[INFO] crate preftool 0.2.0 is already in cache
[INFO] testing preftool-0.2.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate preftool 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate preftool 0.2.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate preftool 0.2.0
[INFO] finished tweaking crates.io crate preftool 0.2.0
[INFO] tweaked toml for crates.io crate preftool 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] 4b7f345b10a76188c6ba78bde74ae9892f5bc5dba8889f862c1fda95d77635ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4b7f345b10a76188c6ba78bde74ae9892f5bc5dba8889f862c1fda95d77635ce"`
[INFO] [stderr]    Compiling preftool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "4b7f345b10a76188c6ba78bde74ae9892f5bc5dba8889f862c1fda95d77635ce"`
[INFO] running `"docker" "rm" "-f" "4b7f345b10a76188c6ba78bde74ae9892f5bc5dba8889f862c1fda95d77635ce"`
[INFO] [stdout] 4b7f345b10a76188c6ba78bde74ae9892f5bc5dba8889f862c1fda95d77635ce
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b0d439cea935c001b0df25c79695d8269adb8163563e0188550ad83e3518a1fa
[INFO] running `"docker" "start" "-a" "b0d439cea935c001b0df25c79695d8269adb8163563e0188550ad83e3518a1fa"`
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]    Compiling preftool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `"docker" "inspect" "b0d439cea935c001b0df25c79695d8269adb8163563e0188550ad83e3518a1fa"`
[INFO] running `"docker" "rm" "-f" "b0d439cea935c001b0df25c79695d8269adb8163563e0188550ad83e3518a1fa"`
[INFO] [stdout] b0d439cea935c001b0df25c79695d8269adb8163563e0188550ad83e3518a1fa
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8fb4caac58dd5bb996767f051c44c75882b2729d78cc581fbe409451ebfcde8f
[INFO] running `"docker" "start" "-a" "8fb4caac58dd5bb996767f051c44c75882b2729d78cc581fbe409451ebfcde8f"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/preftool-0b367ad9d7e5c899
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests preftool
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/strings.rs - strings::ConfigKey::combine (line 97) ... ok
[INFO] [stdout] test src/strings.rs - strings::ConfigKey::parent (line 70) ... ok
[INFO] [stdout] test src/strings.rs - strings::ConfigKey::section_key (line 44) ... ok
[INFO] [stdout] test src/strings.rs - strings::ConfigKey::join (line 125) ... ok
[INFO] [stdout] test src/strings.rs - strings::ConfigKey::unsafe_from (line 166) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8fb4caac58dd5bb996767f051c44c75882b2729d78cc581fbe409451ebfcde8f"`
[INFO] running `"docker" "rm" "-f" "8fb4caac58dd5bb996767f051c44c75882b2729d78cc581fbe409451ebfcde8f"`
[INFO] [stdout] 8fb4caac58dd5bb996767f051c44c75882b2729d78cc581fbe409451ebfcde8f