[INFO] cloning repository https://github.com/zhcyueliyangzi/json_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhcyueliyangzi/json_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhcyueliyangzi%2Fjson_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhcyueliyangzi%2Fjson_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7e224b311ec0845c3a1f2bae7cef6bc3d6f4bb02 [INFO] testing zhcyueliyangzi/json_test against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhcyueliyangzi%2Fjson_test" "/workspace/builds/worker-75/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zhcyueliyangzi/json_test on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zhcyueliyangzi/json_test [INFO] finished tweaking git repo https://github.com/zhcyueliyangzi/json_test [INFO] tweaked toml for git repo https://github.com/zhcyueliyangzi/json_test written to /workspace/builds/worker-75/source/Cargo.toml [INFO] crate git repo https://github.com/zhcyueliyangzi/json_test already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] da65428bde2a1f6c5ffeed4ed9662a583c29da07d6d1b9910acbd23c5cacf03b [INFO] running `Command { std: "docker" "start" "-a" "da65428bde2a1f6c5ffeed4ed9662a583c29da07d6d1b9910acbd23c5cacf03b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da65428bde2a1f6c5ffeed4ed9662a583c29da07d6d1b9910acbd23c5cacf03b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da65428bde2a1f6c5ffeed4ed9662a583c29da07d6d1b9910acbd23c5cacf03b", kill_on_drop: false }` [INFO] [stdout] da65428bde2a1f6c5ffeed4ed9662a583c29da07d6d1b9910acbd23c5cacf03b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13785b3164653832f6fccf05b37f8d2186bbb1fc9ab2828deb7bd67740fede9c [INFO] running `Command { std: "docker" "start" "-a" "13785b3164653832f6fccf05b37f8d2186bbb1fc9ab2828deb7bd67740fede9c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling json v0.12.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling json_test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `serde_json::*` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::*` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let r = INC.read(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/main.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let args: Vec = env::args().collect(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/main.rs:70:10 [INFO] [stdout] | [INFO] [stdout] 70 | for (key, value) in env::vars() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:70:15 [INFO] [stdout] | [INFO] [stdout] 70 | for (key, value) in env::vars() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filepath` [INFO] [stdout] --> src/main.rs:17:18 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn read( filepath:&'static str) -> File{ [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filepath` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 39s [INFO] running `Command { std: "docker" "inspect" "13785b3164653832f6fccf05b37f8d2186bbb1fc9ab2828deb7bd67740fede9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13785b3164653832f6fccf05b37f8d2186bbb1fc9ab2828deb7bd67740fede9c", kill_on_drop: false }` [INFO] [stdout] 13785b3164653832f6fccf05b37f8d2186bbb1fc9ab2828deb7bd67740fede9c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a0b8d6c4bb2219e3903779768b96a68d6f69e62753ceef4491842db6b1c41c6 [INFO] running `Command { std: "docker" "start" "-a" "5a0b8d6c4bb2219e3903779768b96a68d6f69e62753ceef4491842db6b1c41c6", kill_on_drop: false }` [INFO] [stderr] Compiling json_test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `serde_json::*` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::*` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let r = INC.read(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/main.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let args: Vec = env::args().collect(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/main.rs:70:10 [INFO] [stdout] | [INFO] [stdout] 70 | for (key, value) in env::vars() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:70:15 [INFO] [stdout] | [INFO] [stdout] 70 | for (key, value) in env::vars() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filepath` [INFO] [stdout] --> src/main.rs:17:18 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn read( filepath:&'static str) -> File{ [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filepath` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.45s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/json_test-dd57bb8314655fc7) [INFO] running `Command { std: "docker" "inspect" "5a0b8d6c4bb2219e3903779768b96a68d6f69e62753ceef4491842db6b1c41c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a0b8d6c4bb2219e3903779768b96a68d6f69e62753ceef4491842db6b1c41c6", kill_on_drop: false }` [INFO] [stdout] 5a0b8d6c4bb2219e3903779768b96a68d6f69e62753ceef4491842db6b1c41c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ce50645b4b785fbe0cb3353c8583501c68e2de110e3854443a9189232a9c5cc8 [INFO] running `Command { std: "docker" "start" "-a" "ce50645b4b785fbe0cb3353c8583501c68e2de110e3854443a9189232a9c5cc8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `serde_json::*` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use serde_json::*; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde::*` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use serde::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread::sleep` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::thread::sleep; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> src/main.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 64 | let r = INC.read(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `args` [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let args: Vec = env::args().collect(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/main.rs:70:10 [INFO] [stderr] | [INFO] [stderr] 70 | for (key, value) in env::vars() { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/main.rs:70:15 [INFO] [stderr] | [INFO] [stderr] 70 | for (key, value) in env::vars() { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `filepath` [INFO] [stderr] --> src/main.rs:17:18 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn read( filepath:&'static str) -> File{ [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filepath` [INFO] [stderr] [INFO] [stderr] warning: `json_test` (bin "json_test" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 57s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/json_test-dd57bb8314655fc7) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ce50645b4b785fbe0cb3353c8583501c68e2de110e3854443a9189232a9c5cc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce50645b4b785fbe0cb3353c8583501c68e2de110e3854443a9189232a9c5cc8", kill_on_drop: false }` [INFO] [stdout] ce50645b4b785fbe0cb3353c8583501c68e2de110e3854443a9189232a9c5cc8