[INFO] crate calculator_i32 0.1.0 is already in cache
[INFO] testing calculator_i32-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate calculator_i32 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate calculator_i32 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate calculator_i32 0.1.0
[INFO] finished tweaking crates.io crate calculator_i32 0.1.0
[INFO] tweaked toml for crates.io crate calculator_i32 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 12bd1028e2884931cb3bafb6201549bb555b4118f38d2b55c7b26aeea52c9fc1
[INFO] running `Command { std: "docker" "start" "-a" "12bd1028e2884931cb3bafb6201549bb555b4118f38d2b55c7b26aeea52c9fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12bd1028e2884931cb3bafb6201549bb555b4118f38d2b55c7b26aeea52c9fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12bd1028e2884931cb3bafb6201549bb555b4118f38d2b55c7b26aeea52c9fc1", kill_on_drop: false }`
[INFO] [stdout] 12bd1028e2884931cb3bafb6201549bb555b4118f38d2b55c7b26aeea52c9fc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de8d6845b271ac8c71f7e6eeba2a2c57543d68f2c4b5b766f8b4d0a31c128f1c
[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" "de8d6845b271ac8c71f7e6eeba2a2c57543d68f2c4b5b766f8b4d0a31c128f1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling calculator_i32 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]  --> src/lib.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |        pub fn add(x:i32 , y:i32) -> i32 {
[INFO] [stdout]   |               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub`
[INFO] [stdout]  --> src/lib.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |       pub fn sub(x:i32 , y:i32) -> i32 {
[INFO] [stdout]   |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multiply`
[INFO] [stdout]   --> src/lib.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |        pub fn multiply(x:i32 , y:i32) -> i32 {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "de8d6845b271ac8c71f7e6eeba2a2c57543d68f2c4b5b766f8b4d0a31c128f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8d6845b271ac8c71f7e6eeba2a2c57543d68f2c4b5b766f8b4d0a31c128f1c", kill_on_drop: false }`
[INFO] [stdout] de8d6845b271ac8c71f7e6eeba2a2c57543d68f2c4b5b766f8b4d0a31c128f1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb7b149a3c373447717fb43b95afb33ea5e676561b2dc1c79fbf0f7ce7ac4ef2
[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" "fb7b149a3c373447717fb43b95afb33ea5e676561b2dc1c79fbf0f7ce7ac4ef2", kill_on_drop: false }`
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]  --> src/lib.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |        pub fn add(x:i32 , y:i32) -> i32 {
[INFO] [stdout]   |               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling calculator_i32 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sub`
[INFO] [stdout]  --> src/lib.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |       pub fn sub(x:i32 , y:i32) -> i32 {
[INFO] [stdout]   |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multiply`
[INFO] [stdout]   --> src/lib.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |        pub fn multiply(x:i32 , y:i32) -> i32 {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]  --> src/lib.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |        pub fn add(x:i32 , y:i32) -> i32 {
[INFO] [stdout]   |               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub`
[INFO] [stdout]  --> src/lib.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |       pub fn sub(x:i32 , y:i32) -> i32 {
[INFO] [stdout]   |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multiply`
[INFO] [stdout]   --> src/lib.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |        pub fn multiply(x:i32 , y:i32) -> i32 {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "fb7b149a3c373447717fb43b95afb33ea5e676561b2dc1c79fbf0f7ce7ac4ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7b149a3c373447717fb43b95afb33ea5e676561b2dc1c79fbf0f7ce7ac4ef2", kill_on_drop: false }`
[INFO] [stdout] fb7b149a3c373447717fb43b95afb33ea5e676561b2dc1c79fbf0f7ce7ac4ef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83d58f64a5f576aa16e5c46200c5beadffe7399ee061569f9c1412f2826dadeb
[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" "83d58f64a5f576aa16e5c46200c5beadffe7399ee061569f9c1412f2826dadeb", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stderr]  --> src/lib.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 |        pub fn add(x:i32 , y:i32) -> i32 {
[INFO] [stderr]   |               ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub`
[INFO] [stderr]  --> src/lib.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |       pub fn sub(x:i32 , y:i32) -> i32 {
[INFO] [stderr]   |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `multiply`
[INFO] [stderr]   --> src/lib.rs:13:15
[INFO] [stderr]    |
[INFO] [stderr] 13 |        pub fn multiply(x:i32 , y:i32) -> i32 {
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/lib.rs:3:15
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 3 |        pub fn add(x:i32 , y:i32) -> i32 {
[INFO] [stdout] 
[INFO] [stderr]   |               ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub`
[INFO] [stderr]  --> src/lib.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |       pub fn sub(x:i32 , y:i32) -> i32 {
[INFO] [stderr]   |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `multiply`
[INFO] [stderr]   --> src/lib.rs:13:15
[INFO] [stderr]    |
[INFO] [stderr] 13 |        pub fn multiply(x:i32 , y:i32) -> i32 {
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/calculator_i32-945d764d2b61cb52
[INFO] [stderr]    Doc-tests calculator_i32
[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" "83d58f64a5f576aa16e5c46200c5beadffe7399ee061569f9c1412f2826dadeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d58f64a5f576aa16e5c46200c5beadffe7399ee061569f9c1412f2826dadeb", kill_on_drop: false }`
[INFO] [stdout] 83d58f64a5f576aa16e5c46200c5beadffe7399ee061569f9c1412f2826dadeb