[INFO] fetching crate meshuganah 0.2.2...
[INFO] checking meshuganah-0.2.2 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate meshuganah 0.2.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate meshuganah 0.2.2 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate meshuganah 0.2.2
[INFO] finished tweaking crates.io crate meshuganah 0.2.2
[INFO] tweaked toml for crates.io crate meshuganah 0.2.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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" "+90442458ac46b1d5eed752c316da25450f67285b" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a1ae6bc89c06598d41b74dd147f56d959f5cc89180c654ef0e1c70bd6592b7c
[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" "0a1ae6bc89c06598d41b74dd147f56d959f5cc89180c654ef0e1c70bd6592b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a1ae6bc89c06598d41b74dd147f56d959f5cc89180c654ef0e1c70bd6592b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a1ae6bc89c06598d41b74dd147f56d959f5cc89180c654ef0e1c70bd6592b7c", kill_on_drop: false }`
[INFO] [stdout] 0a1ae6bc89c06598d41b74dd147f56d959f5cc89180c654ef0e1c70bd6592b7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28bd0ca72b9423d581a6e8543839c3f0da8a91b4bc7017f172c39a071db94231
[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" "28bd0ca72b9423d581a6e8543839c3f0da8a91b4bc7017f172c39a071db94231", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.126
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[INFO] [stderr]    Compiling serde_with_macros v1.4.2
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking futures-executor v0.3.15
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[INFO] [stderr]     Checking serde_with v1.9.4
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[INFO] [stderr]     Checking grcov v0.5.15
[INFO] [stderr]     Checking mongodb v1.2.2
[INFO] [stderr]     Checking meshuganah v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/repository.rs:145:39
[INFO] [stdout]     |
[INFO] [stdout] 145 |         assert!(found_item.is_none(), true);
[INFO] [stdout]     |                                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` 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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 145 |         assert!(found_item.is_none(), "{}", true);
[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 1m 53s
[INFO] running `Command { std: "docker" "inspect" "28bd0ca72b9423d581a6e8543839c3f0da8a91b4bc7017f172c39a071db94231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28bd0ca72b9423d581a6e8543839c3f0da8a91b4bc7017f172c39a071db94231", kill_on_drop: false }`
[INFO] [stdout] 28bd0ca72b9423d581a6e8543839c3f0da8a91b4bc7017f172c39a071db94231