[INFO] fetching crate anyways 0.3.0...
[INFO] checking anyways-0.3.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate anyways 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate anyways 0.3.0 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 anyways 0.3.0
[INFO] finished tweaking crates.io crate anyways 0.3.0
[INFO] tweaked toml for crates.io crate anyways 0.3.0 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] 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] ace7c02a5526d021fce141436b26e9827d4cf173b32825d59baa0189b5e9325f
[INFO] running `Command { std: "docker" "start" "-a" "ace7c02a5526d021fce141436b26e9827d4cf173b32825d59baa0189b5e9325f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ace7c02a5526d021fce141436b26e9827d4cf173b32825d59baa0189b5e9325f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace7c02a5526d021fce141436b26e9827d4cf173b32825d59baa0189b5e9325f", kill_on_drop: false }`
[INFO] [stdout] ace7c02a5526d021fce141436b26e9827d4cf173b32825d59baa0189b5e9325f
[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] c75e0fc20eb5c4c36d05376cc4ab3256618647d342c52a04efe878e75aaf383c
[INFO] running `Command { std: "docker" "start" "-a" "c75e0fc20eb5c4c36d05376cc4ab3256618647d342c52a04efe878e75aaf383c", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking anyways v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Style`
[INFO] [stdout]   --> src/lib.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | use owo_colors::{Style};
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Style`
[INFO] [stdout]   --> src/lib.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | use owo_colors::{Style};
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     use std::fs::File;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/formatter.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Formatter, Write};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/formatter.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Formatter, Write};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/formatter.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let mut fill = " ".repeat(max_width.saturating_sub(get_length(&line)));
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/formatter.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let mut fill = " ".repeat(max_width.saturating_sub(get_length(&line)));
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "c75e0fc20eb5c4c36d05376cc4ab3256618647d342c52a04efe878e75aaf383c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c75e0fc20eb5c4c36d05376cc4ab3256618647d342c52a04efe878e75aaf383c", kill_on_drop: false }`
[INFO] [stdout] c75e0fc20eb5c4c36d05376cc4ab3256618647d342c52a04efe878e75aaf383c
[INFO] checking anyways-0.3.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate anyways 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate anyways 0.3.0 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 anyways 0.3.0
[INFO] finished tweaking crates.io crate anyways 0.3.0
[INFO] tweaked toml for crates.io crate anyways 0.3.0 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]     Blocking waiting for file lock on package cache
[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] 45057346a5b8117c34e357fc22d6e07101036232eee593fbecbb7ff27ea0b5a2
[INFO] running `Command { std: "docker" "start" "-a" "45057346a5b8117c34e357fc22d6e07101036232eee593fbecbb7ff27ea0b5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45057346a5b8117c34e357fc22d6e07101036232eee593fbecbb7ff27ea0b5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45057346a5b8117c34e357fc22d6e07101036232eee593fbecbb7ff27ea0b5a2", kill_on_drop: false }`
[INFO] [stdout] 45057346a5b8117c34e357fc22d6e07101036232eee593fbecbb7ff27ea0b5a2
[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] 05d3673fac752add634581c66eb9c1ecb9509251f929bca682a0cbbe89421465
[INFO] running `Command { std: "docker" "start" "-a" "05d3673fac752add634581c66eb9c1ecb9509251f929bca682a0cbbe89421465", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking anyways v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Style`
[INFO] [stdout]   --> src/lib.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | use owo_colors::{Style};
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Style`
[INFO] [stdout]   --> src/lib.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | use owo_colors::{Style};
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     use std::fs::File;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/formatter.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Formatter, Write};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/formatter.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Formatter, Write};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/formatter.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let mut fill = " ".repeat(max_width.saturating_sub(get_length(&line)));
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/formatter.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let mut fill = " ".repeat(max_width.saturating_sub(get_length(&line)));
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "05d3673fac752add634581c66eb9c1ecb9509251f929bca682a0cbbe89421465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d3673fac752add634581c66eb9c1ecb9509251f929bca682a0cbbe89421465", kill_on_drop: false }`
[INFO] [stdout] 05d3673fac752add634581c66eb9c1ecb9509251f929bca682a0cbbe89421465
