[INFO] cloning repository https://github.com/crawlis/professor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crawlis/professor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrawlis%2Fprofessor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrawlis%2Fprofessor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8463ff595cdab544893bf88a32376e6628af61e
[INFO] checking crawlis/professor against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrawlis%2Fprofessor" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crawlis/professor on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crawlis/professor
[INFO] finished tweaking git repo https://github.com/crawlis/professor
[INFO] tweaked toml for git repo https://github.com/crawlis/professor written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/crawlis/professor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0926a3650221bb685c03699df85e7978fc7e82b0c2bfaedfd0628e38f0145d56
[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" "0926a3650221bb685c03699df85e7978fc7e82b0c2bfaedfd0628e38f0145d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0926a3650221bb685c03699df85e7978fc7e82b0c2bfaedfd0628e38f0145d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0926a3650221bb685c03699df85e7978fc7e82b0c2bfaedfd0628e38f0145d56", kill_on_drop: false }`
[INFO] [stdout] 0926a3650221bb685c03699df85e7978fc7e82b0c2bfaedfd0628e38f0145d56
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ea4a9670586ccda1e9c50b6243eb49293e657f2aa0adfbd6f6ffdd7ac386b6
[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" "e1ea4a9670586ccda1e9c50b6243eb49293e657f2aa0adfbd6f6ffdd7ac386b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking diesel v1.4.5
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking professor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_conn`
[INFO] [stdout]   --> src/persistence/database.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn get_conn(&self) -> Result<PgConnection, diesel::ConnectionError> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_conn`
[INFO] [stdout]   --> src/persistence/database.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn get_conn(&self) -> Result<PgConnection, diesel::ConnectionError> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `wait_for_conn`
[INFO] [stdout]   --> src/persistence/database.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn wait_for_conn(
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_parent`
[INFO] [stdout]   --> src/persistence/database.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub async fn insert_parent(
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_node`
[INFO] [stdout]   --> src/persistence/database.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub async fn insert_node(
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_node`
[INFO] [stdout]   --> src/persistence/database.rs:77:18
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub async fn update_node(
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `config`
[INFO] [stdout]   --> src/professor.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     config: ProfessorConfig,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `database`
[INFO] [stdout]   --> src/professor.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     database: database::Database,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `wait_for_conn`
[INFO] [stdout]   --> src/persistence/database.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn wait_for_conn(
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_parent`
[INFO] [stdout]   --> src/persistence/database.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub async fn insert_parent(
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_node`
[INFO] [stdout]   --> src/persistence/database.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub async fn insert_node(
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_node`
[INFO] [stdout]   --> src/persistence/database.rs:77:18
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub async fn update_node(
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `config`
[INFO] [stdout]   --> src/professor.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     config: ProfessorConfig,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `database`
[INFO] [stdout]   --> src/professor.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     database: database::Database,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "e1ea4a9670586ccda1e9c50b6243eb49293e657f2aa0adfbd6f6ffdd7ac386b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ea4a9670586ccda1e9c50b6243eb49293e657f2aa0adfbd6f6ffdd7ac386b6", kill_on_drop: false }`
[INFO] [stdout] e1ea4a9670586ccda1e9c50b6243eb49293e657f2aa0adfbd6f6ffdd7ac386b6