[INFO] cloning repository https://github.com/LabCloudComputing/course-system-tester
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LabCloudComputing/course-system-tester" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLabCloudComputing%2Fcourse-system-tester", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLabCloudComputing%2Fcourse-system-tester'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa38431c61aee884c668b2d735fa86282548e2cc
[INFO] checking LabCloudComputing/course-system-tester against master#8a497b7181cad4ae66dbd6cc31042b69b6bd0df7 for pr-102474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLabCloudComputing%2Fcourse-system-tester" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LabCloudComputing/course-system-tester on toolchain 8a497b7181cad4ae66dbd6cc31042b69b6bd0df7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LabCloudComputing/course-system-tester
[INFO] finished tweaking git repo https://github.com/LabCloudComputing/course-system-tester
[INFO] tweaked toml for git repo https://github.com/LabCloudComputing/course-system-tester written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/LabCloudComputing/course-system-tester already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e424d7c933fc1575f949ad30107b287565ab9bb193f70ff42a03802b543a484f
[INFO] running `Command { std: "docker" "start" "-a" "e424d7c933fc1575f949ad30107b287565ab9bb193f70ff42a03802b543a484f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e424d7c933fc1575f949ad30107b287565ab9bb193f70ff42a03802b543a484f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e424d7c933fc1575f949ad30107b287565ab9bb193f70ff42a03802b543a484f", kill_on_drop: false }`
[INFO] [stdout] e424d7c933fc1575f949ad30107b287565ab9bb193f70ff42a03802b543a484f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceb63937b80399c584d1e3736c19d40f82fd0a970195705ce59ad1fe7959a882
[INFO] running `Command { std: "docker" "start" "-a" "ceb63937b80399c584d1e3736c19d40f82fd0a970195705ce59ad1fe7959a882", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.80
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking thread-id v4.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking clap v3.1.14
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking log4rs v1.1.1
[INFO] [stderr]     Checking course-system-tester v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::Version`
[INFO] [stdout]   --> src/cmd/run/perf.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::Version;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Version`
[INFO] [stdout]   --> src/cmd/run/perf.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::Version;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]   --> src/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     version: Version,
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     mode: &String,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]   --> src/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     version: Version,
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     mode: &String,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.64s
[INFO] running `Command { std: "docker" "inspect" "ceb63937b80399c584d1e3736c19d40f82fd0a970195705ce59ad1fe7959a882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb63937b80399c584d1e3736c19d40f82fd0a970195705ce59ad1fe7959a882", kill_on_drop: false }`
[INFO] [stdout] ceb63937b80399c584d1e3736c19d40f82fd0a970195705ce59ad1fe7959a882