[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#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrawlis%2Fprofessor" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crawlis/professor on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97c12c828dc8901904f5b4026ef5d342a7665b28e56ecceb5be9e25a5910f49e
[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" "97c12c828dc8901904f5b4026ef5d342a7665b28e56ecceb5be9e25a5910f49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97c12c828dc8901904f5b4026ef5d342a7665b28e56ecceb5be9e25a5910f49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c12c828dc8901904f5b4026ef5d342a7665b28e56ecceb5be9e25a5910f49e", kill_on_drop: false }`
[INFO] [stdout] 97c12c828dc8901904f5b4026ef5d342a7665b28e56ecceb5be9e25a5910f49e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05631379a13569c737691d80bb902136eb783bb38ad823ffd81748ce4b51c8ff
[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" "05631379a13569c737691d80bb902136eb783bb38ad823ffd81748ce4b51c8ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[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 diesel_derives v1.4.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[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: `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: `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: 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 44.01s
[INFO] running `Command { std: "docker" "inspect" "05631379a13569c737691d80bb902136eb783bb38ad823ffd81748ce4b51c8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05631379a13569c737691d80bb902136eb783bb38ad823ffd81748ce4b51c8ff", kill_on_drop: false }`
[INFO] [stdout] 05631379a13569c737691d80bb902136eb783bb38ad823ffd81748ce4b51c8ff