[INFO] fetching crate mdbook-journal 0.4.0...
[INFO] checking mdbook-journal-0.4.0 against master#bfc05d6b072585dfd0c792ec1b8728c08a3511fe for pr-154149
[INFO] extracting crate mdbook-journal 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate mdbook-journal 0.4.0
[INFO] finished tweaking crates.io crate mdbook-journal 0.4.0
[INFO] tweaked toml for crates.io crate mdbook-journal 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook-journal 0.4.0 on toolchain bfc05d6b072585dfd0c792ec1b8728c08a3511fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfc05d6b072585dfd0c792ec1b8728c08a3511fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mdbook-journal 0.4.0 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" "+bfc05d6b072585dfd0c792ec1b8728c08a3511fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+bfc05d6b072585dfd0c792ec1b8728c08a3511fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87560308d06956edc48a3cdca56e731c02577fccb45c7b950ca1032cd2b970c5
[INFO] running `Command { std: "docker" "start" "-a" "87560308d06956edc48a3cdca56e731c02577fccb45c7b950ca1032cd2b970c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87560308d06956edc48a3cdca56e731c02577fccb45c7b950ca1032cd2b970c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87560308d06956edc48a3cdca56e731c02577fccb45c7b950ca1032cd2b970c5", kill_on_drop: false }`
[INFO] [stdout] 87560308d06956edc48a3cdca56e731c02577fccb45c7b950ca1032cd2b970c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+bfc05d6b072585dfd0c792ec1b8728c08a3511fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "f666b70b05c15d6a87993ad102a33cb0a0005365de114e48a57c09d1e7292e7c", kill_on_drop: false }`
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[INFO] [stderr]     Checking mdbook-journal v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]  --> benches/benches.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/benches.rs:13:56
[INFO] [stdout]    |
[INFO] [stdout] 13 |     c.bench_function("fib 20", |b| b.iter(|| fibonacci(black_box(20))));
[INFO] [stdout]    |                                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "f666b70b05c15d6a87993ad102a33cb0a0005365de114e48a57c09d1e7292e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f666b70b05c15d6a87993ad102a33cb0a0005365de114e48a57c09d1e7292e7c", kill_on_drop: false }`
[INFO] [stdout] f666b70b05c15d6a87993ad102a33cb0a0005365de114e48a57c09d1e7292e7c