[INFO] fetching crate ascii-hangman-backend 5.7.2...
[INFO] checking ascii-hangman-backend-5.7.2 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate ascii-hangman-backend 5.7.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ascii-hangman-backend 5.7.2 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 ascii-hangman-backend 5.7.2
[INFO] finished tweaking crates.io crate ascii-hangman-backend 5.7.2
[INFO] tweaked toml for crates.io crate ascii-hangman-backend 5.7.2 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] [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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linked-hash-map v0.5.6
[INFO] [stderr]   Downloaded serde_yaml v0.8.26
[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] f53cbb3ed37fdf431cdd0a9b043ec525e1c72f4b72b3bffdcd4a87945099df9e
[INFO] running `Command { std: "docker" "start" "-a" "f53cbb3ed37fdf431cdd0a9b043ec525e1c72f4b72b3bffdcd4a87945099df9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f53cbb3ed37fdf431cdd0a9b043ec525e1c72f4b72b3bffdcd4a87945099df9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53cbb3ed37fdf431cdd0a9b043ec525e1c72f4b72b3bffdcd4a87945099df9e", kill_on_drop: false }`
[INFO] [stdout] f53cbb3ed37fdf431cdd0a9b043ec525e1c72f4b72b3bffdcd4a87945099df9e
[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] 4247ded97137ca937bdefb222afca1a559a8a6fc10378219c9184d1b7527e4d9
[INFO] running `Command { std: "docker" "start" "-a" "4247ded97137ca937bdefb222afca1a559a8a6fc10378219c9184d1b7527e4d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking ascii-hangman-backend v5.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]   --> src/image.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::cmp::{Ord, Ordering};
[INFO] [stdout]    |                ^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Ord` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/image.rs:94:15
[INFO] [stdout]    |
[INFO] [stdout] 94 |             i[(x as usize + y as usize * (x_max + 1))] = code;
[INFO] [stdout]    |               ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 94 -             i[(x as usize + y as usize * (x_max + 1))] = code;
[INFO] [stdout] 94 +             i[x as usize + y as usize * (x_max + 1)] = code;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]   --> src/image.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::cmp::{Ord, Ordering};
[INFO] [stdout]    |                ^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Ord` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/image.rs:94:15
[INFO] [stdout]    |
[INFO] [stdout] 94 |             i[(x as usize + y as usize * (x_max + 1))] = code;
[INFO] [stdout]    |               ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 94 -             i[(x as usize + y as usize * (x_max + 1))] = code;
[INFO] [stdout] 94 +             i[x as usize + y as usize * (x_max + 1)] = code;
[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 6.08s
[INFO] running `Command { std: "docker" "inspect" "4247ded97137ca937bdefb222afca1a559a8a6fc10378219c9184d1b7527e4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4247ded97137ca937bdefb222afca1a559a8a6fc10378219c9184d1b7527e4d9", kill_on_drop: false }`
[INFO] [stdout] 4247ded97137ca937bdefb222afca1a559a8a6fc10378219c9184d1b7527e4d9
[INFO] checking ascii-hangman-backend-5.7.2 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate ascii-hangman-backend 5.7.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate ascii-hangman-backend 5.7.2 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 ascii-hangman-backend 5.7.2
[INFO] finished tweaking crates.io crate ascii-hangman-backend 5.7.2
[INFO] tweaked toml for crates.io crate ascii-hangman-backend 5.7.2 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] [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-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] 255c77ca9f9dac8cce406dafe1e7e9fd8724647b84d52930ccfebe8bd00de7d2
[INFO] running `Command { std: "docker" "start" "-a" "255c77ca9f9dac8cce406dafe1e7e9fd8724647b84d52930ccfebe8bd00de7d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "255c77ca9f9dac8cce406dafe1e7e9fd8724647b84d52930ccfebe8bd00de7d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255c77ca9f9dac8cce406dafe1e7e9fd8724647b84d52930ccfebe8bd00de7d2", kill_on_drop: false }`
[INFO] [stdout] 255c77ca9f9dac8cce406dafe1e7e9fd8724647b84d52930ccfebe8bd00de7d2
[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] f94eff476eeebc8854a80374e69c3a4db31a0b335dbecf4097791c438757ca80
[INFO] running `Command { std: "docker" "start" "-a" "f94eff476eeebc8854a80374e69c3a4db31a0b335dbecf4097791c438757ca80", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking ascii-hangman-backend v5.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]   --> src/image.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::cmp::{Ord, Ordering};
[INFO] [stdout]    |                ^^^
[INFO] [stdout]   --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Ord` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/image.rs:94:15
[INFO] [stdout]    |
[INFO] [stdout] 94 |             i[(x as usize + y as usize * (x_max + 1))] = code;
[INFO] [stdout]    |               ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 94 -             i[(x as usize + y as usize * (x_max + 1))] = code;
[INFO] [stdout] 94 +             i[x as usize + y as usize * (x_max + 1)] = code;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]   --> src/image.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::cmp::{Ord, Ordering};
[INFO] [stdout]    |                ^^^
[INFO] [stdout]   --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Ord` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/image.rs:94:15
[INFO] [stdout]    |
[INFO] [stdout] 94 |             i[(x as usize + y as usize * (x_max + 1))] = code;
[INFO] [stdout]    |               ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 94 -             i[(x as usize + y as usize * (x_max + 1))] = code;
[INFO] [stdout] 94 +             i[x as usize + y as usize * (x_max + 1)] = code;
[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 3.71s
[INFO] running `Command { std: "docker" "inspect" "f94eff476eeebc8854a80374e69c3a4db31a0b335dbecf4097791c438757ca80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94eff476eeebc8854a80374e69c3a4db31a0b335dbecf4097791c438757ca80", kill_on_drop: false }`
[INFO] [stdout] f94eff476eeebc8854a80374e69c3a4db31a0b335dbecf4097791c438757ca80
