[INFO] fetching crate slack-bk 0.1.0...
[INFO] checking slack-bk-0.1.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate slack-bk 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate slack-bk 0.1.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slack-bk 0.1.0
[INFO] finished tweaking crates.io crate slack-bk 0.1.0
[INFO] tweaked toml for crates.io crate slack-bk 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate slack-bk 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b42109a1279c364851e03f255f7b3e9c2f7d6ee149f1092f0535b5f7adcf39d1
[INFO] running `Command { std: "docker" "start" "-a" "b42109a1279c364851e03f255f7b3e9c2f7d6ee149f1092f0535b5f7adcf39d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b42109a1279c364851e03f255f7b3e9c2f7d6ee149f1092f0535b5f7adcf39d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42109a1279c364851e03f255f7b3e9c2f7d6ee149f1092f0535b5f7adcf39d1", kill_on_drop: false }`
[INFO] [stdout] b42109a1279c364851e03f255f7b3e9c2f7d6ee149f1092f0535b5f7adcf39d1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf9165259ae2c71e8ea09448d5f995b0e73f489c780043bc2dfcc0b6a128cd84
[INFO] running `Command { std: "docker" "start" "-a" "bf9165259ae2c71e8ea09448d5f995b0e73f489c780043bc2dfcc0b6a128cd84", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking slack-bk v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/elements.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/message.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/composition.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/surfaces.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/blocks.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.48s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking slack-bk v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "bf9165259ae2c71e8ea09448d5f995b0e73f489c780043bc2dfcc0b6a128cd84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9165259ae2c71e8ea09448d5f995b0e73f489c780043bc2dfcc0b6a128cd84", kill_on_drop: false }`
[INFO] [stdout] bf9165259ae2c71e8ea09448d5f995b0e73f489c780043bc2dfcc0b6a128cd84