[INFO] fetching crate bitness 0.4.0...
[INFO] checking bitness-0.4.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bitness 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate bitness 0.4.0 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 bitness 0.4.0
[INFO] finished tweaking crates.io crate bitness 0.4.0
[INFO] tweaked toml for crates.io crate bitness 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate bitness 0.4.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uname v0.1.1
[INFO] [stderr]   Downloaded backtrace v0.3.54
[INFO] [stderr]   Downloaded sysctl v0.4.0
[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] 21083caefea81f57368022c71ade917112cc24292605cf442f63f37fb4860728
[INFO] running `Command { std: "docker" "start" "-a" "21083caefea81f57368022c71ade917112cc24292605cf442f63f37fb4860728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21083caefea81f57368022c71ade917112cc24292605cf442f63f37fb4860728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21083caefea81f57368022c71ade917112cc24292605cf442f63f37fb4860728", kill_on_drop: false }`
[INFO] [stdout] 21083caefea81f57368022c71ade917112cc24292605cf442f63f37fb4860728
[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] 201c669fca8e899f3405357baee1892de0af59ae4f307f3797d39c8df1928335
[INFO] running `Command { std: "docker" "start" "-a" "201c669fca8e899f3405357baee1892de0af59ae4f307f3797d39c8df1928335", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking bitness v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `uname` is imported redundantly
[INFO] [stdout]  --> src/unix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use uname;
[INFO] [stdout]   |     ^^^^^ the item `uname` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `uname` is imported redundantly
[INFO] [stdout]  --> src/unix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use uname;
[INFO] [stdout]   |     ^^^^^ the item `uname` is already defined here
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `Command { std: "docker" "inspect" "201c669fca8e899f3405357baee1892de0af59ae4f307f3797d39c8df1928335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "201c669fca8e899f3405357baee1892de0af59ae4f307f3797d39c8df1928335", kill_on_drop: false }`
[INFO] [stdout] 201c669fca8e899f3405357baee1892de0af59ae4f307f3797d39c8df1928335
[INFO] checking bitness-0.4.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate bitness 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate bitness 0.4.0 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 bitness 0.4.0
[INFO] finished tweaking crates.io crate bitness 0.4.0
[INFO] tweaked toml for crates.io crate bitness 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate bitness 0.4.0 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-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] 065dd888097cf96c8ff3aa9a94a45458f991fb57a26af8bbc134139c8cc07ea2
[INFO] running `Command { std: "docker" "start" "-a" "065dd888097cf96c8ff3aa9a94a45458f991fb57a26af8bbc134139c8cc07ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "065dd888097cf96c8ff3aa9a94a45458f991fb57a26af8bbc134139c8cc07ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "065dd888097cf96c8ff3aa9a94a45458f991fb57a26af8bbc134139c8cc07ea2", kill_on_drop: false }`
[INFO] [stdout] 065dd888097cf96c8ff3aa9a94a45458f991fb57a26af8bbc134139c8cc07ea2
[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] 047cfa9824eed075d8f082884b0debd9e1f95bf9124d7f98a4a292e2b7ca3034
[INFO] running `Command { std: "docker" "start" "-a" "047cfa9824eed075d8f082884b0debd9e1f95bf9124d7f98a4a292e2b7ca3034", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking bitness v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `uname` is imported redundantly
[INFO] [stdout]  --> src/unix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use uname;
[INFO] [stdout]   |     ^^^^^ the item `uname` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `uname` is imported redundantly
[INFO] [stdout]  --> src/unix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use uname;
[INFO] [stdout]   |     ^^^^^ the item `uname` is already defined here
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "047cfa9824eed075d8f082884b0debd9e1f95bf9124d7f98a4a292e2b7ca3034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047cfa9824eed075d8f082884b0debd9e1f95bf9124d7f98a4a292e2b7ca3034", kill_on_drop: false }`
[INFO] [stdout] 047cfa9824eed075d8f082884b0debd9e1f95bf9124d7f98a4a292e2b7ca3034
