[INFO] fetching crate game-save-backuper 0.1.5...
[INFO] checking game-save-backuper-0.1.5 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate game-save-backuper 0.1.5 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate game-save-backuper 0.1.5 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate game-save-backuper 0.1.5
[INFO] finished tweaking crates.io crate game-save-backuper 0.1.5
[INFO] tweaked toml for crates.io crate game-save-backuper 0.1.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate game-save-backuper 0.1.5 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded err-derive v0.3.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.23
[INFO] [stderr]   Downloaded tar v0.4.38
[INFO] [stderr]   Downloaded mio v0.8.0
[INFO] [stderr]   Downloaded xattr v0.2.2
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded rcon v0.6.0
[INFO] [stderr]   Downloaded filetime v0.2.15
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded libc v0.2.117
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f73a69d5bb62d72908e1d07a238f783bed06703ce79de122ef9812aaf1c7452
[INFO] running `Command { std: "docker" "start" "-a" "0f73a69d5bb62d72908e1d07a238f783bed06703ce79de122ef9812aaf1c7452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f73a69d5bb62d72908e1d07a238f783bed06703ce79de122ef9812aaf1c7452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f73a69d5bb62d72908e1d07a238f783bed06703ce79de122ef9812aaf1c7452", kill_on_drop: false }`
[INFO] [stdout] 0f73a69d5bb62d72908e1d07a238f783bed06703ce79de122ef9812aaf1c7452
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d77ec503acb59fab1ace866b78977bc785a2c8b471005ed2a303b2f2af8532f0
[INFO] running `Command { std: "docker" "start" "-a" "d77ec503acb59fab1ace866b78977bc785a2c8b471005ed2a303b2f2af8532f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling err-derive v0.3.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking rcon v0.6.0
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking game-save-backuper v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     main_loop(&mut ctx).await;
[INFO] [stdout]    |                         ----- any code following this expression is unreachable
[INFO] [stdout] 38 |
[INFO] [stdout] 39 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     main_loop(&mut ctx).await;
[INFO] [stdout]    |                         ----- any code following this expression is unreachable
[INFO] [stdout] 38 |
[INFO] [stdout] 39 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` 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 15.51s
[INFO] running `Command { std: "docker" "inspect" "d77ec503acb59fab1ace866b78977bc785a2c8b471005ed2a303b2f2af8532f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77ec503acb59fab1ace866b78977bc785a2c8b471005ed2a303b2f2af8532f0", kill_on_drop: false }`
[INFO] [stdout] d77ec503acb59fab1ace866b78977bc785a2c8b471005ed2a303b2f2af8532f0
[INFO] checking game-save-backuper-0.1.5 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate game-save-backuper 0.1.5 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate game-save-backuper 0.1.5 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate game-save-backuper 0.1.5
[INFO] finished tweaking crates.io crate game-save-backuper 0.1.5
[INFO] tweaked toml for crates.io crate game-save-backuper 0.1.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate game-save-backuper 0.1.5 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 288ca9a0b9d1629d7962dc6023057a3cafba14b4c76f929a197f9b42ee48a82b
[INFO] running `Command { std: "docker" "start" "-a" "288ca9a0b9d1629d7962dc6023057a3cafba14b4c76f929a197f9b42ee48a82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "288ca9a0b9d1629d7962dc6023057a3cafba14b4c76f929a197f9b42ee48a82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288ca9a0b9d1629d7962dc6023057a3cafba14b4c76f929a197f9b42ee48a82b", kill_on_drop: false }`
[INFO] [stdout] 288ca9a0b9d1629d7962dc6023057a3cafba14b4c76f929a197f9b42ee48a82b
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e630044566356d30fbd6a82e26182b5d64813549d50cc876eb756dc7195fc04b
[INFO] running `Command { std: "docker" "start" "-a" "e630044566356d30fbd6a82e26182b5d64813549d50cc876eb756dc7195fc04b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling err-derive v0.3.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking rcon v0.6.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking game-save-backuper v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     main_loop(&mut ctx).await;
[INFO] [stdout]    |                         ----- any code following this expression is unreachable
[INFO] [stdout] 38 |
[INFO] [stdout] 39 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     main_loop(&mut ctx).await;
[INFO] [stdout]    |                         ----- any code following this expression is unreachable
[INFO] [stdout] 38 |
[INFO] [stdout] 39 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_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 15.45s
[INFO] running `Command { std: "docker" "inspect" "e630044566356d30fbd6a82e26182b5d64813549d50cc876eb756dc7195fc04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e630044566356d30fbd6a82e26182b5d64813549d50cc876eb756dc7195fc04b", kill_on_drop: false }`
[INFO] [stdout] e630044566356d30fbd6a82e26182b5d64813549d50cc876eb756dc7195fc04b