[INFO] fetching crate fold_impls 0.0.0...
[INFO] testing fold_impls-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fold_impls 0.0.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate fold_impls 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fold_impls 0.0.0
[INFO] finished tweaking crates.io crate fold_impls 0.0.0
[INFO] tweaked toml for crates.io crate fold_impls 0.0.0 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dbf08ff6b981262f3b7e5505f753cbf46764bbd0d3fa94dd7dad699aea0ca32
[INFO] running `Command { std: "docker" "start" "-a" "1dbf08ff6b981262f3b7e5505f753cbf46764bbd0d3fa94dd7dad699aea0ca32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dbf08ff6b981262f3b7e5505f753cbf46764bbd0d3fa94dd7dad699aea0ca32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dbf08ff6b981262f3b7e5505f753cbf46764bbd0d3fa94dd7dad699aea0ca32", kill_on_drop: false }`
[INFO] [stdout] 1dbf08ff6b981262f3b7e5505f753cbf46764bbd0d3fa94dd7dad699aea0ca32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 972d5e580f47917d907e9b4e145d516b94e2508f94aa61f03cafe17e27a630db
[INFO] running `Command { std: "docker" "start" "-a" "972d5e580f47917d907e9b4e145d516b94e2508f94aa61f03cafe17e27a630db", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling fold_impls v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.82s
[INFO] running `Command { std: "docker" "inspect" "972d5e580f47917d907e9b4e145d516b94e2508f94aa61f03cafe17e27a630db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "972d5e580f47917d907e9b4e145d516b94e2508f94aa61f03cafe17e27a630db", kill_on_drop: false }`
[INFO] [stdout] 972d5e580f47917d907e9b4e145d516b94e2508f94aa61f03cafe17e27a630db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebc9f8d4d9189fb357f84020c83bb9f1218c16b36393dda3c1c031fbed361f93
[INFO] running `Command { std: "docker" "start" "-a" "ebc9f8d4d9189fb357f84020c83bb9f1218c16b36393dda3c1c031fbed361f93", kill_on_drop: false }`
[INFO] [stderr]    Compiling fold_impls v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "ebc9f8d4d9189fb357f84020c83bb9f1218c16b36393dda3c1c031fbed361f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc9f8d4d9189fb357f84020c83bb9f1218c16b36393dda3c1c031fbed361f93", kill_on_drop: false }`
[INFO] [stdout] ebc9f8d4d9189fb357f84020c83bb9f1218c16b36393dda3c1c031fbed361f93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4fb2945ce4b45fee08962e0e7e3df1cf594611360d5c1aa084649c3e096e9c8d
[INFO] running `Command { std: "docker" "start" "-a" "4fb2945ce4b45fee08962e0e7e3df1cf594611360d5c1aa084649c3e096e9c8d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fold_impls-8073d34809f119ca)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fold_impls
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4fb2945ce4b45fee08962e0e7e3df1cf594611360d5c1aa084649c3e096e9c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb2945ce4b45fee08962e0e7e3df1cf594611360d5c1aa084649c3e096e9c8d", kill_on_drop: false }`
[INFO] [stdout] 4fb2945ce4b45fee08962e0e7e3df1cf594611360d5c1aa084649c3e096e9c8d