[INFO] cloning repository https://github.com/the-wendell/margin_calculator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/the-wendell/margin_calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-wendell%2Fmargin_calculator"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-wendell%2Fmargin_calculator'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d698d65292c77340375c66975732c6c2faa784d
[INFO] testing the-wendell/margin_calculator against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-wendell%2Fmargin_calculator" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/the-wendell/margin_calculator on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/the-wendell/margin_calculator
[INFO] finished tweaking git repo https://github.com/the-wendell/margin_calculator
[INFO] tweaked toml for git repo https://github.com/the-wendell/margin_calculator written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/the-wendell/margin_calculator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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=warn" "-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" "+1.44.0" "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] 17d38d3ec87dcb4c1589d96491da4d2b711adca24219b84411c8d2f00d73ac11
[INFO] running `"docker" "start" "-a" "17d38d3ec87dcb4c1589d96491da4d2b711adca24219b84411c8d2f00d73ac11"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libcruby-sys v0.7.5
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cstr-macro v0.1.0
[INFO] [stderr]    Compiling helix v0.7.5
[INFO] [stderr]    Compiling margin_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `"docker" "inspect" "17d38d3ec87dcb4c1589d96491da4d2b711adca24219b84411c8d2f00d73ac11"`
[INFO] running `"docker" "rm" "-f" "17d38d3ec87dcb4c1589d96491da4d2b711adca24219b84411c8d2f00d73ac11"`
[INFO] [stdout] 17d38d3ec87dcb4c1589d96491da4d2b711adca24219b84411c8d2f00d73ac11
[INFO] running `"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=warn" "-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" "+1.44.0" "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] 0eaf876cbf1f1ebbbc5448b490d2318891d736b511106f99b9466aa92dcf2c41
[INFO] running `"docker" "start" "-a" "0eaf876cbf1f1ebbbc5448b490d2318891d736b511106f99b9466aa92dcf2c41"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling margin_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `"docker" "inspect" "0eaf876cbf1f1ebbbc5448b490d2318891d736b511106f99b9466aa92dcf2c41"`
[INFO] running `"docker" "rm" "-f" "0eaf876cbf1f1ebbbc5448b490d2318891d736b511106f99b9466aa92dcf2c41"`
[INFO] [stdout] 0eaf876cbf1f1ebbbc5448b490d2318891d736b511106f99b9466aa92dcf2c41
[INFO] running `"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=warn" "-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" "+1.44.0" "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] 8b549338c4f862c2d012f06739ee8ed55ecdd379f75dcdbeb4ddcab69396387e
[INFO] running `"docker" "start" "-a" "8b549338c4f862c2d012f06739ee8ed55ecdd379f75dcdbeb4ddcab69396387e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / ruby! {
[INFO] [stderr] 88  | |
[INFO] [stderr] 89  | |     class Calculator {
[INFO] [stderr] 90  | |         def cm0(values: Cm0Values) -> MarginCalculation {
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/margin_calculator-8b487a8c89a0f207
[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 `"docker" "inspect" "8b549338c4f862c2d012f06739ee8ed55ecdd379f75dcdbeb4ddcab69396387e"`
[INFO] running `"docker" "rm" "-f" "8b549338c4f862c2d012f06739ee8ed55ecdd379f75dcdbeb4ddcab69396387e"`
[INFO] [stdout] 8b549338c4f862c2d012f06739ee8ed55ecdd379f75dcdbeb4ddcab69396387e