[INFO] fetching crate tree-index 0.6.1...
[INFO] testing tree-index-0.6.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate tree-index 0.6.1 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate tree-index 0.6.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tree-index 0.6.1
[INFO] finished tweaking crates.io crate tree-index 0.6.1
[INFO] tweaked toml for crates.io crate tree-index 0.6.1 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f44370677f638456b9a4989e6f6998bf8642675b1a7b988cdcd8771c4d208c93
[INFO] running `Command { std: "docker" "start" "-a" "f44370677f638456b9a4989e6f6998bf8642675b1a7b988cdcd8771c4d208c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f44370677f638456b9a4989e6f6998bf8642675b1a7b988cdcd8771c4d208c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44370677f638456b9a4989e6f6998bf8642675b1a7b988cdcd8771c4d208c93", kill_on_drop: false }`
[INFO] [stdout] f44370677f638456b9a4989e6f6998bf8642675b1a7b988cdcd8771c4d208c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffe9cea70b056481eff863426abb1629729136586353766f5c01340071d462a7
[INFO] running `Command { std: "docker" "start" "-a" "ffe9cea70b056481eff863426abb1629729136586353766f5c01340071d462a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memory-pager v0.9.0
[INFO] [stderr]    Compiling flat-tree v5.0.0
[INFO] [stderr]    Compiling sparse-bitfield v0.11.0
[INFO] [stderr]    Compiling tree-index v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |       _ => panic!(format!(
[INFO] [stdout]     |  _________________^
[INFO] [stdout] 332 | |       "Bitshift failure. Received bit {}. Expected 1 or 0",
[INFO] [stdout] 333 | |       n
[INFO] [stdout] 334 | |     )),
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 331 ~     _ => panic!(
[INFO] [stdout] 332 |       "Bitshift failure. Received bit {}. Expected 1 or 0",
[INFO] [stdout] 333 |       n
[INFO] [stdout] 334 ~     ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "ffe9cea70b056481eff863426abb1629729136586353766f5c01340071d462a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe9cea70b056481eff863426abb1629729136586353766f5c01340071d462a7", kill_on_drop: false }`
[INFO] [stdout] ffe9cea70b056481eff863426abb1629729136586353766f5c01340071d462a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61a2cf369235d91efecafb78c02293d7a5ed3a793db813cfbafde21e5405f372
[INFO] running `Command { std: "docker" "start" "-a" "61a2cf369235d91efecafb78c02293d7a5ed3a793db813cfbafde21e5405f372", 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] [stderr]    Compiling tree-index v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |       _ => panic!(format!(
[INFO] [stdout]     |  _________________^
[INFO] [stdout] 332 | |       "Bitshift failure. Received bit {}. Expected 1 or 0",
[INFO] [stdout] 333 | |       n
[INFO] [stdout] 334 | |     )),
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 331 ~     _ => panic!(
[INFO] [stdout] 332 |       "Bitshift failure. Received bit {}. Expected 1 or 0",
[INFO] [stdout] 333 |       n
[INFO] [stdout] 334 ~     ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |       _ => panic!(format!(
[INFO] [stdout]     |  _________________^
[INFO] [stdout] 332 | |       "Bitshift failure. Received bit {}. Expected 1 or 0",
[INFO] [stdout] 333 | |       n
[INFO] [stdout] 334 | |     )),
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:24
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(non_fmt_panics)]` implied by `#[deny(warnings)]`
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 331 ~     _ => panic!(
[INFO] [stdout] 332 |       "Bitshift failure. Received bit {}. Expected 1 or 0",
[INFO] [stdout] 333 |       n
[INFO] [stdout] 334 ~     ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tree-index` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "61a2cf369235d91efecafb78c02293d7a5ed3a793db813cfbafde21e5405f372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a2cf369235d91efecafb78c02293d7a5ed3a793db813cfbafde21e5405f372", kill_on_drop: false }`
[INFO] [stdout] 61a2cf369235d91efecafb78c02293d7a5ed3a793db813cfbafde21e5405f372