[INFO] fetching crate torks 0.9.5...
[INFO] checking torks-0.9.5 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate torks 0.9.5 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate torks 0.9.5
[INFO] finished tweaking crates.io crate torks 0.9.5
[INFO] tweaked toml for crates.io crate torks 0.9.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate torks 0.9.5 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate torks 0.9.5 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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6df0c322cf371981505d10700f4bd4a563d5bf71955fef473eb8695d09555438
[INFO] running `Command { std: "docker" "start" "-a" "6df0c322cf371981505d10700f4bd4a563d5bf71955fef473eb8695d09555438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6df0c322cf371981505d10700f4bd4a563d5bf71955fef473eb8695d09555438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df0c322cf371981505d10700f4bd4a563d5bf71955fef473eb8695d09555438", kill_on_drop: false }`
[INFO] [stdout] 6df0c322cf371981505d10700f4bd4a563d5bf71955fef473eb8695d09555438
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14465b81a9cf4fadb50a9c9650a1a0c14704cc19951c775b7bbcda88f6ff45e9
[INFO] running `Command { std: "docker" "start" "-a" "14465b81a9cf4fadb50a9c9650a1a0c14704cc19951c775b7bbcda88f6ff45e9", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `target_users`
[INFO] [stdout]   --> src/tui.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         target_users: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_users`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rate` is never read
[INFO] [stdout]   --> src/config.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct LoadProfile {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub rate: Option<u32>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoadProfile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `timestamp_secs` and `error_rate` are never read
[INFO] [stdout]   --> src/metrics.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Snapshot {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 31 |     pub timestamp_secs: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub error_rate: f64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Snapshot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `successful_requests` and `elapsed_secs` are never read
[INFO] [stdout]   --> src/metrics.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct LiveStats {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 42 |     pub total_requests: u64,
[INFO] [stdout] 43 |     pub successful_requests: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub elapsed_secs: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LiveStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_users`
[INFO] [stdout]   --> src/tui.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         target_users: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_users`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rate` is never read
[INFO] [stdout]   --> src/config.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct LoadProfile {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub rate: Option<u32>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoadProfile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `timestamp_secs` and `error_rate` are never read
[INFO] [stdout]   --> src/metrics.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Snapshot {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 31 |     pub timestamp_secs: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub error_rate: f64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Snapshot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `successful_requests` and `elapsed_secs` are never read
[INFO] [stdout]   --> src/metrics.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct LiveStats {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 42 |     pub total_requests: u64,
[INFO] [stdout] 43 |     pub successful_requests: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub elapsed_secs: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LiveStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "14465b81a9cf4fadb50a9c9650a1a0c14704cc19951c775b7bbcda88f6ff45e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14465b81a9cf4fadb50a9c9650a1a0c14704cc19951c775b7bbcda88f6ff45e9", kill_on_drop: false }`
[INFO] [stdout] 14465b81a9cf4fadb50a9c9650a1a0c14704cc19951c775b7bbcda88f6ff45e9