[INFO] fetching crate cemento 0.1.1...
[INFO] checking cemento-0.1.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate cemento 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate cemento 0.1.1
[INFO] finished tweaking crates.io crate cemento 0.1.1
[INFO] tweaked toml for crates.io crate cemento 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cemento 0.1.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cemento 0.1.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded match_token v0.35.0
[INFO] [stderr]   Downloaded ammonia v4.1.1
[INFO] [stderr]   Downloaded html5ever v0.35.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c00d041465d0ea0034db160904de04703dc92d3e1b8b0ce9b2c77f7930bd2a59
[INFO] running `Command { std: "docker" "start" "-a" "c00d041465d0ea0034db160904de04703dc92d3e1b8b0ce9b2c77f7930bd2a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c00d041465d0ea0034db160904de04703dc92d3e1b8b0ce9b2c77f7930bd2a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00d041465d0ea0034db160904de04703dc92d3e1b8b0ce9b2c77f7930bd2a59", kill_on_drop: false }`
[INFO] [stdout] c00d041465d0ea0034db160904de04703dc92d3e1b8b0ce9b2c77f7930bd2a59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1d32e82223846773dd10a74f3a848c59d0f4092c4dbe78842129538c6160070
[INFO] running `Command { std: "docker" "start" "-a" "a1d32e82223846773dd10a74f3a848c59d0f4092c4dbe78842129538c6160070", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking dtoa v1.0.10
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking dtoa-short v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]    Compiling web_atoms v0.1.3
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking string_cache v0.8.9
[INFO] [stderr]     Checking petgraph v0.8.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling match_token v0.35.0
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking cssparser v0.35.0
[INFO] [stderr]     Checking markup5ever v0.35.0
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking html5ever v0.35.0
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking ammonia v4.1.1
[INFO] [stderr]     Checking cemento v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `visit::EdgeRef`
[INFO] [stdout]  --> src/main.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use petgraph::{graph::DiGraph, visit::EdgeRef};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `label` and `parent` are never read
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct DiagramTerm {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 16 |     id: String,
[INFO] [stdout] 17 |     label: Option<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     parent: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagramTerm` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `label` are never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct DiagramEdge {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 23 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     label: Option<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagramEdge` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visit::EdgeRef`
[INFO] [stdout]  --> src/main.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use petgraph::{graph::DiGraph, visit::EdgeRef};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `label` and `parent` are never read
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct DiagramTerm {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 16 |     id: String,
[INFO] [stdout] 17 |     label: Option<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     parent: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagramTerm` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `label` are never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct DiagramEdge {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 23 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     label: Option<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagramEdge` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.57s
[INFO] running `Command { std: "docker" "inspect" "a1d32e82223846773dd10a74f3a848c59d0f4092c4dbe78842129538c6160070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d32e82223846773dd10a74f3a848c59d0f4092c4dbe78842129538c6160070", kill_on_drop: false }`
[INFO] [stdout] a1d32e82223846773dd10a74f3a848c59d0f4092c4dbe78842129538c6160070