[INFO] fetching crate preserves-tools 1.0.0...
[INFO] testing preserves-tools-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate preserves-tools 1.0.0 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate preserves-tools 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate preserves-tools 1.0.0
[INFO] finished tweaking crates.io crate preserves-tools 1.0.0
[INFO] tweaked toml for crates.io crate preserves-tools 1.0.0 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate crates.io crate preserves-tools 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.28
[INFO] [stderr]   Downloaded thiserror v1.0.28
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded preserves v1.0.0
[INFO] [stderr]   Downloaded clap v3.0.0-beta.4
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] [stderr]   Downloaded textwrap v0.14.2
[INFO] [stderr]   Downloaded num-bigint v0.4.1
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.4
[INFO] [stderr]   Downloaded os_str_bytes v3.1.0
[INFO] [stderr]   Downloaded preserves-schema v1.0.0
[INFO] [stderr]   Downloaded clap_generate v3.0.0-beta.4
[INFO] [stderr]   Downloaded preserves-path v1.0.0
[INFO] [stderr]   Downloaded serde_bytes v0.11.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fb805d75d2166f3a68f4f9340cd195cb3173f60a061ba0a1e0a57030ae93767
[INFO] running `Command { std: "docker" "start" "-a" "0fb805d75d2166f3a68f4f9340cd195cb3173f60a061ba0a1e0a57030ae93767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fb805d75d2166f3a68f4f9340cd195cb3173f60a061ba0a1e0a57030ae93767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb805d75d2166f3a68f4f9340cd195cb3173f60a061ba0a1e0a57030ae93767", kill_on_drop: false }`
[INFO] [stdout] 0fb805d75d2166f3a68f4f9340cd195cb3173f60a061ba0a1e0a57030ae93767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca4c5c9e150ca59ee9072b74b8649dce9406e77affbd5f1ae0e8a152b9ef351e
[INFO] running `Command { std: "docker" "start" "-a" "ca4c5c9e150ca59ee9072b74b8649dce9406e77affbd5f1ae0e8a152b9ef351e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling os_str_bytes v3.1.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.4.1
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling thiserror v1.0.28
[INFO] [stderr]    Compiling clap v3.0.0-beta.4
[INFO] [stderr]    Compiling clap_generate v3.0.0-beta.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling preserves v1.0.0
[INFO] [stderr]    Compiling preserves-schema v1.0.0
[INFO] [stderr]    Compiling preserves-path v1.0.0
[INFO] [stderr]    Compiling preserves-tools v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/bin/preserves-tool.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |             &buf[.. n].copy_from_slice(&self.buf[i .. i + n]);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.24s
[INFO] running `Command { std: "docker" "inspect" "ca4c5c9e150ca59ee9072b74b8649dce9406e77affbd5f1ae0e8a152b9ef351e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4c5c9e150ca59ee9072b74b8649dce9406e77affbd5f1ae0e8a152b9ef351e", kill_on_drop: false }`
[INFO] [stdout] ca4c5c9e150ca59ee9072b74b8649dce9406e77affbd5f1ae0e8a152b9ef351e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d19efdd61f3d9abcc7020b510c9eddc4437a5e3aef2b80ee1d030432b77d07f0
[INFO] running `Command { std: "docker" "start" "-a" "d19efdd61f3d9abcc7020b510c9eddc4437a5e3aef2b80ee1d030432b77d07f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling preserves-tools v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/bin/preserves-tool.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |             &buf[.. n].copy_from_slice(&self.buf[i .. i + n]);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "d19efdd61f3d9abcc7020b510c9eddc4437a5e3aef2b80ee1d030432b77d07f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19efdd61f3d9abcc7020b510c9eddc4437a5e3aef2b80ee1d030432b77d07f0", kill_on_drop: false }`
[INFO] [stdout] d19efdd61f3d9abcc7020b510c9eddc4437a5e3aef2b80ee1d030432b77d07f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2f3b5c914f709c7e43de5b17cabd1d143879bdeb89858a639b9fc0c04c04584
[INFO] running `Command { std: "docker" "start" "-a" "e2f3b5c914f709c7e43de5b17cabd1d143879bdeb89858a639b9fc0c04c04584", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/bin/preserves-tool.rs:286:13
[INFO] [stderr]     |
[INFO] [stderr] 286 |             &buf[.. n].copy_from_slice(&self.buf[i .. i + n]);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `preserves-tools` (bin "preserves-tool" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/preserves_tool-640c97c23d5f4a89)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2f3b5c914f709c7e43de5b17cabd1d143879bdeb89858a639b9fc0c04c04584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f3b5c914f709c7e43de5b17cabd1d143879bdeb89858a639b9fc0c04c04584", kill_on_drop: false }`
[INFO] [stdout] e2f3b5c914f709c7e43de5b17cabd1d143879bdeb89858a639b9fc0c04c04584