[INFO] fetching crate libssg 0.1.1...
[INFO] checking libssg-0.1.1 against try#7306d3110618f84a6a4662b9e2cc4fd0d9b02da8 for pr-97346
[INFO] extracting crate libssg 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate libssg 0.1.1 on toolchain 7306d3110618f84a6a4662b9e2cc4fd0d9b02da8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libssg 0.1.1
[INFO] finished tweaking crates.io crate libssg 0.1.1
[INFO] tweaked toml for crates.io crate libssg 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate libssg 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 179c8b0a1f96a4f1ca7174ddc64bf7d88dc66f77698e3d52badb96b5ea22aaea
[INFO] running `Command { std: "docker" "start" "-a" "179c8b0a1f96a4f1ca7174ddc64bf7d88dc66f77698e3d52badb96b5ea22aaea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "179c8b0a1f96a4f1ca7174ddc64bf7d88dc66f77698e3d52badb96b5ea22aaea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179c8b0a1f96a4f1ca7174ddc64bf7d88dc66f77698e3d52badb96b5ea22aaea", kill_on_drop: false }`
[INFO] [stdout] 179c8b0a1f96a4f1ca7174ddc64bf7d88dc66f77698e3d52badb96b5ea22aaea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2270ae111b50fe56239820ae9159184a2c93b01aa7b418f8e7afea1379075d0c
[INFO] running `Command { std: "docker" "start" "-a" "2270ae111b50fe56239820ae9159184a2c93b01aa7b418f8e7afea1379075d0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking handlebars v3.0.1
[INFO] [stderr]     Checking libssg v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `blocks`
[INFO] [stdout]   --> src/compilers.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         blocks: Value,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `PandocJsonOutput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compilers.rs:87:27
[INFO] [stdout]    |
[INFO] [stdout] 87 |     #[derive(Deserialize, Debug, Default)]
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pandoc_api_version`
[INFO] [stdout]   --> src/compilers.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         pandoc_api_version: Value,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `PandocJsonOutput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compilers.rs:87:27
[INFO] [stdout]    |
[INFO] [stdout] 87 |     #[derive(Deserialize, Debug, Default)]
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `blocks`
[INFO] [stdout]   --> src/compilers.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         blocks: Value,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `PandocJsonOutput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compilers.rs:87:27
[INFO] [stdout]    |
[INFO] [stdout] 87 |     #[derive(Deserialize, Debug, Default)]
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pandoc_api_version`
[INFO] [stdout]   --> src/compilers.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         pandoc_api_version: Value,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `PandocJsonOutput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compilers.rs:87:27
[INFO] [stdout]    |
[INFO] [stdout] 87 |     #[derive(Deserialize, Debug, Default)]
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 [unoptimized + debuginfo] target(s) in 21.41s
[INFO] running `Command { std: "docker" "inspect" "2270ae111b50fe56239820ae9159184a2c93b01aa7b418f8e7afea1379075d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2270ae111b50fe56239820ae9159184a2c93b01aa7b418f8e7afea1379075d0c", kill_on_drop: false }`
[INFO] [stdout] 2270ae111b50fe56239820ae9159184a2c93b01aa7b418f8e7afea1379075d0c