[INFO] cloning repository https://github.com/lautis/rscsv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lautis/rscsv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flautis%2Frscsv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flautis%2Frscsv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10706856be2e88861124360903437a6170886142
[INFO] checking lautis/rscsv against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flautis%2Frscsv" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lautis/rscsv on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lautis/rscsv
[INFO] finished tweaking git repo https://github.com/lautis/rscsv
[INFO] tweaked toml for git repo https://github.com/lautis/rscsv written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/lautis/rscsv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8bc270f9806ffca87b236de1e3d2cecd33cc4cb1231203dfaee8ac4adeac8e3
[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" "e8bc270f9806ffca87b236de1e3d2cecd33cc4cb1231203dfaee8ac4adeac8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8bc270f9806ffca87b236de1e3d2cecd33cc4cb1231203dfaee8ac4adeac8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8bc270f9806ffca87b236de1e3d2cecd33cc4cb1231203dfaee8ac4adeac8e3", kill_on_drop: false }`
[INFO] [stdout] e8bc270f9806ffca87b236de1e3d2cecd33cc4cb1231203dfaee8ac4adeac8e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baecd15aeb582cb6f07ce32387c16fab6bf5d29d57f4d107719264e5a2ff28bc
[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" "baecd15aeb582cb6f07ce32387c16fab6bf5d29d57f4d107719264e5a2ff28bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling libcruby-sys v0.7.5
[INFO] [stderr]     Checking helix v0.7.5
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking rscsv v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | / ruby! {
[INFO] [stdout] 183 | |     class RscsvReader {
[INFO] [stdout] 184 | |         def each_internal(data: Enumerator) -> Result<(), &'static str> {
[INFO] [stdout] 185 | |             yield_csv(&data).map_err(|_| "Error parsing CSV")
[INFO] [stdout] ...   |
[INFO] [stdout] 205 | |     }
[INFO] [stdout] 206 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | / ruby! {
[INFO] [stdout] 183 | |     class RscsvReader {
[INFO] [stdout] 184 | |         def each_internal(data: Enumerator) -> Result<(), &'static str> {
[INFO] [stdout] 185 | |             yield_csv(&data).map_err(|_| "Error parsing CSV")
[INFO] [stdout] ...   |
[INFO] [stdout] 205 | |     }
[INFO] [stdout] 206 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | / ruby! {
[INFO] [stdout] 183 | |     class RscsvReader {
[INFO] [stdout] 184 | |         def each_internal(data: Enumerator) -> Result<(), &'static str> {
[INFO] [stdout] 185 | |             yield_csv(&data).map_err(|_| "Error parsing CSV")
[INFO] [stdout] ...   |
[INFO] [stdout] 205 | |     }
[INFO] [stdout] 206 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | / ruby! {
[INFO] [stdout] 183 | |     class RscsvReader {
[INFO] [stdout] 184 | |         def each_internal(data: Enumerator) -> Result<(), &'static str> {
[INFO] [stdout] 185 | |             yield_csv(&data).map_err(|_| "Error parsing CSV")
[INFO] [stdout] ...   |
[INFO] [stdout] 205 | |     }
[INFO] [stdout] 206 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | / ruby! {
[INFO] [stdout] 183 | |     class RscsvReader {
[INFO] [stdout] 184 | |         def each_internal(data: Enumerator) -> Result<(), &'static str> {
[INFO] [stdout] 185 | |             yield_csv(&data).map_err(|_| "Error parsing CSV")
[INFO] [stdout] ...   |
[INFO] [stdout] 205 | |     }
[INFO] [stdout] 206 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | / ruby! {
[INFO] [stdout] 183 | |     class RscsvReader {
[INFO] [stdout] 184 | |         def each_internal(data: Enumerator) -> Result<(), &'static str> {
[INFO] [stdout] 185 | |             yield_csv(&data).map_err(|_| "Error parsing CSV")
[INFO] [stdout] ...   |
[INFO] [stdout] 205 | |     }
[INFO] [stdout] 206 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | / ruby! {
[INFO] [stdout] 183 | |     class RscsvReader {
[INFO] [stdout] 184 | |         def each_internal(data: Enumerator) -> Result<(), &'static str> {
[INFO] [stdout] 185 | |             yield_csv(&data).map_err(|_| "Error parsing CSV")
[INFO] [stdout] ...   |
[INFO] [stdout] 205 | |     }
[INFO] [stdout] 206 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:63
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn generate_lines(rows: &[Vec<String>]) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | / ruby! {
[INFO] [stdout] 183 | |     class RscsvReader {
[INFO] [stdout] 184 | |         def each_internal(data: Enumerator) -> Result<(), &'static str> {
[INFO] [stdout] 185 | |             yield_csv(&data).map_err(|_| "Error parsing CSV")
[INFO] [stdout] ...   |
[INFO] [stdout] 205 | |     }
[INFO] [stdout] 206 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:63
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn generate_lines(rows: &[Vec<String>]) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "baecd15aeb582cb6f07ce32387c16fab6bf5d29d57f4d107719264e5a2ff28bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baecd15aeb582cb6f07ce32387c16fab6bf5d29d57f4d107719264e5a2ff28bc", kill_on_drop: false }`
[INFO] [stdout] baecd15aeb582cb6f07ce32387c16fab6bf5d29d57f4d107719264e5a2ff28bc