[INFO] cloning repository https://github.com/fanlia/rust-json [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fanlia/rust-json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanlia%2Frust-json", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanlia%2Frust-json'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d920d530eeda5aefbc0780e4cbf1e161712d9808 [INFO] checking fanlia/rust-json against try#0e1f5e292c80a395d02835ac656d141e992caf89 for pr-145605 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanlia%2Frust-json" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/fanlia/rust-json [INFO] finished tweaking git repo https://github.com/fanlia/rust-json [INFO] tweaked toml for git repo https://github.com/fanlia/rust-json written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/fanlia/rust-json on toolchain 0e1f5e292c80a395d02835ac656d141e992caf89 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e1f5e292c80a395d02835ac656d141e992caf89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/fanlia/rust-json 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" "+0e1f5e292c80a395d02835ac656d141e992caf89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking fanlia/rust-json against try#0e1f5e292c80a395d02835ac656d141e992caf89 for pr-145605 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanlia%2Frust-json" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/fanlia/rust-json [INFO] finished tweaking git repo https://github.com/fanlia/rust-json [INFO] tweaked toml for git repo https://github.com/fanlia/rust-json written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/fanlia/rust-json on toolchain 0e1f5e292c80a395d02835ac656d141e992caf89 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e1f5e292c80a395d02835ac656d141e992caf89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/fanlia/rust-json 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" "+0e1f5e292c80a395d02835ac656d141e992caf89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+0e1f5e292c80a395d02835ac656d141e992caf89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9f87977ce2c27f75b72e2871a957d24ee6f7cf766793bb2c4c5ea78ca6795a5 [INFO] running `Command { std: "docker" "start" "-a" "d9f87977ce2c27f75b72e2871a957d24ee6f7cf766793bb2c4c5ea78ca6795a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9f87977ce2c27f75b72e2871a957d24ee6f7cf766793bb2c4c5ea78ca6795a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9f87977ce2c27f75b72e2871a957d24ee6f7cf766793bb2c4c5ea78ca6795a5", kill_on_drop: false }` [INFO] [stdout] d9f87977ce2c27f75b72e2871a957d24ee6f7cf766793bb2c4c5ea78ca6795a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+0e1f5e292c80a395d02835ac656d141e992caf89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 344d43c879d785d0749c01d8c4bf77d81c4b7b1214af810e5d03f27a173d8e9e [INFO] running `Command { std: "docker" "start" "-a" "344d43c879d785d0749c01d8c4bf77d81c4b7b1214af810e5d03f27a173d8e9e", kill_on_drop: false }` [INFO] [stderr] Checking world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `peek_char` is never used [INFO] [stdout] --> src/json.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 27 | impl Parser { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 52 | fn peek_char(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/json.rs:375:12 [INFO] [stdout] | [INFO] [stdout] 374 | impl JsonValue { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 375 | pub fn as_str(&self) -> Option<&str> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 382 | pub fn as_f64(&self) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 389 | pub fn as_bool(&self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 396 | pub fn as_array(&self) -> Option<&Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 403 | pub fn as_object(&self) -> Option<&HashMap> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 410 | pub fn get(&self, key: &str) -> Option<&JsonValue> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 417 | pub fn get_index(&self, index: usize) -> Option<&JsonValue> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `peek_char` is never used [INFO] [stdout] --> src/json.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 27 | impl Parser { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 52 | fn peek_char(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/json.rs:375:12 [INFO] [stdout] | [INFO] [stdout] 374 | impl JsonValue { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 375 | pub fn as_str(&self) -> Option<&str> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 382 | pub fn as_f64(&self) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 389 | pub fn as_bool(&self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 396 | pub fn as_array(&self) -> Option<&Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 403 | pub fn as_object(&self) -> Option<&HashMap> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 410 | pub fn get(&self, key: &str) -> Option<&JsonValue> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 417 | pub fn get_index(&self, index: usize) -> Option<&JsonValue> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "344d43c879d785d0749c01d8c4bf77d81c4b7b1214af810e5d03f27a173d8e9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "344d43c879d785d0749c01d8c4bf77d81c4b7b1214af810e5d03f27a173d8e9e", kill_on_drop: false }` [INFO] [stdout] 344d43c879d785d0749c01d8c4bf77d81c4b7b1214af810e5d03f27a173d8e9e