[INFO] fetching crate abstractgraph 0.1.4...
[INFO] testing abstractgraph-0.1.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate abstractgraph 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate abstractgraph 0.1.4 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate abstractgraph 0.1.4
[INFO] finished tweaking crates.io crate abstractgraph 0.1.4
[INFO] tweaked toml for crates.io crate abstractgraph 0.1.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] a684a05a61e030820fbdc1e8f6a0361f57d97bd91c29907f31bb3ea521a7b166
[INFO] running `Command { std: "docker" "start" "-a" "a684a05a61e030820fbdc1e8f6a0361f57d97bd91c29907f31bb3ea521a7b166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a684a05a61e030820fbdc1e8f6a0361f57d97bd91c29907f31bb3ea521a7b166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a684a05a61e030820fbdc1e8f6a0361f57d97bd91c29907f31bb3ea521a7b166", kill_on_drop: false }`
[INFO] [stdout] a684a05a61e030820fbdc1e8f6a0361f57d97bd91c29907f31bb3ea521a7b166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 270617b788571ef3bf0b26640f64c95c9037da24205f7a4588e0de000a6a5ce2
[INFO] running `Command { std: "docker" "start" "-a" "270617b788571ef3bf0b26640f64c95c9037da24205f7a4588e0de000a6a5ce2", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling priority-queue v0.5.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling abstractgraph v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.81s
[INFO] running `Command { std: "docker" "inspect" "270617b788571ef3bf0b26640f64c95c9037da24205f7a4588e0de000a6a5ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270617b788571ef3bf0b26640f64c95c9037da24205f7a4588e0de000a6a5ce2", kill_on_drop: false }`
[INFO] [stdout] 270617b788571ef3bf0b26640f64c95c9037da24205f7a4588e0de000a6a5ce2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4b85e8329de1b2670d17374239e7c43b2dd79259d42cf38aec0bee6ab70a431
[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" "f4b85e8329de1b2670d17374239e7c43b2dd79259d42cf38aec0bee6ab70a431", kill_on_drop: false }`
[INFO] [stderr]    Compiling abstractgraph v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/dijkstra.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut last_distance: W;
[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] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.76s
[INFO] running `Command { std: "docker" "inspect" "f4b85e8329de1b2670d17374239e7c43b2dd79259d42cf38aec0bee6ab70a431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b85e8329de1b2670d17374239e7c43b2dd79259d42cf38aec0bee6ab70a431", kill_on_drop: false }`
[INFO] [stdout] f4b85e8329de1b2670d17374239e7c43b2dd79259d42cf38aec0bee6ab70a431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 1d9da52d545d67fa6459bfb6b22a364b028c37dde138aae6a796054b60327099
[INFO] running `Command { std: "docker" "start" "-a" "1d9da52d545d67fa6459bfb6b22a364b028c37dde138aae6a796054b60327099", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/dijkstra.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let mut last_distance: W;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/abstractgraph-acb601b1e4db4762
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/adjacency-41a54ef2d60dae71
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test full5 ... ok
[INFO] [stdout] test grid3_full ... ok
[INFO] [stdout] test trivial ... ok
[INFO] [stdout] test parallel2 ... ok
[INFO] [stdout] test grid3_rightdown ... ok
[INFO] [stdout] test chain8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bfs-54247bdf24e1f8b4
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test grid3_rightdown ... ok
[INFO] [stdout] test trivial ... ok
[INFO] [stdout] test chain8 ... ok
[INFO] [stdout] test grid3_full ... ok
[INFO] [stdout] test full5 ... ok
[INFO] [stdout] test parallel2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dfs-094bbdb2c0ea6d6d
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test full5 ... ok
[INFO] [stdout] test grid3_full ... ok
[INFO] [stdout] test grid3_rightdown ... ok
[INFO] [stdout] test parallel2 ... ok
[INFO] [stdout] test trivial ... ok
[INFO] [stdout] test chain8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dijkstra-c7e775de08741125
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test chain8 ... ok
[INFO] [stdout] test parallel2 ... ok
[INFO] [stdout] test full5 ... ok
[INFO] [stdout] test trivial ... ok
[INFO] [stdout] test grid3_full ... ok
[INFO] [stdout] test grid3_rightdown ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests abstractgraph
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d9da52d545d67fa6459bfb6b22a364b028c37dde138aae6a796054b60327099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9da52d545d67fa6459bfb6b22a364b028c37dde138aae6a796054b60327099", kill_on_drop: false }`
[INFO] [stdout] 1d9da52d545d67fa6459bfb6b22a364b028c37dde138aae6a796054b60327099