[INFO] cloning repository https://github.com/Embracethevoid/evjson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Embracethevoid/evjson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbracethevoid%2Fevjson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbracethevoid%2Fevjson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a172a28fec274b9abff63f71d9cc9deb2a9a4e5
[INFO] checking Embracethevoid/evjson against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbracethevoid%2Fevjson" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Embracethevoid/evjson on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Embracethevoid/evjson
[INFO] finished tweaking git repo https://github.com/Embracethevoid/evjson
[INFO] tweaked toml for git repo https://github.com/Embracethevoid/evjson written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Embracethevoid/evjson already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d292dd707119dd53a30cd0ffad917ef78db46fa654831ef313f2eddf0b258e94
[INFO] running `Command { std: "docker" "start" "-a" "d292dd707119dd53a30cd0ffad917ef78db46fa654831ef313f2eddf0b258e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d292dd707119dd53a30cd0ffad917ef78db46fa654831ef313f2eddf0b258e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d292dd707119dd53a30cd0ffad917ef78db46fa654831ef313f2eddf0b258e94", kill_on_drop: false }`
[INFO] [stdout] d292dd707119dd53a30cd0ffad917ef78db46fa654831ef313f2eddf0b258e94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c776204b74c549d35ddb2c8283df3fe7080d871e6f89c82a7455b136b123ae4e
[INFO] running `Command { std: "docker" "start" "-a" "c776204b74c549d35ddb2c8283df3fe7080d871e6f89c82a7455b136b123ae4e", kill_on_drop: false }`
[INFO] [stderr]     Checking evjson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/evjson.rs:220:20
[INFO] [stdout]     |
[INFO] [stdout] 220 |                 '0'...'9' | '-' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/evjson.rs:317:20
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 '0'...'9' | '-' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/evjson.rs:220:20
[INFO] [stdout]     |
[INFO] [stdout] 220 |                 '0'...'9' | '-' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/evjson.rs:317:20
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 '0'...'9' | '-' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stringify`
[INFO] [stdout]   --> src/evjson.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn stringify(object: &EVObject, space: u8) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stringify_object`
[INFO] [stdout]   --> src/evjson.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn stringify_object(object: &EVObject, space: u8, current_space: u8) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stringify_value`
[INFO] [stdout]   --> src/evjson.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn stringify_value(value: &EVValue, space: u8, current_space: u8) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stringify`
[INFO] [stdout]   --> src/evjson.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn stringify(object: &EVObject, space: u8) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stringify_object`
[INFO] [stdout]   --> src/evjson.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn stringify_object(object: &EVObject, space: u8, current_space: u8) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stringify_value`
[INFO] [stdout]   --> src/evjson.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn stringify_value(value: &EVValue, space: u8, current_space: u8) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "c776204b74c549d35ddb2c8283df3fe7080d871e6f89c82a7455b136b123ae4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c776204b74c549d35ddb2c8283df3fe7080d871e6f89c82a7455b136b123ae4e", kill_on_drop: false }`
[INFO] [stdout] c776204b74c549d35ddb2c8283df3fe7080d871e6f89c82a7455b136b123ae4e