[INFO] cloning repository https://github.com/rust-lang-nursery/polonius
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang-nursery/polonius" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fpolonius", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fpolonius'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a80bd0068d30d570c110a77d109e4a04a042bffb
[INFO] checking rust-lang-nursery/polonius against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fpolonius" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/polonius on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rust-lang-nursery/polonius
[INFO] finished tweaking git repo https://github.com/rust-lang-nursery/polonius
[INFO] tweaked toml for git repo https://github.com/rust-lang-nursery/polonius written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang-nursery/polonius already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/polonius-engine/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded datafrog v2.0.1
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded pico-args v0.2.0
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf95760dae9193e581530d246069d31e3146193c77d33b80ce39db4242d7277e
[INFO] running `Command { std: "docker" "start" "-a" "cf95760dae9193e581530d246069d31e3146193c77d33b80ce39db4242d7277e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf95760dae9193e581530d246069d31e3146193c77d33b80ce39db4242d7277e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf95760dae9193e581530d246069d31e3146193c77d33b80ce39db4242d7277e", kill_on_drop: false }`
[INFO] [stdout] cf95760dae9193e581530d246069d31e3146193c77d33b80ce39db4242d7277e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cef5f2c6e15669ded816e39f7bb7f1d2fbde014659f2456e9a7df80abaf21074
[INFO] running `Command { std: "docker" "start" "-a" "cef5f2c6e15669ded816e39f7bb7f1d2fbde014659f2456e9a7df80abaf21074", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/polonius-engine/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking datafrog v2.0.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking pico-args v0.2.0
[INFO] [stderr]     Checking polonius-parser v0.5.0 (/opt/rustwide/workdir/polonius-parser)
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking polonius-engine v0.13.0 (/opt/rustwide/workdir/polonius-engine)
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking polonius v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "cef5f2c6e15669ded816e39f7bb7f1d2fbde014659f2456e9a7df80abaf21074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef5f2c6e15669ded816e39f7bb7f1d2fbde014659f2456e9a7df80abaf21074", kill_on_drop: false }`
[INFO] [stdout] cef5f2c6e15669ded816e39f7bb7f1d2fbde014659f2456e9a7df80abaf21074
[INFO] checking rust-lang-nursery/polonius against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fpolonius" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/polonius on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rust-lang-nursery/polonius
[INFO] finished tweaking git repo https://github.com/rust-lang-nursery/polonius
[INFO] tweaked toml for git repo https://github.com/rust-lang-nursery/polonius written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang-nursery/polonius already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-5-tc2/source/polonius-engine/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 467ab6489d8e6b920f7004e529dabe1d8f68cf106bf5684811f72b698993053f
[INFO] running `Command { std: "docker" "start" "-a" "467ab6489d8e6b920f7004e529dabe1d8f68cf106bf5684811f72b698993053f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "467ab6489d8e6b920f7004e529dabe1d8f68cf106bf5684811f72b698993053f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "467ab6489d8e6b920f7004e529dabe1d8f68cf106bf5684811f72b698993053f", kill_on_drop: false }`
[INFO] [stdout] 467ab6489d8e6b920f7004e529dabe1d8f68cf106bf5684811f72b698993053f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d64c5d62e0d37a8f009155c4d8687aae553b5ed5a9328bc0f7ac5ad9ea3f34c
[INFO] running `Command { std: "docker" "start" "-a" "6d64c5d62e0d37a8f009155c4d8687aae553b5ed5a9328bc0f7ac5ad9ea3f34c", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/polonius-engine/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking datafrog v2.0.1
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking pico-args v0.2.0
[INFO] [stderr]     Checking polonius-parser v0.5.0 (/opt/rustwide/workdir/polonius-parser)
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking polonius-engine v0.13.0 (/opt/rustwide/workdir/polonius-engine)
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking polonius v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "6d64c5d62e0d37a8f009155c4d8687aae553b5ed5a9328bc0f7ac5ad9ea3f34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d64c5d62e0d37a8f009155c4d8687aae553b5ed5a9328bc0f7ac5ad9ea3f34c", kill_on_drop: false }`
[INFO] [stdout] 6d64c5d62e0d37a8f009155c4d8687aae553b5ed5a9328bc0f7ac5ad9ea3f34c