[INFO] fetching crate pseudocode 0.1.7...
[INFO] testing pseudocode-0.1.7 against 1.49.0 for beta-1.50-1
[INFO] extracting crate pseudocode 0.1.7 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pseudocode 0.1.7 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pseudocode 0.1.7
[INFO] finished tweaking crates.io crate pseudocode 0.1.7
[INFO] tweaked toml for crates.io crate pseudocode 0.1.7 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate pseudocode 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] c30060e9da427a0beab51dba6dc7efe9dd36588caa0fd56ef95ae9154c0e3905
[INFO] running `Command { std: "docker" "start" "-a" "c30060e9da427a0beab51dba6dc7efe9dd36588caa0fd56ef95ae9154c0e3905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c30060e9da427a0beab51dba6dc7efe9dd36588caa0fd56ef95ae9154c0e3905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30060e9da427a0beab51dba6dc7efe9dd36588caa0fd56ef95ae9154c0e3905", kill_on_drop: false }`
[INFO] [stdout] c30060e9da427a0beab51dba6dc7efe9dd36588caa0fd56ef95ae9154c0e3905
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a75664f5f46e74808f0c46f4c08895f24b8d5c661de41e6609955ea3a8f7bc18
[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" "a75664f5f46e74808f0c46f4c08895f24b8d5c661de41e6609955ea3a8f7bc18", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling pseudocode v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `dump`
[INFO] [stdout]    --> src/lib.rs:317:8
[INFO] [stdout]     |
[INFO] [stdout] 317 |     fn dump(&self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.74s
[INFO] running `Command { std: "docker" "inspect" "a75664f5f46e74808f0c46f4c08895f24b8d5c661de41e6609955ea3a8f7bc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75664f5f46e74808f0c46f4c08895f24b8d5c661de41e6609955ea3a8f7bc18", kill_on_drop: false }`
[INFO] [stdout] a75664f5f46e74808f0c46f4c08895f24b8d5c661de41e6609955ea3a8f7bc18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9da40f44209751c5cc8417264dd66a8391f983ea1a1d55ecafa9706695399030
[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" "9da40f44209751c5cc8417264dd66a8391f983ea1a1d55ecafa9706695399030", kill_on_drop: false }`
[INFO] [stderr]    Compiling pseudocode v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `dump`
[INFO] [stdout]    --> src/lib.rs:317:8
[INFO] [stdout]     |
[INFO] [stdout] 317 |     fn dump(&self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dump`
[INFO] [stdout]    --> src/lib.rs:317:8
[INFO] [stdout]     |
[INFO] [stdout] 317 |     fn dump(&self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "9da40f44209751c5cc8417264dd66a8391f983ea1a1d55ecafa9706695399030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da40f44209751c5cc8417264dd66a8391f983ea1a1d55ecafa9706695399030", kill_on_drop: false }`
[INFO] [stdout] 9da40f44209751c5cc8417264dd66a8391f983ea1a1d55ecafa9706695399030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b91a044cc162f54e6f3c953e822cc837272a0ef2922a717367aeab1a7376ea4
[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" "6b91a044cc162f54e6f3c953e822cc837272a0ef2922a717367aeab1a7376ea4", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `dump`
[INFO] [stderr]    --> src/lib.rs:317:8
[INFO] [stderr]     |
[INFO] [stderr] 317 |     fn dump(&self) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dump`
[INFO] [stderr]    --> src/lib.rs:317:8
[INFO] [stderr]     |
[INFO] [stderr] 317 |     fn dump(&self) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pseudocode-4ea91675cadefee6
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_parse ... ok
[INFO] [stdout] test tests::test_parses_to ... ok
[INFO] [stdout] test tests::test_parse_assignment_expr ... ok
[INFO] [stdout] test tests::test_parse_binary_expr ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pseudocode-6d864697bd1d4a19
[INFO] [stdout] test tests::test_file_output ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pseudocode
[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] [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" "6b91a044cc162f54e6f3c953e822cc837272a0ef2922a717367aeab1a7376ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b91a044cc162f54e6f3c953e822cc837272a0ef2922a717367aeab1a7376ea4", kill_on_drop: false }`
[INFO] [stdout] 6b91a044cc162f54e6f3c953e822cc837272a0ef2922a717367aeab1a7376ea4