[INFO] fetching crate bucket_queue 2.0.0...
[INFO] checking bucket_queue-2.0.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bucket_queue 2.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate bucket_queue 2.0.0 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 bucket_queue 2.0.0
[INFO] finished tweaking crates.io crate bucket_queue 2.0.0
[INFO] tweaked toml for crates.io crate bucket_queue 2.0.0 written to /workspace/builds/worker-5-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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e333082216640430bdbf2d7d17c33b5a51c95f7a31b4a45b7e2c71c0ae8c9db
[INFO] running `Command { std: "docker" "start" "-a" "5e333082216640430bdbf2d7d17c33b5a51c95f7a31b4a45b7e2c71c0ae8c9db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e333082216640430bdbf2d7d17c33b5a51c95f7a31b4a45b7e2c71c0ae8c9db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e333082216640430bdbf2d7d17c33b5a51c95f7a31b4a45b7e2c71c0ae8c9db", kill_on_drop: false }`
[INFO] [stdout] 5e333082216640430bdbf2d7d17c33b5a51c95f7a31b4a45b7e2c71c0ae8c9db
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8593d7f8fc5d00789348035eefc374704ffe3127bc16f51abfce7ecdeba71299
[INFO] running `Command { std: "docker" "start" "-a" "8593d7f8fc5d00789348035eefc374704ffe3127bc16f51abfce7ecdeba71299", kill_on_drop: false }`
[INFO] [stderr]     Checking bucket_queue v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `VecDeque` is imported redundantly
[INFO] [stdout]   --> src/bucket/double_ended/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use super::*;
[INFO] [stdout]    |     -------- the item `VecDeque` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 15 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `VecDeque` is imported redundantly
[INFO] [stdout]   --> src/bucket/first_in_first_out/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use super::*;
[INFO] [stdout]    |     -------- the item `VecDeque` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `VecDeque` is imported redundantly
[INFO] [stdout]   --> src/bucket/double_ended/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use super::*;
[INFO] [stdout]    |     -------- the item `VecDeque` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 15 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `VecDeque` is imported redundantly
[INFO] [stdout]   --> src/bucket/first_in_first_out/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use super::*;
[INFO] [stdout]    |     -------- the item `VecDeque` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "8593d7f8fc5d00789348035eefc374704ffe3127bc16f51abfce7ecdeba71299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8593d7f8fc5d00789348035eefc374704ffe3127bc16f51abfce7ecdeba71299", kill_on_drop: false }`
[INFO] [stdout] 8593d7f8fc5d00789348035eefc374704ffe3127bc16f51abfce7ecdeba71299
[INFO] checking bucket_queue-2.0.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate bucket_queue 2.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate bucket_queue 2.0.0 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 bucket_queue 2.0.0
[INFO] finished tweaking crates.io crate bucket_queue 2.0.0
[INFO] tweaked toml for crates.io crate bucket_queue 2.0.0 written to /workspace/builds/worker-5-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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d16c6c16e41156c3f918fd81835848c5232e1c5a27800c4fc9172dc6f9d7cd5
[INFO] running `Command { std: "docker" "start" "-a" "6d16c6c16e41156c3f918fd81835848c5232e1c5a27800c4fc9172dc6f9d7cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d16c6c16e41156c3f918fd81835848c5232e1c5a27800c4fc9172dc6f9d7cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d16c6c16e41156c3f918fd81835848c5232e1c5a27800c4fc9172dc6f9d7cd5", kill_on_drop: false }`
[INFO] [stdout] 6d16c6c16e41156c3f918fd81835848c5232e1c5a27800c4fc9172dc6f9d7cd5
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81f9f83e22c5802898c29959b282caec17bafee2178609acc46092613538aaf5
[INFO] running `Command { std: "docker" "start" "-a" "81f9f83e22c5802898c29959b282caec17bafee2178609acc46092613538aaf5", kill_on_drop: false }`
[INFO] [stderr]     Checking bucket_queue v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `VecDeque` is imported redundantly
[INFO] [stdout]   --> src/bucket/double_ended/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use super::*;
[INFO] [stdout]    |     -------- the item `VecDeque` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 15 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `VecDeque` is imported redundantly
[INFO] [stdout]   --> src/bucket/first_in_first_out/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use super::*;
[INFO] [stdout]    |     -------- the item `VecDeque` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `VecDeque` is imported redundantly
[INFO] [stdout]   --> src/bucket/double_ended/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use super::*;
[INFO] [stdout]    |     -------- the item `VecDeque` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 15 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `VecDeque` is imported redundantly
[INFO] [stdout]   --> src/bucket/first_in_first_out/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use super::*;
[INFO] [stdout]    |     -------- the item `VecDeque` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "81f9f83e22c5802898c29959b282caec17bafee2178609acc46092613538aaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f9f83e22c5802898c29959b282caec17bafee2178609acc46092613538aaf5", kill_on_drop: false }`
[INFO] [stdout] 81f9f83e22c5802898c29959b282caec17bafee2178609acc46092613538aaf5
