[INFO] fetching crate flask 2.0.3...
[INFO] checking flask-2.0.3 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate flask 2.0.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate flask 2.0.3 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flask 2.0.3
[INFO] finished tweaking crates.io crate flask 2.0.3
[INFO] tweaked toml for crates.io crate flask 2.0.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55cafa8d0f13bb0c7afc61ae3260eec0c40a4fbc6ccb25832a6e1eaacde61f3f
[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" "55cafa8d0f13bb0c7afc61ae3260eec0c40a4fbc6ccb25832a6e1eaacde61f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55cafa8d0f13bb0c7afc61ae3260eec0c40a4fbc6ccb25832a6e1eaacde61f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55cafa8d0f13bb0c7afc61ae3260eec0c40a4fbc6ccb25832a6e1eaacde61f3f", kill_on_drop: false }`
[INFO] [stdout] 55cafa8d0f13bb0c7afc61ae3260eec0c40a4fbc6ccb25832a6e1eaacde61f3f
[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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b77cadca6a8d50efabbf972ee54cd40e3da4d687c80ba1999409c3c4e4355520
[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" "b77cadca6a8d50efabbf972ee54cd40e3da4d687c80ba1999409c3c4e4355520", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking flask v2.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling extend v0.1.2
[INFO] [stderr]     Checking assert-json-diff v1.1.0
[INFO] [stderr]     Checking mockito v0.28.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.51s
[INFO] running `Command { std: "docker" "inspect" "b77cadca6a8d50efabbf972ee54cd40e3da4d687c80ba1999409c3c4e4355520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b77cadca6a8d50efabbf972ee54cd40e3da4d687c80ba1999409c3c4e4355520", kill_on_drop: false }`
[INFO] [stdout] b77cadca6a8d50efabbf972ee54cd40e3da4d687c80ba1999409c3c4e4355520