[INFO] updating cached repository https://github.com/bitwalker/rustcalc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3fb1cfee222a99b2bc55a0c1bc67540f89a0f290
[INFO] testing bitwalker/rustcalc against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitwalker%2Frustcalc" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bitwalker/rustcalc on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bitwalker/rustcalc
[INFO] finished tweaking git repo https://github.com/bitwalker/rustcalc
[INFO] tweaked toml for git repo https://github.com/bitwalker/rustcalc written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/bitwalker/rustcalc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a78ec3a3b3952434ea2f009ea032430b8aaf5358d6793ba8af2493d74ed8462c
[INFO] running `"docker" "start" "-a" "a78ec3a3b3952434ea2f009ea032430b8aaf5358d6793ba8af2493d74ed8462c"`
[INFO] [stderr]    Compiling parser-combinators v0.6.0
[INFO] [stderr]    Compiling rustcalc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:39:52
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let (((negation, whole), fractional), input) = try!(optional(char('-'))
[INFO] [stderr]    |                                                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `"docker" "inspect" "a78ec3a3b3952434ea2f009ea032430b8aaf5358d6793ba8af2493d74ed8462c"`
[INFO] running `"docker" "rm" "-f" "a78ec3a3b3952434ea2f009ea032430b8aaf5358d6793ba8af2493d74ed8462c"`
[INFO] [stdout] a78ec3a3b3952434ea2f009ea032430b8aaf5358d6793ba8af2493d74ed8462c
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dbd8fa6e58141673f96ac2a241b3f2728d471d84143a85bda38d96f0a1ccf919
[INFO] running `"docker" "start" "-a" "dbd8fa6e58141673f96ac2a241b3f2728d471d84143a85bda38d96f0a1ccf919"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:39:52
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let (((negation, whole), fractional), input) = try!(optional(char('-'))
[INFO] [stderr]    |                                                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling rustcalc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "dbd8fa6e58141673f96ac2a241b3f2728d471d84143a85bda38d96f0a1ccf919"`
[INFO] running `"docker" "rm" "-f" "dbd8fa6e58141673f96ac2a241b3f2728d471d84143a85bda38d96f0a1ccf919"`
[INFO] [stdout] dbd8fa6e58141673f96ac2a241b3f2728d471d84143a85bda38d96f0a1ccf919
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c09621fdc7bfef9d26cebefd56da73e38b1eede485722ad70c161a2bd99c2ede
[INFO] running `"docker" "start" "-a" "c09621fdc7bfef9d26cebefd56da73e38b1eede485722ad70c161a2bd99c2ede"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:39:52
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let (((negation, whole), fractional), input) = try!(optional(char('-'))
[INFO] [stderr]    |                                                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-616037a879ba9b05
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test simple_addition ... ok
[INFO] [stdout] test simple_subtraction ... ok
[INFO] [stdout] test simple_multiplication ... ok
[INFO] [stdout] test complex_division ... ok
[INFO] [stdout] test simple_division ... ok
[INFO] [stdout] test complex_multiplication ... ok
[INFO] [stdout] test complex_addition ... ok
[INFO] [stdout] test complex_subtraction ... ok
[INFO] [stdout] test complex_exponentiation ... ok
[INFO] [stdout] test integration_test ... ok
[INFO] [stdout] test simple_exponentiation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c09621fdc7bfef9d26cebefd56da73e38b1eede485722ad70c161a2bd99c2ede"`
[INFO] running `"docker" "rm" "-f" "c09621fdc7bfef9d26cebefd56da73e38b1eede485722ad70c161a2bd99c2ede"`
[INFO] [stdout] c09621fdc7bfef9d26cebefd56da73e38b1eede485722ad70c161a2bd99c2ede