[INFO] fetching crate tobz1000-petgraph 0.5.1-tobz1000...
[INFO] checking tobz1000-petgraph-0.5.1-tobz1000 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate tobz1000-petgraph 0.5.1-tobz1000 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate tobz1000-petgraph 0.5.1-tobz1000 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tobz1000-petgraph 0.5.1-tobz1000
[INFO] finished tweaking crates.io crate tobz1000-petgraph 0.5.1-tobz1000
[INFO] tweaked toml for crates.io crate tobz1000-petgraph 0.5.1-tobz1000 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.3.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding defmac v0.1.3 (latest: v0.2.1)
[INFO] [stderr]       Adding fixedbitset v0.3.2 (latest: v0.5.7)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.5.0)
[INFO] [stderr]       Adding itertools v0.8.2 (latest: v0.13.0)
[INFO] [stderr]       Adding odds v0.2.26 (latest: v0.4.0)
[INFO] [stderr]       Adding quickcheck v0.8.5 (latest: v1.0.3)
[INFO] [stderr]       Adding rand v0.5.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.3.2
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded defmac v0.1.3
[INFO] [stderr]   Downloaded quickcheck v0.8.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4637c0d3a08e8f780ec6b46068f891ccd5dee39873e8a16790deb4c6add1be04
[INFO] running `Command { std: "docker" "start" "-a" "4637c0d3a08e8f780ec6b46068f891ccd5dee39873e8a16790deb4c6add1be04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4637c0d3a08e8f780ec6b46068f891ccd5dee39873e8a16790deb4c6add1be04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4637c0d3a08e8f780ec6b46068f891ccd5dee39873e8a16790deb4c6add1be04", kill_on_drop: false }`
[INFO] [stdout] 4637c0d3a08e8f780ec6b46068f891ccd5dee39873e8a16790deb4c6add1be04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1144dbf666106c1f916e0b88cf604a510d4f783e65eec6c735a7b22b08c3f7c
[INFO] running `Command { std: "docker" "start" "-a" "e1144dbf666106c1f916e0b88cf604a510d4f783e65eec6c735a7b22b08c3f7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking fixedbitset v0.3.2
[INFO] [stderr]     Checking defmac v0.1.3
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking tobz1000-petgraph v0.5.1-tobz1000 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `first_error` is never read
[INFO] [stdout]    --> src/csr.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct EdgesNotSorted {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 133 |     first_error: (usize, usize),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EdgesNotSorted` has derived impls for the traits `Debug` and `Clone`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> tests/graph.rs:1827:6
[INFO] [stdout]      |
[INFO] [stdout] 1827 |     };
[INFO] [stdout]      |      ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]     --> tests/graph.rs:1825:9
[INFO] [stdout]      |
[INFO] [stdout] 1824 |     struct Record {
[INFO] [stdout]      |            ------ fields in this struct
[INFO] [stdout] 1825 |         a: i32,
[INFO] [stdout]      |         ^
[INFO] [stdout] 1826 |         b: &'static str,
[INFO] [stdout]      |         ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `first_error` is never read
[INFO] [stdout]    --> src/csr.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct EdgesNotSorted {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 133 |     first_error: (usize, usize),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EdgesNotSorted` has derived impls for the traits `Debug` and `Clone`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "e1144dbf666106c1f916e0b88cf604a510d4f783e65eec6c735a7b22b08c3f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1144dbf666106c1f916e0b88cf604a510d4f783e65eec6c735a7b22b08c3f7c", kill_on_drop: false }`
[INFO] [stdout] e1144dbf666106c1f916e0b88cf604a510d4f783e65eec6c735a7b22b08c3f7c