[INFO] fetching crate zpack 0.1.14...
[INFO] checking zpack-0.1.14 against master#4068bafedd8ba724e332a5221c06a6fa531a30d2 for pr-146978
[INFO] extracting crate zpack 0.1.14 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate zpack 0.1.14
[INFO] finished tweaking crates.io crate zpack 0.1.14
[INFO] tweaked toml for crates.io crate zpack 0.1.14 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zpack 0.1.14 on toolchain 4068bafedd8ba724e332a5221c06a6fa531a30d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zpack 0.1.14 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" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "bee5dce020f369f5e23b7e6e5b4adb81ad1b7aecd780d42dbb7f86c52f813d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bee5dce020f369f5e23b7e6e5b4adb81ad1b7aecd780d42dbb7f86c52f813d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee5dce020f369f5e23b7e6e5b4adb81ad1b7aecd780d42dbb7f86c52f813d38", kill_on_drop: false }`
[INFO] [stdout] bee5dce020f369f5e23b7e6e5b4adb81ad1b7aecd780d42dbb7f86c52f813d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10722943188a4416e5510bcd60b96e0449dc4ce1a4b3083e17344d21ffe14f5f
[INFO] running `Command { std: "docker" "start" "-a" "10722943188a4416e5510bcd60b96e0449dc4ce1a4b3083e17344d21ffe14f5f", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `exceptions::PyRuntimeError`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pyo3::{exceptions::PyRuntimeError, prelude::*};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::Cell` and `rc::Rc`
[INFO] [stdout]   --> src/package/outline.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{cell::Cell, collections::HashMap, rc::Rc};
[INFO] [stdout]    |           ^^^^^^^^^^                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Graph`
[INFO] [stdout]   --> src/package/outline.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Graph,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `exceptions::PyRuntimeError`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pyo3::{exceptions::PyRuntimeError, prelude::*};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::Cell` and `rc::Rc`
[INFO] [stdout]   --> src/package/outline.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{cell::Cell, collections::HashMap, rc::Rc};
[INFO] [stdout]    |           ^^^^^^^^^^                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Graph`
[INFO] [stdout]   --> src/package/outline.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Graph,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `z3::Params`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use z3::Params;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]    --> src/main.rs:312:17
[INFO] [stdout]     |
[INFO] [stdout] 312 |         Config, Context, SatResult, Solver,
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `z3::Params`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use z3::Params;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]    --> src/main.rs:312:17
[INFO] [stdout]     |
[INFO] [stdout] 312 |         Config, Context, SatResult, Solver,
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ast`
[INFO] [stdout]    --> src/main.rs:313:15
[INFO] [stdout]     |
[INFO] [stdout] 313 |         ast::{Ast, Bool, Int},
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blas_outline`
[INFO] [stdout]    --> src/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let blas_outline = PackageOutline {
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blas_outline`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ast`
[INFO] [stdout]    --> src/main.rs:313:15
[INFO] [stdout]     |
[INFO] [stdout] 313 |         ast::{Ast, Bool, Int},
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:443:9
[INFO] [stdout]     |
[INFO] [stdout] 443 |     let s = package_option.clone().into_string().unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]    --> src/main.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |     let sample = r#"thing = [1, [2, 3], 4, 5e5, "hello", true, false]"#;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blas_outline`
[INFO] [stdout]    --> src/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let blas_outline = PackageOutline {
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blas_outline`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:443:9
[INFO] [stdout]     |
[INFO] [stdout] 443 |     let s = package_option.clone().into_string().unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]    --> src/main.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |     let sample = r#"thing = [1, [2, 3], 4, 5e5, "hello", true, false]"#;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "10722943188a4416e5510bcd60b96e0449dc4ce1a4b3083e17344d21ffe14f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10722943188a4416e5510bcd60b96e0449dc4ce1a4b3083e17344d21ffe14f5f", kill_on_drop: false }`
[INFO] [stdout] 10722943188a4416e5510bcd60b96e0449dc4ce1a4b3083e17344d21ffe14f5f