[INFO] fetching crate flint 2.2.0...
[INFO] checking flint-2.2.0 against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] extracting crate flint 2.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate flint 2.2.0 on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flint 2.2.0
[INFO] finished tweaking crates.io crate flint 2.2.0
[INFO] tweaked toml for crates.io crate flint 2.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e7ec3eefc658a080f873ee9c8345dc8198ccfb64d5240b88872938fdb3589f3
[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" "9e7ec3eefc658a080f873ee9c8345dc8198ccfb64d5240b88872938fdb3589f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e7ec3eefc658a080f873ee9c8345dc8198ccfb64d5240b88872938fdb3589f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7ec3eefc658a080f873ee9c8345dc8198ccfb64d5240b88872938fdb3589f3", kill_on_drop: false }`
[INFO] [stdout] 9e7ec3eefc658a080f873ee9c8345dc8198ccfb64d5240b88872938fdb3589f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ddf1cddc181379b9b6a11bc137efc167d11e27d2f7ad57ba0f3ff49a2144be5c
[INFO] running `Command { std: "docker" "start" "-a" "ddf1cddc181379b9b6a11bc137efc167d11e27d2f7ad57ba0f3ff49a2144be5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking sane v0.2.1
[INFO] [stderr]     Checking flint v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.85s
[INFO] running `Command { std: "docker" "inspect" "ddf1cddc181379b9b6a11bc137efc167d11e27d2f7ad57ba0f3ff49a2144be5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf1cddc181379b9b6a11bc137efc167d11e27d2f7ad57ba0f3ff49a2144be5c", kill_on_drop: false }`
[INFO] [stdout] ddf1cddc181379b9b6a11bc137efc167d11e27d2f7ad57ba0f3ff49a2144be5c