[INFO] fetching crate chorus-tempo 0.1.0...
[INFO] checking chorus-tempo-0.1.0 against beta for pr-78714
[INFO] extracting crate chorus-tempo 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate chorus-tempo 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chorus-tempo 0.1.0
[INFO] finished tweaking crates.io crate chorus-tempo 0.1.0
[INFO] tweaked toml for crates.io crate chorus-tempo 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c694933b433ca60c86f23d4466c07385d2b12ff531c9f3bd70a105080e0ed044
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c694933b433ca60c86f23d4466c07385d2b12ff531c9f3bd70a105080e0ed044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c694933b433ca60c86f23d4466c07385d2b12ff531c9f3bd70a105080e0ed044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c694933b433ca60c86f23d4466c07385d2b12ff531c9f3bd70a105080e0ed044", kill_on_drop: false }`
[INFO] [stdout] c694933b433ca60c86f23d4466c07385d2b12ff531c9f3bd70a105080e0ed044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67988d5784e777e0bcf24b0a987c8b70c0bea85d1d6642750265ace4721357a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "67988d5784e777e0bcf24b0a987c8b70c0bea85d1d6642750265ace4721357a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking users v0.8.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking run_script v0.2.5
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking chorus-tempo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]  --> src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (code, output, error) = run_script::run(
[INFO] [stdout]   |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]  --> src/main.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (code, output, error) = run_script::run(
[INFO] [stdout]   |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/main.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (code, output, error) = run_script::run(
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/main.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (code, output, error) = run_script::run(
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]  --> src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (code, output, error) = run_script::run(
[INFO] [stdout]   |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]  --> src/main.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (code, output, error) = run_script::run(
[INFO] [stdout]   |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/main.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (code, output, error) = run_script::run(
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/main.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (code, output, error) = run_script::run(
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.94s
[INFO] running `Command { std: "docker" "inspect" "67988d5784e777e0bcf24b0a987c8b70c0bea85d1d6642750265ace4721357a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67988d5784e777e0bcf24b0a987c8b70c0bea85d1d6642750265ace4721357a7", kill_on_drop: false }`
[INFO] [stdout] 67988d5784e777e0bcf24b0a987c8b70c0bea85d1d6642750265ace4721357a7