[INFO] cloning repository https://github.com/luizalbertocviana/rust-workspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luizalbertocviana/rust-workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizalbertocviana%2Frust-workspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizalbertocviana%2Frust-workspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ceba748da7d8aeef3d1f4fcade912e75f80f7d26
[INFO] checking luizalbertocviana/rust-workspace against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizalbertocviana%2Frust-workspace" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/luizalbertocviana/rust-workspace on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luizalbertocviana/rust-workspace
[INFO] finished tweaking git repo https://github.com/luizalbertocviana/rust-workspace
[INFO] tweaked toml for git repo https://github.com/luizalbertocviana/rust-workspace written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/luizalbertocviana/rust-workspace 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" "+5fee451ebd94296ea05214e819c311e164b30af6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ed3d299e8f3b6ecd0a6007c20631c54d413ef70eeca59f9884683eaec9375de
[INFO] running `Command { std: "docker" "start" "-a" "7ed3d299e8f3b6ecd0a6007c20631c54d413ef70eeca59f9884683eaec9375de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ed3d299e8f3b6ecd0a6007c20631c54d413ef70eeca59f9884683eaec9375de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed3d299e8f3b6ecd0a6007c20631c54d413ef70eeca59f9884683eaec9375de", kill_on_drop: false }`
[INFO] [stdout] 7ed3d299e8f3b6ecd0a6007c20631c54d413ef70eeca59f9884683eaec9375de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19e44f2c8f8fe6c3087ec3929968239fc736c6c8d9bc5fae1ba58421d1817b34
[INFO] running `Command { std: "docker" "start" "-a" "19e44f2c8f8fe6c3087ec3929968239fc736c6c8d9bc5fae1ba58421d1817b34", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking disjoint-set v0.1.0 (/opt/rustwide/workdir/disjoint-set)
[INFO] [stderr]     Checking matrix v0.1.0 (/opt/rustwide/workdir/matrix)
[INFO] [stderr]     Checking branch-bound v0.1.0 (/opt/rustwide/workdir/branch-bound)
[INFO] [stderr]     Checking solving-manager v0.1.0 (/opt/rustwide/workdir/solving-manager)
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking graph v0.1.0 (/opt/rustwide/workdir/graph)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> graph/src/digraph.rs:127:27
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl<'a> GraphImpl<'a> for Digraph {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn edges(&'a self) -> EdgeIterator {
[INFO] [stdout]     |                           ^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> graph/src/neighbors.rs:30:88
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn in_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, v: usize) -> InNeighborIterator<T> {
[INFO] [stdout]    |                     -- lifetime `'a` declared here                                     ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> graph/src/neighbors.rs:40:90
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn out_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, u: usize) -> OutNeighborIterator<T> {
[INFO] [stdout]    |                      -- lifetime `'a` declared here                                      ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> graph/src/digraph.rs:127:27
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl<'a> GraphImpl<'a> for Digraph {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn edges(&'a self) -> EdgeIterator {
[INFO] [stdout]     |                           ^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> graph/src/neighbors.rs:30:88
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn in_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, v: usize) -> InNeighborIterator<T> {
[INFO] [stdout]    |                     -- lifetime `'a` declared here                                     ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> graph/src/neighbors.rs:40:90
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn out_neighbors<'a, T: GraphImpl<'a>>(graph: &'a T, u: usize) -> OutNeighborIterator<T> {
[INFO] [stdout]    |                      -- lifetime `'a` declared here                                      ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking instance v0.1.0 (/opt/rustwide/workdir/instance)
[INFO] [stderr]     Checking instance-generators v0.1.0 (/opt/rustwide/workdir/instance-generators)
[INFO] [stderr]     Checking instance-bb v0.1.0 (/opt/rustwide/workdir/instance-bb)
[INFO] [stderr]     Checking instance-bb-solver v0.1.0 (/opt/rustwide/workdir/instance-bb-solver)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "19e44f2c8f8fe6c3087ec3929968239fc736c6c8d9bc5fae1ba58421d1817b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e44f2c8f8fe6c3087ec3929968239fc736c6c8d9bc5fae1ba58421d1817b34", kill_on_drop: false }`
[INFO] [stdout] 19e44f2c8f8fe6c3087ec3929968239fc736c6c8d9bc5fae1ba58421d1817b34