[INFO] cloning repository https://github.com/nacho-vlad/graph-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nacho-vlad/graph-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacho-vlad%2Fgraph-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacho-vlad%2Fgraph-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2c787dccbb5c0817eecc8b187fffdf70355d392
[INFO] testing nacho-vlad/graph-rs against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacho-vlad%2Fgraph-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nacho-vlad/graph-rs on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nacho-vlad/graph-rs
[INFO] finished tweaking git repo https://github.com/nacho-vlad/graph-rs
[INFO] tweaked toml for git repo https://github.com/nacho-vlad/graph-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nacho-vlad/graph-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 75bb5c3c99299a647f9bf26ef191a100506b5428d7950e7808d24797e27aeb9a
[INFO] running `Command { std: "docker" "start" "-a" "75bb5c3c99299a647f9bf26ef191a100506b5428d7950e7808d24797e27aeb9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75bb5c3c99299a647f9bf26ef191a100506b5428d7950e7808d24797e27aeb9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75bb5c3c99299a647f9bf26ef191a100506b5428d7950e7808d24797e27aeb9a", kill_on_drop: false }`
[INFO] [stdout] 75bb5c3c99299a647f9bf26ef191a100506b5428d7950e7808d24797e27aeb9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51585c5c8891030e527225fcb041e15c8742324b7a424654dfe2dbbdff912be3
[INFO] running `Command { std: "docker" "start" "-a" "51585c5c8891030e527225fcb041e15c8742324b7a424654dfe2dbbdff912be3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling generational-arena v0.2.8
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rustyline v8.0.0
[INFO] [stderr]    Compiling graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `random_graph`
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn random_graph(vertices: u32, edges: u32) -> GraphMap<u32,u32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[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 [unoptimized + debuginfo] target(s) in 29.15s
[INFO] running `Command { std: "docker" "inspect" "51585c5c8891030e527225fcb041e15c8742324b7a424654dfe2dbbdff912be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51585c5c8891030e527225fcb041e15c8742324b7a424654dfe2dbbdff912be3", kill_on_drop: false }`
[INFO] [stdout] 51585c5c8891030e527225fcb041e15c8742324b7a424654dfe2dbbdff912be3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4c7d2364bc5b0a61c3a87f20123707efa18075eafdce102fa1fb8e45041e47c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4c7d2364bc5b0a61c3a87f20123707efa18075eafdce102fa1fb8e45041e47c", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `random_graph`
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn random_graph(vertices: u32, edges: u32) -> GraphMap<u32,u32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[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 test [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "a4c7d2364bc5b0a61c3a87f20123707efa18075eafdce102fa1fb8e45041e47c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4c7d2364bc5b0a61c3a87f20123707efa18075eafdce102fa1fb8e45041e47c", kill_on_drop: false }`
[INFO] [stdout] a4c7d2364bc5b0a61c3a87f20123707efa18075eafdce102fa1fb8e45041e47c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e8fe37a7734990b5c8e40740d5c6dd6776cd152d59717257bf553f374d40e4b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3e8fe37a7734990b5c8e40740d5c6dd6776cd152d59717257bf553f374d40e4b", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `random_graph`
[INFO] [stderr]  --> src/main.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn random_graph(vertices: u32, edges: u32) -> GraphMap<u32,u32> {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graph-5686bc8b695b9696)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graph-126b3905e3ba83a2)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests graph
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e8fe37a7734990b5c8e40740d5c6dd6776cd152d59717257bf553f374d40e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8fe37a7734990b5c8e40740d5c6dd6776cd152d59717257bf553f374d40e4b", kill_on_drop: false }`
[INFO] [stdout] 3e8fe37a7734990b5c8e40740d5c6dd6776cd152d59717257bf553f374d40e4b