[INFO] fetching crate sweeper 1.0.0-rc3...
[INFO] checking sweeper-1.0.0-rc3 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate sweeper 1.0.0-rc3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sweeper 1.0.0-rc3 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 sweeper 1.0.0-rc3
[INFO] finished tweaking crates.io crate sweeper 1.0.0-rc3
[INFO] tweaked toml for crates.io crate sweeper 1.0.0-rc3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 82f636eb0aad6b7800d1723f4439a27d4783934d6359f09402cd12444891146d
[INFO] running `Command { std: "docker" "start" "-a" "82f636eb0aad6b7800d1723f4439a27d4783934d6359f09402cd12444891146d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82f636eb0aad6b7800d1723f4439a27d4783934d6359f09402cd12444891146d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f636eb0aad6b7800d1723f4439a27d4783934d6359f09402cd12444891146d", kill_on_drop: false }`
[INFO] [stdout] 82f636eb0aad6b7800d1723f4439a27d4783934d6359f09402cd12444891146d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 92f5f0c0ee4bba75fa7016d7f6b3a23bfe5b55298dc0d59f4bf2b35939412022
[INFO] running `Command { std: "docker" "start" "-a" "92f5f0c0ee4bba75fa7016d7f6b3a23bfe5b55298dc0d59f4bf2b35939412022", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sweeper v1.0.0-rc3 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/field.rs:575:49
[INFO] [stdout]     |
[INFO] [stdout] 575 |         enum StructField { Storage, Dimensions };
[INFO] [stdout]     |                                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/field.rs:575:49
[INFO] [stdout]     |
[INFO] [stdout] 575 |         enum StructField { Storage, Dimensions };
[INFO] [stdout]     |                                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.81s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking sweeper v1.0.0-rc3 (/tmp/fixit)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/field.rs:575:49
[INFO] [stdout]     |
[INFO] [stdout] 575 |         enum StructField { Storage, Dimensions };
[INFO] [stdout]     |                                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/field.rs:575:49
[INFO] [stdout]     |
[INFO] [stdout] 575 |         enum StructField { Storage, Dimensions };
[INFO] [stdout]     |                                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "92f5f0c0ee4bba75fa7016d7f6b3a23bfe5b55298dc0d59f4bf2b35939412022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f5f0c0ee4bba75fa7016d7f6b3a23bfe5b55298dc0d59f4bf2b35939412022", kill_on_drop: false }`
[INFO] [stdout] 92f5f0c0ee4bba75fa7016d7f6b3a23bfe5b55298dc0d59f4bf2b35939412022