[INFO] fetching crate preserves-tools 2.3.0...
[INFO] checking preserves-tools-2.3.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate preserves-tools 2.3.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate preserves-tools 2.3.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate preserves-tools 2.3.0
[INFO] finished tweaking crates.io crate preserves-tools 2.3.0
[INFO] tweaked toml for crates.io crate preserves-tools 2.3.0 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate crates.io crate preserves-tools 2.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a814a9dfeb311abf2eea512525f2d1a9996de8df612e38c0803fae8cbac6965
[INFO] running `Command { std: "docker" "start" "-a" "7a814a9dfeb311abf2eea512525f2d1a9996de8df612e38c0803fae8cbac6965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a814a9dfeb311abf2eea512525f2d1a9996de8df612e38c0803fae8cbac6965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a814a9dfeb311abf2eea512525f2d1a9996de8df612e38c0803fae8cbac6965", kill_on_drop: false }`
[INFO] [stdout] 7a814a9dfeb311abf2eea512525f2d1a9996de8df612e38c0803fae8cbac6965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8d9db5b34fae63657a42bacf760d0d49492229a2bf88aef58e572cd7ff47633
[INFO] running `Command { std: "docker" "start" "-a" "e8d9db5b34fae63657a42bacf760d0d49492229a2bf88aef58e572cd7ff47633", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.4.3
[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]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]     Checking clap_generate v3.0.0-beta.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking preserves v2.2.0
[INFO] [stderr]    Compiling preserves-schema v2.3.0
[INFO] [stderr]    Compiling preserves-path v3.0.0
[INFO] [stderr]     Checking preserves-tools v2.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `schema`
[INFO] [stdout]    --> src/bin/preserves-tool.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     schema: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `schema`
[INFO] [stdout]    --> src/bin/preserves-tool.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     schema: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_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 [unoptimized + debuginfo] target(s) in 30.05s
[INFO] running `Command { std: "docker" "inspect" "e8d9db5b34fae63657a42bacf760d0d49492229a2bf88aef58e572cd7ff47633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d9db5b34fae63657a42bacf760d0d49492229a2bf88aef58e572cd7ff47633", kill_on_drop: false }`
[INFO] [stdout] e8d9db5b34fae63657a42bacf760d0d49492229a2bf88aef58e572cd7ff47633