[INFO] fetching crate backpack 0.1.0...
[INFO] checking backpack-0.1.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate backpack 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate backpack 0.1.0 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 backpack 0.1.0
[INFO] finished tweaking crates.io crate backpack 0.1.0
[INFO] tweaked toml for crates.io crate backpack 0.1.0 written to /workspace/builds/worker-1-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] 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1fbb6d9aa9e35dc156110d806515e1df7567b08e0c0e602dc92059fa21a4f78b
[INFO] running `Command { std: "docker" "start" "-a" "1fbb6d9aa9e35dc156110d806515e1df7567b08e0c0e602dc92059fa21a4f78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fbb6d9aa9e35dc156110d806515e1df7567b08e0c0e602dc92059fa21a4f78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fbb6d9aa9e35dc156110d806515e1df7567b08e0c0e602dc92059fa21a4f78b", kill_on_drop: false }`
[INFO] [stdout] 1fbb6d9aa9e35dc156110d806515e1df7567b08e0c0e602dc92059fa21a4f78b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ff59e5c6627a1c482098a42654701c7e760abadb9d498bd29b7eff78c6052711
[INFO] running `Command { std: "docker" "start" "-a" "ff59e5c6627a1c482098a42654701c7e760abadb9d498bd29b7eff78c6052711", kill_on_drop: false }`
[INFO] [stderr]     Checking backpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `File` is never used
[INFO] [stdout]  --> src/file.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum File {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `File` is never used
[INFO] [stdout]  --> src/file.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum File {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "ff59e5c6627a1c482098a42654701c7e760abadb9d498bd29b7eff78c6052711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff59e5c6627a1c482098a42654701c7e760abadb9d498bd29b7eff78c6052711", kill_on_drop: false }`
[INFO] [stdout] ff59e5c6627a1c482098a42654701c7e760abadb9d498bd29b7eff78c6052711
[INFO] checking backpack-0.1.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate backpack 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate backpack 0.1.0 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 backpack 0.1.0
[INFO] finished tweaking crates.io crate backpack 0.1.0
[INFO] tweaked toml for crates.io crate backpack 0.1.0 written to /workspace/builds/worker-1-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] 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 69e8cae143d5ae3f4581da75ffc3ddd4e1008daaab3eaaebff957847e1dc66ec
[INFO] running `Command { std: "docker" "start" "-a" "69e8cae143d5ae3f4581da75ffc3ddd4e1008daaab3eaaebff957847e1dc66ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69e8cae143d5ae3f4581da75ffc3ddd4e1008daaab3eaaebff957847e1dc66ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e8cae143d5ae3f4581da75ffc3ddd4e1008daaab3eaaebff957847e1dc66ec", kill_on_drop: false }`
[INFO] [stdout] 69e8cae143d5ae3f4581da75ffc3ddd4e1008daaab3eaaebff957847e1dc66ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2dbfb1723476f13c82e7f5d8d1656b56c95a6060464b209f093fba8a7e44c214
[INFO] running `Command { std: "docker" "start" "-a" "2dbfb1723476f13c82e7f5d8d1656b56c95a6060464b209f093fba8a7e44c214", kill_on_drop: false }`
[INFO] [stderr]     Checking backpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `File` is never used
[INFO] [stdout]  --> src/file.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum File {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `File` is never used
[INFO] [stdout]  --> src/file.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum File {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "2dbfb1723476f13c82e7f5d8d1656b56c95a6060464b209f093fba8a7e44c214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dbfb1723476f13c82e7f5d8d1656b56c95a6060464b209f093fba8a7e44c214", kill_on_drop: false }`
[INFO] [stdout] 2dbfb1723476f13c82e7f5d8d1656b56c95a6060464b209f093fba8a7e44c214
