[INFO] cloning repository https://github.com/hmc-memsafe-2016f/wk2-starter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hmc-memsafe-2016f/wk2-starter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhmc-memsafe-2016f%2Fwk2-starter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhmc-memsafe-2016f%2Fwk2-starter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dde90e4a050fbfb2d74e08d7736e20dc87045162
[INFO] testing hmc-memsafe-2016f/wk2-starter against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhmc-memsafe-2016f%2Fwk2-starter" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hmc-memsafe-2016f/wk2-starter on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hmc-memsafe-2016f/wk2-starter
[INFO] finished tweaking git repo https://github.com/hmc-memsafe-2016f/wk2-starter
[INFO] tweaked toml for git repo https://github.com/hmc-memsafe-2016f/wk2-starter written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/hmc-memsafe-2016f/wk2-starter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b472b1dbd6e2c519ca7f9bc9fec22a793cfd1f203cf0f58dc37f6062ff4920f
[INFO] running `Command { std: "docker" "start" "-a" "5b472b1dbd6e2c519ca7f9bc9fec22a793cfd1f203cf0f58dc37f6062ff4920f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b472b1dbd6e2c519ca7f9bc9fec22a793cfd1f203cf0f58dc37f6062ff4920f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b472b1dbd6e2c519ca7f9bc9fec22a793cfd1f203cf0f58dc37f6062ff4920f", kill_on_drop: false }`
[INFO] [stdout] 5b472b1dbd6e2c519ca7f9bc9fec22a793cfd1f203cf0f58dc37f6062ff4920f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5951b8c5d35250d165129eb354da2228aedfc9b0abb762caacad209863d25b93
[INFO] running `Command { std: "docker" "start" "-a" "5951b8c5d35250d165129eb354da2228aedfc9b0abb762caacad209863d25b93", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling wk2-starter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Expr`
[INFO] [stdout]  --> src/expr/expr.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Expr {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `BinOp`
[INFO] [stdout]   --> src/expr/expr.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum BinOp {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `evaluate`
[INFO] [stdout]   --> src/expr/expr.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn evaluate(&self) -> isize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `operation_count`
[INFO] [stdout]   --> src/expr/expr.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn operation_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `depth`
[INFO] [stdout]   --> src/expr/expr.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn depth(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "5951b8c5d35250d165129eb354da2228aedfc9b0abb762caacad209863d25b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5951b8c5d35250d165129eb354da2228aedfc9b0abb762caacad209863d25b93", kill_on_drop: false }`
[INFO] [stdout] 5951b8c5d35250d165129eb354da2228aedfc9b0abb762caacad209863d25b93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd58f5b899c71a8e047a09976967b5a7287e1f559465a1bc534c0d15a769765d
[INFO] running `Command { std: "docker" "start" "-a" "bd58f5b899c71a8e047a09976967b5a7287e1f559465a1bc534c0d15a769765d", kill_on_drop: false }`
[INFO] [stderr]    Compiling wk2-starter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Expr`
[INFO] [stdout]  --> src/expr/expr.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Expr {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `BinOp`
[INFO] [stdout]   --> src/expr/expr.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum BinOp {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `evaluate`
[INFO] [stdout]   --> src/expr/expr.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn evaluate(&self) -> isize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `operation_count`
[INFO] [stdout]   --> src/expr/expr.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn operation_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `depth`
[INFO] [stdout]   --> src/expr/expr.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn depth(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "bd58f5b899c71a8e047a09976967b5a7287e1f559465a1bc534c0d15a769765d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd58f5b899c71a8e047a09976967b5a7287e1f559465a1bc534c0d15a769765d", kill_on_drop: false }`
[INFO] [stdout] bd58f5b899c71a8e047a09976967b5a7287e1f559465a1bc534c0d15a769765d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71188608d584e710f22d203b3f336c641e98fae1802fd81e4524255b01937b1e
[INFO] running `Command { std: "docker" "start" "-a" "71188608d584e710f22d203b3f336c641e98fae1802fd81e4524255b01937b1e", kill_on_drop: false }`
[INFO] [stderr] warning: enum is never used: `Expr`
[INFO] [stderr]  --> src/expr/expr.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub enum Expr {
[INFO] [stderr]   |          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `BinOp`
[INFO] [stderr]   --> src/expr/expr.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub enum BinOp {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `evaluate`
[INFO] [stderr]   --> src/expr/expr.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn evaluate(&self) -> isize {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `operation_count`
[INFO] [stderr]   --> src/expr/expr.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn operation_count(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `depth`
[INFO] [stderr]   --> src/expr/expr.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn depth(&self) -> usize {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `wk2-starter` (bin "repl" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/repl-52d8fe2df795ea5a)
[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" "71188608d584e710f22d203b3f336c641e98fae1802fd81e4524255b01937b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71188608d584e710f22d203b3f336c641e98fae1802fd81e4524255b01937b1e", kill_on_drop: false }`
[INFO] [stdout] 71188608d584e710f22d203b3f336c641e98fae1802fd81e4524255b01937b1e