[INFO] fetching crate vcsgraph 0.1.0... [INFO] checking vcsgraph-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] extracting crate vcsgraph 0.1.0 into /workspace/builds/worker-98/source [INFO] validating manifest of crates.io crate vcsgraph 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate vcsgraph 0.1.0 [INFO] finished tweaking crates.io crate vcsgraph 0.1.0 [INFO] tweaked toml for crates.io crate vcsgraph 0.1.0 written to /workspace/builds/worker-98/source/Cargo.toml [INFO] crate crates.io crate vcsgraph 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro-error-attr v0.4.12 [INFO] [stderr] Downloaded structopt-derive v0.4.5 [INFO] [stderr] Downloaded structopt v0.3.12 [INFO] [stderr] Downloaded proc-macro-error v0.4.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d7aaeb0ef4f19da79b892deb67b069c235e598338a41d4752190dbecde18cede [INFO] running `Command { std: "docker" "start" "-a" "d7aaeb0ef4f19da79b892deb67b069c235e598338a41d4752190dbecde18cede", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d7aaeb0ef4f19da79b892deb67b069c235e598338a41d4752190dbecde18cede", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7aaeb0ef4f19da79b892deb67b069c235e598338a41d4752190dbecde18cede", kill_on_drop: false }` [INFO] [stdout] d7aaeb0ef4f19da79b892deb67b069c235e598338a41d4752190dbecde18cede [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7684dd566e352ed9cf47df64a9f0b8dcac652630a4fdbdeea7b8b618f55b57e3 [INFO] running `Command { std: "docker" "start" "-a" "7684dd566e352ed9cf47df64a9f0b8dcac652630a4fdbdeea7b8b618f55b57e3", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking vcsgraph v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/testing/ordering.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | graph: &LabelledGraph, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn LabelledGraph` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/testing/ordering.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | graph: &LabelledGraph, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn LabelledGraph` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ancestors.rs:455:17 [INFO] [stdout] | [INFO] [stdout] 455 | graph: &(impl StableOrderGraph), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 455 - graph: &(impl StableOrderGraph), [INFO] [stdout] 455 + graph: &impl StableOrderGraph, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `postfix_depth_first_node_sort` [INFO] [stdout] --> src/analytics/sorts.rs:70:4 [INFO] [stdout] | [INFO] [stdout] 70 | fn postfix_depth_first_node_sort( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `breadth_first_head_sort` [INFO] [stdout] --> src/analytics/sorts.rs:128:4 [INFO] [stdout] | [INFO] [stdout] 128 | fn breadth_first_head_sort( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `postfix_depth_first_node_sort` [INFO] [stdout] --> src/analytics/sorts.rs:70:4 [INFO] [stdout] | [INFO] [stdout] 70 | fn postfix_depth_first_node_sort( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `breadth_first_head_sort` [INFO] [stdout] --> src/analytics/sorts.rs:128:4 [INFO] [stdout] | [INFO] [stdout] 128 | fn breadth_first_head_sort( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.72s [INFO] running `Command { std: "docker" "inspect" "7684dd566e352ed9cf47df64a9f0b8dcac652630a4fdbdeea7b8b618f55b57e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7684dd566e352ed9cf47df64a9f0b8dcac652630a4fdbdeea7b8b618f55b57e3", kill_on_drop: false }` [INFO] [stdout] 7684dd566e352ed9cf47df64a9f0b8dcac652630a4fdbdeea7b8b618f55b57e3