[INFO] cloning repository https://github.com/caente/coursera_graphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caente/coursera_graphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaente%2Fcoursera_graphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaente%2Fcoursera_graphs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9816c0618c7bdf018b1cbc44f7bbf39fa88bc6a
[INFO] testing caente/coursera_graphs against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaente%2Fcoursera_graphs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  32% (8/25)
Updating files:  36% (9/25)
Updating files:  40% (10/25)
Updating files:  44% (11/25)
Updating files:  48% (12/25)
Updating files:  52% (13/25)
Updating files:  56% (14/25)
Updating files:  60% (15/25)
Updating files:  64% (16/25)
Updating files:  68% (17/25)
Updating files:  72% (18/25)
Updating files:  76% (19/25)
Updating files:  80% (20/25)
Updating files:  84% (21/25)
Updating files:  88% (22/25)
Updating files:  92% (23/25)
Updating files:  96% (24/25)
Updating files: 100% (25/25)
Updating files: 100% (25/25), done.
[INFO] validating manifest of git repo https://github.com/caente/coursera_graphs on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/caente/coursera_graphs
[INFO] finished tweaking git repo https://github.com/caente/coursera_graphs
[INFO] tweaked toml for git repo https://github.com/caente/coursera_graphs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/caente/coursera_graphs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5910bb133d2624a35589143e08421888ac2afd13edc9b657bfdbf0ce14414164
[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" "5910bb133d2624a35589143e08421888ac2afd13edc9b657bfdbf0ce14414164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5910bb133d2624a35589143e08421888ac2afd13edc9b657bfdbf0ce14414164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5910bb133d2624a35589143e08421888ac2afd13edc9b657bfdbf0ce14414164", kill_on_drop: false }`
[INFO] [stdout] 5910bb133d2624a35589143e08421888ac2afd13edc9b657bfdbf0ce14414164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e922c7432f3583c49e747aee2c83c5f7e90653c7e531f81088bac08e2fc406
[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" "f7e922c7432f3583c49e747aee2c83c5f7e90653c7e531f81088bac08e2fc406", kill_on_drop: false }`
[INFO] [stderr]    Compiling graphs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "f7e922c7432f3583c49e747aee2c83c5f7e90653c7e531f81088bac08e2fc406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e922c7432f3583c49e747aee2c83c5f7e90653c7e531f81088bac08e2fc406", kill_on_drop: false }`
[INFO] [stdout] f7e922c7432f3583c49e747aee2c83c5f7e90653c7e531f81088bac08e2fc406
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--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] 9d54d4b154281471961d82891074cf7965b6b3de3702bf4bfbdc922f2378261e
[INFO] running `Command { std: "docker" "start" "-a" "9d54d4b154281471961d82891074cf7965b6b3de3702bf4bfbdc922f2378261e", kill_on_drop: false }`
[INFO] [stderr]    Compiling graphs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "9d54d4b154281471961d82891074cf7965b6b3de3702bf4bfbdc922f2378261e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d54d4b154281471961d82891074cf7965b6b3de3702bf4bfbdc922f2378261e", kill_on_drop: false }`
[INFO] [stdout] 9d54d4b154281471961d82891074cf7965b6b3de3702bf4bfbdc922f2378261e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53d7601e5357b7917e2dc3cb38f996eba0cf50c845a05c51c408d9af5746b89e
[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" "53d7601e5357b7917e2dc3cb38f996eba0cf50c845a05c51c408d9af5746b89e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graphs-5408a0f117746fc5)
[INFO] running `Command { std: "docker" "inspect" "53d7601e5357b7917e2dc3cb38f996eba0cf50c845a05c51c408d9af5746b89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d7601e5357b7917e2dc3cb38f996eba0cf50c845a05c51c408d9af5746b89e", kill_on_drop: false }`
[INFO] [stdout] 53d7601e5357b7917e2dc3cb38f996eba0cf50c845a05c51c408d9af5746b89e