[INFO] fetching crate ast2str-lib 1.3.0...
[INFO] checking ast2str-lib-1.3.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate ast2str-lib 1.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ast2str-lib 1.3.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ast2str-lib 1.3.0
[INFO] finished tweaking crates.io crate ast2str-lib 1.3.0
[INFO] tweaked toml for crates.io crate ast2str-lib 1.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2e6bc029c5cb1378288f0adab23502850e7669c4a4b452701f6df8ead280615
[INFO] running `Command { std: "docker" "start" "-a" "a2e6bc029c5cb1378288f0adab23502850e7669c4a4b452701f6df8ead280615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2e6bc029c5cb1378288f0adab23502850e7669c4a4b452701f6df8ead280615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e6bc029c5cb1378288f0adab23502850e7669c4a4b452701f6df8ead280615", kill_on_drop: false }`
[INFO] [stdout] a2e6bc029c5cb1378288f0adab23502850e7669c4a4b452701f6df8ead280615
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50af165140fa2389d597fd08dd4818a99b8ad7746f7543ec1235d91b35b25a41
[INFO] running `Command { std: "docker" "start" "-a" "50af165140fa2389d597fd08dd4818a99b8ad7746f7543ec1235d91b35b25a41", kill_on_drop: false }`
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking ast2str-lib v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stdout] warning: the item `AstToStr` is imported redundantly
[INFO] [stdout]    --> src/builder.rs:449:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |     use super::*;
[INFO] [stdout]     |         -------- the item `AstToStr` is already imported here
[INFO] [stdout] 449 |     use crate::AstToStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "50af165140fa2389d597fd08dd4818a99b8ad7746f7543ec1235d91b35b25a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50af165140fa2389d597fd08dd4818a99b8ad7746f7543ec1235d91b35b25a41", kill_on_drop: false }`
[INFO] [stdout] 50af165140fa2389d597fd08dd4818a99b8ad7746f7543ec1235d91b35b25a41
[INFO] checking ast2str-lib-1.3.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate ast2str-lib 1.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ast2str-lib 1.3.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ast2str-lib 1.3.0
[INFO] finished tweaking crates.io crate ast2str-lib 1.3.0
[INFO] tweaked toml for crates.io crate ast2str-lib 1.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e0dee8267230c54f559025448b6730415f41b848cfe70f0873f7708cdc66fbf
[INFO] running `Command { std: "docker" "start" "-a" "6e0dee8267230c54f559025448b6730415f41b848cfe70f0873f7708cdc66fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e0dee8267230c54f559025448b6730415f41b848cfe70f0873f7708cdc66fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e0dee8267230c54f559025448b6730415f41b848cfe70f0873f7708cdc66fbf", kill_on_drop: false }`
[INFO] [stdout] 6e0dee8267230c54f559025448b6730415f41b848cfe70f0873f7708cdc66fbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7ea30e8e3e4b5f26faf6df15329f02535280715220d068dd59639b18900c05b
[INFO] running `Command { std: "docker" "start" "-a" "c7ea30e8e3e4b5f26faf6df15329f02535280715220d068dd59639b18900c05b", kill_on_drop: false }`
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking ast2str-lib v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stdout] warning: the item `AstToStr` is imported redundantly
[INFO] [stdout]    --> src/builder.rs:449:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |     use super::*;
[INFO] [stdout]     |         -------- the item `AstToStr` is already imported here
[INFO] [stdout] 449 |     use crate::AstToStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "c7ea30e8e3e4b5f26faf6df15329f02535280715220d068dd59639b18900c05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ea30e8e3e4b5f26faf6df15329f02535280715220d068dd59639b18900c05b", kill_on_drop: false }`
[INFO] [stdout] c7ea30e8e3e4b5f26faf6df15329f02535280715220d068dd59639b18900c05b
