[INFO] fetching crate preserves-tools 1.0.0...
[INFO] testing preserves-tools-1.0.0 against 1.55.0 for beta-1.56-2
[INFO] extracting crate preserves-tools 1.0.0 into /workspace/builds/worker-118/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-118/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 83fc821149407bd05700d6a0989ea669c22d896b0d8b39cf8bc2d0f154572a07
[INFO] running `Command { std: "docker" "start" "-a" "83fc821149407bd05700d6a0989ea669c22d896b0d8b39cf8bc2d0f154572a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83fc821149407bd05700d6a0989ea669c22d896b0d8b39cf8bc2d0f154572a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fc821149407bd05700d6a0989ea669c22d896b0d8b39cf8bc2d0f154572a07", kill_on_drop: false }`
[INFO] [stdout] 83fc821149407bd05700d6a0989ea669c22d896b0d8b39cf8bc2d0f154572a07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 1d075008b003bb47a4aa08a5e2598aa71f42fcbcfd2279234e91ed8c14622e60
[INFO] running `Command { std: "docker" "start" "-a" "1d075008b003bb47a4aa08a5e2598aa71f42fcbcfd2279234e91ed8c14622e60", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[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 indexmap v1.7.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[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 structopt-derive v0.4.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]    Compiling thiserror v1.0.28
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling clap v3.0.0-beta.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling clap_generate v3.0.0-beta.4
[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 1m 06s
[INFO] running `Command { std: "docker" "inspect" "1d075008b003bb47a4aa08a5e2598aa71f42fcbcfd2279234e91ed8c14622e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d075008b003bb47a4aa08a5e2598aa71f42fcbcfd2279234e91ed8c14622e60", kill_on_drop: false }`
[INFO] [stdout] 1d075008b003bb47a4aa08a5e2598aa71f42fcbcfd2279234e91ed8c14622e60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 0ac4fe42f708ee8521c7d23f0cc5bcef4f82ec643df12ee01075c25a4de1fb1f
[INFO] running `Command { std: "docker" "start" "-a" "0ac4fe42f708ee8521c7d23f0cc5bcef4f82ec643df12ee01075c25a4de1fb1f", 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 4.70s
[INFO] running `Command { std: "docker" "inspect" "0ac4fe42f708ee8521c7d23f0cc5bcef4f82ec643df12ee01075c25a4de1fb1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac4fe42f708ee8521c7d23f0cc5bcef4f82ec643df12ee01075c25a4de1fb1f", kill_on_drop: false }`
[INFO] [stdout] 0ac4fe42f708ee8521c7d23f0cc5bcef4f82ec643df12ee01075c25a4de1fb1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 23f7b7cc3f4db904cdd06a0e89d1944e59a1f49a5295bd77c60a875b9f9f1665
[INFO] running `Command { std: "docker" "start" "-a" "23f7b7cc3f4db904cdd06a0e89d1944e59a1f49a5295bd77c60a875b9f9f1665", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.51s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/preserves_tool-640c97c23d5f4a89)
[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" "23f7b7cc3f4db904cdd06a0e89d1944e59a1f49a5295bd77c60a875b9f9f1665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f7b7cc3f4db904cdd06a0e89d1944e59a1f49a5295bd77c60a875b9f9f1665", kill_on_drop: false }`
[INFO] [stdout] 23f7b7cc3f4db904cdd06a0e89d1944e59a1f49a5295bd77c60a875b9f9f1665