[INFO] fetching crate simple-error 0.2.3...
[INFO] building simple-error-0.2.3 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate simple-error 0.2.3 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate simple-error 0.2.3 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-error 0.2.3
[INFO] finished tweaking crates.io crate simple-error 0.2.3
[INFO] tweaked toml for crates.io crate simple-error 0.2.3 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4860e5136832b9719ecf81fedcafa6deddb64263b55c6dbcc9527f03c47c659
[INFO] running `Command { std: "docker" "start" "-a" "b4860e5136832b9719ecf81fedcafa6deddb64263b55c6dbcc9527f03c47c659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4860e5136832b9719ecf81fedcafa6deddb64263b55c6dbcc9527f03c47c659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4860e5136832b9719ecf81fedcafa6deddb64263b55c6dbcc9527f03c47c659", kill_on_drop: false }`
[INFO] [stdout] b4860e5136832b9719ecf81fedcafa6deddb64263b55c6dbcc9527f03c47c659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b42b5bea328204b3809045f25edf3fec1ef3b413a09de3caff860b2e207ff471
[INFO] running `Command { std: "docker" "start" "-a" "b42b5bea328204b3809045f25edf3fec1ef3b413a09de3caff860b2e207ff471", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-error v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "b42b5bea328204b3809045f25edf3fec1ef3b413a09de3caff860b2e207ff471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42b5bea328204b3809045f25edf3fec1ef3b413a09de3caff860b2e207ff471", kill_on_drop: false }`
[INFO] [stdout] b42b5bea328204b3809045f25edf3fec1ef3b413a09de3caff860b2e207ff471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2d4e62cc69e116fff8451a362a28dfdb5c06997c5271a638dbeaed2fac5ddf0
[INFO] running `Command { std: "docker" "start" "-a" "b2d4e62cc69e116fff8451a362a28dfdb5c06997c5271a638dbeaed2fac5ddf0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling simple-error v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:437:66
[INFO] [stdout]     |
[INFO] [stdout] 437 |     fn bail_block_format_to_box_error(s: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:375:48
[INFO] [stdout]     |
[INFO] [stdout] 375 |         assert_eq!("an error from String", err.description());
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: simple_error, (f25b6989d1066d50, 596a4e21012d4a96), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: simple_error, (c6e9a12cbf74a0d5, 422ae0b96a294dd3), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: simple_error, (f6e4b18bba754024, da254027aacef669), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: simple_error, (e1ec51ee97454c21, 42a37f82c8590369), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: simple_error, (1e7126c23d114029, 2a5916dab2bb348a), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: simple_error, (6f83550d279f58bf, 4c6629e8010f20cc), 0, 0
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "b2d4e62cc69e116fff8451a362a28dfdb5c06997c5271a638dbeaed2fac5ddf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d4e62cc69e116fff8451a362a28dfdb5c06997c5271a638dbeaed2fac5ddf0", kill_on_drop: false }`
[INFO] [stdout] b2d4e62cc69e116fff8451a362a28dfdb5c06997c5271a638dbeaed2fac5ddf0