[INFO] fetching crate bookkeeping 0.6.3...
[INFO] checking bookkeeping-0.6.3 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate bookkeeping 0.6.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate bookkeeping 0.6.3 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bookkeeping 0.6.3
[INFO] finished tweaking crates.io crate bookkeeping 0.6.3
[INFO] tweaked toml for crates.io crate bookkeeping 0.6.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ba28ecefbef09dcc0a10fa09733eb721288b4b520eb5be1d4b5ffb28071721c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ba28ecefbef09dcc0a10fa09733eb721288b4b520eb5be1d4b5ffb28071721c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ba28ecefbef09dcc0a10fa09733eb721288b4b520eb5be1d4b5ffb28071721c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ba28ecefbef09dcc0a10fa09733eb721288b4b520eb5be1d4b5ffb28071721c", kill_on_drop: false }`
[INFO] [stdout] 9ba28ecefbef09dcc0a10fa09733eb721288b4b520eb5be1d4b5ffb28071721c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd561297b8654b3220d4cda2e8a672d86f4de818e211b25a03515e372ecffc23
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd561297b8654b3220d4cda2e8a672d86f4de818e211b25a03515e372ecffc23", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking envmnt v0.8.4
[INFO] [stderr]     Checking ci_info v0.10.2
[INFO] [stderr]    Compiling slotmap v1.0.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking bookkeeping v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/book.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |             format!("No account found for key {:?}", key),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/book.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |             format!("No account found for key {:?}", key),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.73s
[INFO] running `Command { std: "docker" "inspect" "bd561297b8654b3220d4cda2e8a672d86f4de818e211b25a03515e372ecffc23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd561297b8654b3220d4cda2e8a672d86f4de818e211b25a03515e372ecffc23", kill_on_drop: false }`
[INFO] [stdout] bd561297b8654b3220d4cda2e8a672d86f4de818e211b25a03515e372ecffc23