[INFO] fetching crate rust-graph 0.0.3... [INFO] checking rust-graph-0.0.3 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] extracting crate rust-graph 0.0.3 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate rust-graph 0.0.3 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust-graph 0.0.3 [INFO] finished tweaking crates.io crate rust-graph 0.0.3 [INFO] tweaked toml for crates.io crate rust-graph 0.0.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e2da91e229951b1d62e235a8dc35221f2d20a149e63e73e7fc42f74320b54863 [INFO] running `Command { std: "docker" "start" "-a" "e2da91e229951b1d62e235a8dc35221f2d20a149e63e73e7fc42f74320b54863", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e2da91e229951b1d62e235a8dc35221f2d20a149e63e73e7fc42f74320b54863", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2da91e229951b1d62e235a8dc35221f2d20a149e63e73e7fc42f74320b54863", kill_on_drop: false }` [INFO] [stdout] e2da91e229951b1d62e235a8dc35221f2d20a149e63e73e7fc42f74320b54863 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47f1b2b01f866bc4543a89fafa2018aca59ba02fd1ea51f63f9ecd1561c45bf7 [INFO] running `Command { std: "docker" "start" "-a" "47f1b2b01f866bc4543a89fafa2018aca59ba02fd1ea51f63f9ecd1561c45bf7", kill_on_drop: false }` [INFO] [stderr] Checking rust-graph v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/disjoint_set.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | try!(write!(f, "{:?}: ", k)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/disjoint_set.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | try!(write!(f, "\n")) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/disjoint_set.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | try!(write!(f, "{:?}", i)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algorithms.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/disjoint_set.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | try!(write!(f, "{:?}: ", k)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/disjoint_set.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | try!(write!(f, "\n")) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/disjoint_set.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | try!(write!(f, "{:?}", i)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/algorithms.rs:37:30 [INFO] [stdout] | [INFO] [stdout] 37 | fn set_weight(&mut self, isize); [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: isize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `add_node` [INFO] [stdout] --> src/graph.rs:272:14 [INFO] [stdout] | [INFO] [stdout] 272 | macro_rules! add_node ( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `add_edge` [INFO] [stdout] --> src/graph.rs:289:14 [INFO] [stdout] | [INFO] [stdout] 289 | macro_rules! add_edge ( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/algorithms.rs:37:30 [INFO] [stdout] | [INFO] [stdout] 37 | fn set_weight(&mut self, isize); [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: isize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `collections` [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(collections)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `collections` [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(collections)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `push_all` found for mutable reference `&mut Vec` in the current scope [INFO] [stdout] --> src/disjoint_set.rs:34:15 [INFO] [stdout] | [INFO] [stdout] 34 | x_set.push_all(&*y_set); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `push` with a similar name [INFO] [stdout] | [INFO] [stdout] 34 | x_set.push(&*y_set); [INFO] [stdout] | ~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `push_all` found for mutable reference `&mut Vec` in the current scope [INFO] [stdout] --> src/disjoint_set.rs:34:15 [INFO] [stdout] | [INFO] [stdout] 34 | x_set.push_all(&*y_set); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `push` with a similar name [INFO] [stdout] | [INFO] [stdout] 34 | x_set.push(&*y_set); [INFO] [stdout] | ~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/graph.rs:48:21 [INFO] [stdout] | [INFO] [stdout] 48 | let mut prop: Option; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0599, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-graph` (lib) due to 3 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/graph.rs:48:21 [INFO] [stdout] | [INFO] [stdout] 48 | let mut prop: Option; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0599, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-graph` (lib test) due to 3 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "47f1b2b01f866bc4543a89fafa2018aca59ba02fd1ea51f63f9ecd1561c45bf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47f1b2b01f866bc4543a89fafa2018aca59ba02fd1ea51f63f9ecd1561c45bf7", kill_on_drop: false }` [INFO] [stdout] 47f1b2b01f866bc4543a89fafa2018aca59ba02fd1ea51f63f9ecd1561c45bf7