[INFO] fetching crate scribe-rust 1.0.2...
[INFO] testing scribe-rust-1.0.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate scribe-rust 1.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate scribe-rust 1.0.2
[INFO] finished tweaking crates.io crate scribe-rust 1.0.2
[INFO] tweaked toml for crates.io crate scribe-rust 1.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scribe-rust 1.0.2 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41894473347b26360b54f9f280f2e276665729d843d14c6eb90fc66c806e3cc9
[INFO] running `Command { std: "docker" "start" "-a" "41894473347b26360b54f9f280f2e276665729d843d14c6eb90fc66c806e3cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41894473347b26360b54f9f280f2e276665729d843d14c6eb90fc66c806e3cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41894473347b26360b54f9f280f2e276665729d843d14c6eb90fc66c806e3cc9", kill_on_drop: false }`
[INFO] [stdout] 41894473347b26360b54f9f280f2e276665729d843d14c6eb90fc66c806e3cc9
[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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af0cf9c3562160a19cb2774d3ff79fdcc2dfa6e933c7ae7f1f7d969ef3184402
[INFO] running `Command { std: "docker" "start" "-a" "af0cf9c3562160a19cb2774d3ff79fdcc2dfa6e933c7ae7f1f7d969ef3184402", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling scribe-rust v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `json`
[INFO] [stdout]    --> src/lib.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 | use serde_json::{json, Value};
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "af0cf9c3562160a19cb2774d3ff79fdcc2dfa6e933c7ae7f1f7d969ef3184402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0cf9c3562160a19cb2774d3ff79fdcc2dfa6e933c7ae7f1f7d969ef3184402", kill_on_drop: false }`
[INFO] [stdout] af0cf9c3562160a19cb2774d3ff79fdcc2dfa6e933c7ae7f1f7d969ef3184402
[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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d98cce2be1961e99ab1ea08fbc6c6fdffdbc5a232f71822e021b37f0ca5dc3c
[INFO] running `Command { std: "docker" "start" "-a" "7d98cce2be1961e99ab1ea08fbc6c6fdffdbc5a232f71822e021b37f0ca5dc3c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `json`
[INFO] [stdout]    --> src/lib.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 | use serde_json::{json, Value};
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling scribe-rust v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `json`
[INFO] [stdout]    --> src/lib.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 | use serde_json::{json, Value};
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "7d98cce2be1961e99ab1ea08fbc6c6fdffdbc5a232f71822e021b37f0ca5dc3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d98cce2be1961e99ab1ea08fbc6c6fdffdbc5a232f71822e021b37f0ca5dc3c", kill_on_drop: false }`
[INFO] [stdout] 7d98cce2be1961e99ab1ea08fbc6c6fdffdbc5a232f71822e021b37f0ca5dc3c
[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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 48f6bf4ac810c778909e1d1098b8cab9380640a498730ffe8c5c7294cc9c5ecf
[INFO] running `Command { std: "docker" "start" "-a" "48f6bf4ac810c778909e1d1098b8cab9380640a498730ffe8c5c7294cc9c5ecf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `json`
[INFO] [stderr]    --> src/lib.rs:113:18
[INFO] [stderr]     |
[INFO] [stderr] 113 | use serde_json::{json, Value};
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `scribe-rust` (lib) generated 1 warning (run `cargo fix --lib -p scribe-rust` to apply 1 suggestion)
[INFO] [stderr] warning: `scribe-rust` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scribe_rust-e3c5b2c67b8f4c43)
[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] [stderr]    Doc-tests scribe_rust
[INFO] [stdout] 
[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" "48f6bf4ac810c778909e1d1098b8cab9380640a498730ffe8c5c7294cc9c5ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f6bf4ac810c778909e1d1098b8cab9380640a498730ffe8c5c7294cc9c5ecf", kill_on_drop: false }`
[INFO] [stdout] 48f6bf4ac810c778909e1d1098b8cab9380640a498730ffe8c5c7294cc9c5ecf