[INFO] cloning repository https://github.com/hinto-janai/jsonrpc-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hinto-janai/jsonrpc-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinto-janai%2Fjsonrpc-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinto-janai%2Fjsonrpc-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 797751d6f2bd236b77eb40aca69b407d978ca75c
[INFO] checking hinto-janai/jsonrpc-test against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinto-janai%2Fjsonrpc-test" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hinto-janai/jsonrpc-test on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hinto-janai/jsonrpc-test
[INFO] finished tweaking git repo https://github.com/hinto-janai/jsonrpc-test
[INFO] tweaked toml for git repo https://github.com/hinto-janai/jsonrpc-test written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hinto-janai/jsonrpc-test 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" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "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 hinto-janai/jsonrpc-test against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinto-janai%2Fjsonrpc-test" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hinto-janai/jsonrpc-test on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hinto-janai/jsonrpc-test
[INFO] finished tweaking git repo https://github.com/hinto-janai/jsonrpc-test
[INFO] tweaked toml for git repo https://github.com/hinto-janai/jsonrpc-test written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hinto-janai/jsonrpc-test 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" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "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 hinto-janai/jsonrpc-test against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinto-janai%2Fjsonrpc-test" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hinto-janai/jsonrpc-test on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hinto-janai/jsonrpc-test
[INFO] finished tweaking git repo https://github.com/hinto-janai/jsonrpc-test
[INFO] tweaked toml for git repo https://github.com/hinto-janai/jsonrpc-test written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hinto-janai/jsonrpc-test 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" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "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 hinto-janai/jsonrpc-test against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinto-janai%2Fjsonrpc-test" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hinto-janai/jsonrpc-test on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hinto-janai/jsonrpc-test
[INFO] finished tweaking git repo https://github.com/hinto-janai/jsonrpc-test
[INFO] tweaked toml for git repo https://github.com/hinto-janai/jsonrpc-test written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hinto-janai/jsonrpc-test 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" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "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 hinto-janai/jsonrpc-test against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinto-janai%2Fjsonrpc-test" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hinto-janai/jsonrpc-test on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hinto-janai/jsonrpc-test
[INFO] finished tweaking git repo https://github.com/hinto-janai/jsonrpc-test
[INFO] tweaked toml for git repo https://github.com/hinto-janai/jsonrpc-test written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hinto-janai/jsonrpc-test 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" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d66eb601cf28fdb2d32bf075760be73929278f71a4a89c2db27f34da7a5a59ac
[INFO] running `Command { std: "docker" "start" "-a" "d66eb601cf28fdb2d32bf075760be73929278f71a4a89c2db27f34da7a5a59ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d66eb601cf28fdb2d32bf075760be73929278f71a4a89c2db27f34da7a5a59ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d66eb601cf28fdb2d32bf075760be73929278f71a4a89c2db27f34da7a5a59ac", kill_on_drop: false }`
[INFO] [stdout] d66eb601cf28fdb2d32bf075760be73929278f71a4a89c2db27f34da7a5a59ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c1341ec89c997fb7f17120185f49f8c5c064c978c3a98ecef4ad2fdc4eb2d70
[INFO] running `Command { std: "docker" "start" "-a" "2c1341ec89c997fb7f17120185f49f8c5c064c978c3a98ecef4ad2fdc4eb2d70", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `resp`
[INFO] [stdout]   --> src/main.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let resp = black_box(from_str::<ResponseKey>(black_box(json))).unwrap();
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_resp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resp`
[INFO] [stdout]   --> src/main.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let resp = black_box(from_str::<ResponseCow>(black_box(json))).unwrap();
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_resp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resp`
[INFO] [stdout]   --> src/main.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let resp = black_box(from_str::<ResponseKey>(black_box(json))).unwrap();
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_resp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resp`
[INFO] [stdout]   --> src/main.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let resp = black_box(from_str::<ResponseCow>(black_box(json))).unwrap();
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_resp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.11s
[INFO] running `Command { std: "docker" "inspect" "2c1341ec89c997fb7f17120185f49f8c5c064c978c3a98ecef4ad2fdc4eb2d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1341ec89c997fb7f17120185f49f8c5c064c978c3a98ecef4ad2fdc4eb2d70", kill_on_drop: false }`
[INFO] [stdout] 2c1341ec89c997fb7f17120185f49f8c5c064c978c3a98ecef4ad2fdc4eb2d70