f0bb3aadecffaf5ff4d7aab52b2edfd0aeb8fa1ee4ce6fdf81591ab26d
[INFO] running `Command { std: "docker" "start" "-a" "a21af9f0bb3aadecffaf5ff4d7aab52b2edfd0aeb8fa1ee4ce6fdf81591ab26d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a21af9f0bb3aadecffaf5ff4d7aab52b2edfd0aeb8fa1ee4ce6fdf81591ab26d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a21af9f0bb3aadecffaf5ff4d7aab52b2edfd0aeb8fa1ee4ce6fdf81591ab26d", kill_on_drop: false }`
[INFO] [stdout] a21af9f0bb3aadecffaf5ff4d7aab52b2edfd0aeb8fa1ee4ce6fdf81591ab26d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b07c838cf5652744e253ef670c6382d9d4def7b554526d2bf4c0ceb1e41be396
[INFO] running `Command { std: "docker" "start" "-a" "b07c838cf5652744e253ef670c6382d9d4def7b554526d2bf4c0ceb1e41be396", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling cpufeatures v0.2.11
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling termcolor v1.4.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling tokio v1.34.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling clap_builder v4.4.9
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling env_logger v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling sha256 v1.4.0
[INFO] [stderr]    Compiling clap v4.4.10
[INFO] [stderr]    Compiling common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> common/src/model/merkle.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |         if index < 0 || index > self.data.len() {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> common/src/model/merkle.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |         if index < 0 || index >= self.data.len() {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> client/src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut args = args::Argument::parse();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_names`, `files_data`, and `downloaded_file` are never read
[INFO] [stdout]   --> client/src/client.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Client {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 44 |     files: Vec<FileInfo>,
[INFO] [stdout] 45 |     file_names: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 46 |     files_data: Vec<Vec<u8>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     downloaded_file: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.96s
[INFO] running `Command { std: "docker" "inspect" "b07c838cf5652744e253ef670c6382d9d4def7b554526d2bf4c0ceb1e41be396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07c838cf5652744e253ef670c6382d9d4def7b554526d2bf4c0ceb1e41be396", kill_on_drop: false }`
[INFO] [stdout] b07c838cf5652744e253ef670c6382d9d4def7b554526d2bf4c0ceb1e41be396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07217682a97a2c90c4a1187b3650744e3a2633e2986af3332350b66a0059f2ad
[INFO] running `Command { std: "docker" "start" "-a" "07217682a97a2c90c4a1187b3650744e3a2633e2986af3332350b66a0059f2ad", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> common/src/model/merkle.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |         if index < 0 || index > self.data.len() {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> common/src/model/merkle.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |         if index < 0 || index >= self.data.len() {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] warning: unused variable: `vector`
[INFO] [stdout]    --> common/src/model/merkle.rs:313:13
[INFO] [stdout]     |
[INFO] [stdout] 313 |         let vector = build_merkle_vector(&data);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vector`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vector`
[INFO] [stdout]    --> common/src/model/merkle.rs:329:13
[INFO] [stdout]     |
[INFO] [stdout] 329 |         let vector = build_merkle_vector(&data);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> client/src/client.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let mut client = Client::new();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> client/src/client.rs:281:26
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let (file_names, mut expected_files) = parse_files();
[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]    --> client/src/client.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |         let mut client = Client::new();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> common/src/model/merkle.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |         if index < 0 || index > self.data.len() {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> common/src/model/merkle.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |         if index < 0 || index >= self.data.len() {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> client/src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut args = args::Argument::parse();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_names`, `files_data`, and `downloaded_file` are never read
[INFO] [stdout]   --> client/src/client.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Client {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 44 |     files: Vec<FileInfo>,
[INFO] [stdout] 45 |     file_names: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 46 |     files_data: Vec<Vec<u8>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     downloaded_file: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "07217682a97a2c90c4a1187b3650744e3a2633e2986af3332350b66a0059f2ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07217682a97a2c90c4a1187b3650744e3a2633e2986af3332350b66a0059f2ad", kill_on_drop: false }`
[INFO] [stdout] 07217682a97a2c90c4a1187b3650744e3a2633e2986af3332350b66a0059f2ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5910da239b09af9770193aa2932f22668a297b8557173e9d1282e71deba8b04e
[INFO] running `Command { std: "docker" "start" "-a" "5910da239b09af9770193aa2932f22668a297b8557173e9d1282e71deba8b04e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> common/src/model/merkle.rs:102:12
[INFO] [stderr]     |
[INFO] [stderr] 102 |         if index < 0 || index > self.data.len() {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> common/src/model/merkle.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr] 129 |         if index < 0 || index >= self.data.len() {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `common` (lib) generated 2 warnings
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> client/src/client.rs:274:13
[INFO] [stderr]     |
[INFO] [stderr] 274 |         let mut client = Client::new();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> client/src/client.rs:281:26
[INFO] [stderr]     |
[INFO] [stderr] 281 |         let (file_names, mut expected_files) = parse_files();
[INFO] [stderr]     |                          ----^^^^^^^^^^^^^^
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> client/src/client.rs:291:13
[INFO] [stderr]     |
[INFO] [stderr] 291 |         let mut client = Client::new();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> client/src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut args = args::Argument::parse();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `file_names`, `files_data`, and `downloaded_file` are never read
[INFO] [stderr]   --> client/src/client.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub struct Client {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 44 |     files: Vec<FileInfo>,
[INFO] [stderr] 45 |     file_names: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 46 |     files_data: Vec<Vec<u8>>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |     downloaded_file: Vec<u8>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `client` (bin "client" test) generated 5 warnings (run `cargo fix --bin "client" --tests` to apply 4 suggestions)
[INFO] [stderr] warning: unused variable: `vector`
[INFO] [stderr]    --> common/src/model/merkle.rs:313:13
[INFO] [stderr]     |
[INFO] [stderr] 313 |         let vector = build_merkle_vector(&data);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vector`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vector`
[INFO] [stderr]    --> common/src/model/merkle.rs:329:13
[INFO] [stderr]     |
[INFO] [stderr] 329 |         let vector = build_merkle_vector(&data);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vector`
[INFO] [stderr] 
[INFO] [stderr] warning: `common` (lib test) generated 4 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/client-eb96a5cb360fa3a6)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test client::test::mock_server_has_correct_files ... ok
[INFO] [stdout] test args::test::parsing_argument_works ... ok
[INFO] [stdout] test client::test::load_files_into_memory_works ... ok
[INFO] [stdout] test client::test::mock_server_does_not_have_correct_files ... ok
[INFO] [stdout] test client::test::build_merkle_tree_and_save_to_disk_works ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- client::test::build_merkle_tree_and_save_to_disk_works stdout ----
[INFO] [stdout] thread 'client::test::build_merkle_tree_and_save_to_disk_works' panicked at client/src/client.rs:93:54:
[INFO] [stdout] json file creation should not fail: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x625d01a7e7ea - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x625d01a7e7ea - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x625d01a7e7ea - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x625d01a7e7ea - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x625d01aa3c33 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x625d01aa3c33 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x625d01a7b9b3 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x625d01a7e632 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x625d01a7fc4a - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x625d01a7fa54 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x625d01a21639 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x625d01a21639 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x625d01a802e8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x625d01a802e8 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x625d01a800aa - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x625d01a7ecc9 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x625d01a7fd3c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x625d019dbb00 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x625d019dbf46 - core::result::unwrap_failed::hd20b4aa073bda1e2
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5
[INFO] [stdout]   19:     0x625d019df34d - core::result::Result<T,E>::expect::ha11a35ea7bf65e76
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1061:23
[INFO] [stdout]   20:     0x625d019e601f - client::client::Client::build_merkle_tree_and_save_to_disk::he86e3213db377196
[INFO] [stdout]                                at /opt/rustwide/workdir/client/src/client.rs:93:24
[INFO] [stdout]   21:     0x625d019e0f8a - client::client::test::build_merkle_tree_and_save_to_disk_works::h25615fa15d20e439
[INFO] [stdout]                                at /opt/rustwide/workdir/client/src/client.rs:262:9
[INFO] [stdout]   22:     0x625d019e0e67 - client::client::test::build_merkle_tree_and_save_to_disk_works::{{closure}}::heb996fa2ab13d247
[INFO] [stdout]                                at /opt/rustwide/workdir/client/src/client.rs:257:50
[INFO] [stdout]   23:     0x625d019dca26 - core::ops::function::FnOnce::call_once::h951edc01e436216c
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x625d01a25ffb - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x625d01a25ffb - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x625d01a25837 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x625d01a25837 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x625d01a25837 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   29:     0x625d01a25837 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   30:     0x625d01a25837 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   31:     0x625d01a25837 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x625d01a25837 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   33:     0x625d019eab14 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x625d019eab14 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   35:     0x625d019ee1de - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   36:     0x625d019ee1de - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x625d019ee1de - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   38:     0x625d019ee1de - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   39:     0x625d019ee1de - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   40:     0x625d019ee1de - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   41:     0x625d019ee1de - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x625d01a8404b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x625d01a8404b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   44:     0x625d01a8404b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   45:     0x755cf46cbac3 - <unknown>
[INFO] [stdout]   46:     0x755cf475ca04 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     client::test::build_merkle_tree_and_save_to_disk_works
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p client --bin client`
[INFO] running `Command { std: "docker" "inspect" "5910da239b09af9770193aa2932f22668a297b8557173e9d1282e71deba8b04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5910da239b09af9770193aa2932f22668a297b8557173e9d1282e71deba8b04e", kill_on_drop: false }`
[INFO] [stdout] 5910da239b09af9770193aa2932f22668a297b8557173e9d1282e71deba8b04e
