[INFO] fetching crate peresil 0.4.0-alpha.0...
[INFO] checking peresil-0.4.0-alpha.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate peresil 0.4.0-alpha.0 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate peresil 0.4.0-alpha.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peresil 0.4.0-alpha.0
[INFO] finished tweaking crates.io crate peresil 0.4.0-alpha.0
[INFO] tweaked toml for crates.io crate peresil 0.4.0-alpha.0 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2cd68874f62e7e9cf69abbde76586e87cfbc5a574cfd35edd5e2653ae19129c
[INFO] running `Command { std: "docker" "start" "-a" "f2cd68874f62e7e9cf69abbde76586e87cfbc5a574cfd35edd5e2653ae19129c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2cd68874f62e7e9cf69abbde76586e87cfbc5a574cfd35edd5e2653ae19129c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2cd68874f62e7e9cf69abbde76586e87cfbc5a574cfd35edd5e2653ae19129c", kill_on_drop: false }`
[INFO] [stdout] f2cd68874f62e7e9cf69abbde76586e87cfbc5a574cfd35edd5e2653ae19129c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 241b6771fbd80d2c3226fc56b2356011c9897c43fe7124613b14dc2bb9c922ea
[INFO] running `Command { std: "docker" "start" "-a" "241b6771fbd80d2c3226fc56b2356011c9897c43fe7124613b14dc2bb9c922ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking peresil v0.4.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/calculator.rs:72:51
[INFO] [stdout]    |
[INFO] [stdout] 72 | type LeftAssociativeRule<'a> = (&'static str, &'a Fn(Expression, Expression) -> Expression);
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Expression, Expression) -> Expression`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "241b6771fbd80d2c3226fc56b2356011c9897c43fe7124613b14dc2bb9c922ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "241b6771fbd80d2c3226fc56b2356011c9897c43fe7124613b14dc2bb9c922ea", kill_on_drop: false }`
[INFO] [stdout] 241b6771fbd80d2c3226fc56b2356011c9897c43fe7124613b14dc2bb9c922ea