[INFO] cloning repository https://github.com/web-mech/compress-json-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/web-mech/compress-json-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb-mech%2Fcompress-json-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb-mech%2Fcompress-json-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b183b2712ffe8f060a81244135d65f877046b642
[INFO] checking web-mech/compress-json-rs against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb-mech%2Fcompress-json-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/web-mech/compress-json-rs on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/web-mech/compress-json-rs
[INFO] finished tweaking git repo https://github.com/web-mech/compress-json-rs
[INFO] tweaked toml for git repo https://github.com/web-mech/compress-json-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/web-mech/compress-json-rs 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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0165789f68c82539c51a2c66d7d2c462d9d62da571fc9f429bcea9f3e534409b
[INFO] running `Command { std: "docker" "start" "-a" "0165789f68c82539c51a2c66d7d2c462d9d62da571fc9f429bcea9f3e534409b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0165789f68c82539c51a2c66d7d2c462d9d62da571fc9f429bcea9f3e534409b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0165789f68c82539c51a2c66d7d2c462d9d62da571fc9f429bcea9f3e534409b", kill_on_drop: false }`
[INFO] [stdout] 0165789f68c82539c51a2c66d7d2c462d9d62da571fc9f429bcea9f3e534409b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f9ca6084cbfac84f60a02610d0191b453ac08da2ac86bb6fceb4e0c24d93797
[INFO] running `Command { std: "docker" "start" "-a" "1f9ca6084cbfac84f60a02610d0191b453ac08da2ac86bb6fceb4e0c24d93797", 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 proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking compress-json-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/memory.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         _ => panic!("unsupported data type"),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/memory.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 72  |         Value::Null => "".to_string(),
[INFO] [stdout]     |         ----------- matches some of the same values
[INFO] [stdout] 73  |         Value::Bool(b) => get_value_key(mem, &encode_bool(*b)),
[INFO] [stdout]     |         -------------- matches some of the same values
[INFO] [stdout] 74  |         Value::Number(n) => {
[INFO] [stdout]     |         ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 97  |         Value::String(s) => get_value_key(mem, &encode_str(s)),
[INFO] [stdout]     |         ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 130 |         _ => panic!("unsupported data type"),
[INFO] [stdout]     |         ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/helpers.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |             if let Some(mut v) = obj.remove(&key) {
[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]   --> src/core.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut keys_val = decode(values, key_id);
[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/core.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut keys: Vec<String> = match keys_val {
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bool_to_s` is never used
[INFO] [stdout]  --> src/boolean.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn bool_to_s(b: bool) -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `s_to_bool` is never used
[INFO] [stdout]   --> src/boolean.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn s_to_bool(s: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `throw_unknown_data_type` is never used
[INFO] [stdout]  --> src/debug.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn throw_unknown_data_type() -> ! {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/memory.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         _ => panic!("unsupported data type"),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/memory.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 72  |         Value::Null => "".to_string(),
[INFO] [stdout]     |         ----------- matches some of the same values
[INFO] [stdout] 73  |         Value::Bool(b) => get_value_key(mem, &encode_bool(*b)),
[INFO] [stdout]     |         -------------- matches some of the same values
[INFO] [stdout] 74  |         Value::Number(n) => {
[INFO] [stdout]     |         ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 97  |         Value::String(s) => get_value_key(mem, &encode_str(s)),
[INFO] [stdout]     |         ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 130 |         _ => panic!("unsupported data type"),
[INFO] [stdout]     |         ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/helpers.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |             if let Some(mut v) = obj.remove(&key) {
[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]   --> src/core.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut keys_val = decode(values, key_id);
[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/core.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut keys: Vec<String> = match keys_val {
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bool_to_s` is never used
[INFO] [stdout]  --> src/boolean.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn bool_to_s(b: bool) -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `s_to_bool` is never used
[INFO] [stdout]   --> src/boolean.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn s_to_bool(s: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `throw_unknown_data_type` is never used
[INFO] [stdout]  --> src/debug.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn throw_unknown_data_type() -> ! {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.43s
[INFO] running `Command { std: "docker" "inspect" "1f9ca6084cbfac84f60a02610d0191b453ac08da2ac86bb6fceb4e0c24d93797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9ca6084cbfac84f60a02610d0191b453ac08da2ac86bb6fceb4e0c24d93797", kill_on_drop: false }`
[INFO] [stdout] 1f9ca6084cbfac84f60a02610d0191b453ac08da2ac86bb6fceb4e0c24d93797
