[INFO] fetching crate ben 0.2.0...
[INFO] checking ben-0.2.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate ben 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ben 0.2.0 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 ben 0.2.0
[INFO] finished tweaking crates.io crate ben 0.2.0
[INFO] tweaked toml for crates.io crate ben 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate ben 0.2.0 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 22bc9f92073cd7ef4d8065ba72bf5b0b947678b40a9156eb6dd4e7f2ec58c286
[INFO] running `Command { std: "docker" "start" "-a" "22bc9f92073cd7ef4d8065ba72bf5b0b947678b40a9156eb6dd4e7f2ec58c286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22bc9f92073cd7ef4d8065ba72bf5b0b947678b40a9156eb6dd4e7f2ec58c286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22bc9f92073cd7ef4d8065ba72bf5b0b947678b40a9156eb6dd4e7f2ec58c286", kill_on_drop: false }`
[INFO] [stdout] 22bc9f92073cd7ef4d8065ba72bf5b0b947678b40a9156eb6dd4e7f2ec58c286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 78f6805c366a6a07dbd73eb2d7b11745ca2fa02ba003e587d4f13169dd7638d2
[INFO] running `Command { std: "docker" "start" "-a" "78f6805c366a6a07dbd73eb2d7b11745ca2fa02ba003e587d4f13169dd7638d2", kill_on_drop: false }`
[INFO] [stderr]     Checking ben v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]    --> src/decode.rs:632:9
[INFO] [stdout]     |
[INFO] [stdout] 630 |     use super::*;
[INFO] [stdout]     |         -------- the item `Error` is already imported here
[INFO] [stdout] 631 |     use crate::parse::*;
[INFO] [stdout] 632 |     use crate::Error;
[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 0.21s
[INFO] running `Command { std: "docker" "inspect" "78f6805c366a6a07dbd73eb2d7b11745ca2fa02ba003e587d4f13169dd7638d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f6805c366a6a07dbd73eb2d7b11745ca2fa02ba003e587d4f13169dd7638d2", kill_on_drop: false }`
[INFO] [stdout] 78f6805c366a6a07dbd73eb2d7b11745ca2fa02ba003e587d4f13169dd7638d2
[INFO] checking ben-0.2.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate ben 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate ben 0.2.0 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 ben 0.2.0
[INFO] finished tweaking crates.io crate ben 0.2.0
[INFO] tweaked toml for crates.io crate ben 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate ben 0.2.0 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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7ae33b67e1e7731823d375b9fce10a606d0ef2b40d41810a04683bcf5bbe1c18
[INFO] running `Command { std: "docker" "start" "-a" "7ae33b67e1e7731823d375b9fce10a606d0ef2b40d41810a04683bcf5bbe1c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ae33b67e1e7731823d375b9fce10a606d0ef2b40d41810a04683bcf5bbe1c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae33b67e1e7731823d375b9fce10a606d0ef2b40d41810a04683bcf5bbe1c18", kill_on_drop: false }`
[INFO] [stdout] 7ae33b67e1e7731823d375b9fce10a606d0ef2b40d41810a04683bcf5bbe1c18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 308efaee475b3781f484e5182270437d9e2f0f6e4ac62bfdafcb9b3e95045ba0
[INFO] running `Command { std: "docker" "start" "-a" "308efaee475b3781f484e5182270437d9e2f0f6e4ac62bfdafcb9b3e95045ba0", kill_on_drop: false }`
[INFO] [stderr]     Checking ben v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]    --> src/decode.rs:632:9
[INFO] [stdout]     |
[INFO] [stdout] 630 |     use super::*;
[INFO] [stdout]     |         -------- the item `Error` is already imported here
[INFO] [stdout] 631 |     use crate::parse::*;
[INFO] [stdout] 632 |     use crate::Error;
[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 0.22s
[INFO] running `Command { std: "docker" "inspect" "308efaee475b3781f484e5182270437d9e2f0f6e4ac62bfdafcb9b3e95045ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308efaee475b3781f484e5182270437d9e2f0f6e4ac62bfdafcb9b3e95045ba0", kill_on_drop: false }`
[INFO] [stdout] 308efaee475b3781f484e5182270437d9e2f0f6e4ac62bfdafcb9b3e95045ba0
