[INFO] updating cached repository https://github.com/ohira-ryoji/ruststudy [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 94e17609be4bed64895a29efb3afe4b07a436ea1 [INFO] testing ohira-ryoji/ruststudy against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fohira-ryoji%2Fruststudy" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ohira-ryoji/ruststudy on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ohira-ryoji/ruststudy [INFO] finished tweaking git repo https://github.com/ohira-ryoji/ruststudy [INFO] tweaked toml for git repo https://github.com/ohira-ryoji/ruststudy written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/ohira-ryoji/ruststudy already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b1158188c79874d9327ee71471f170e3a3e56380099665f356489b1a9935cb51 [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" "b1158188c79874d9327ee71471f170e3a3e56380099665f356489b1a9935cb51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b1158188c79874d9327ee71471f170e3a3e56380099665f356489b1a9935cb51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1158188c79874d9327ee71471f170e3a3e56380099665f356489b1a9935cb51", kill_on_drop: false }` [INFO] [stdout] b1158188c79874d9327ee71471f170e3a3e56380099665f356489b1a9935cb51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c64c5b0b6514b1d24d8a3ff9d0348db5656fcbffa5f28cbe7f0f692a5d01277f [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" "c64c5b0b6514b1d24d8a3ff9d0348db5656fcbffa5f28cbe7f0f692a5d01277f", kill_on_drop: false }` [INFO] [stderr] Compiling study v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/filestudy.rs:13:20 [INFO] [stdout] | [INFO] [stdout] 13 | Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/filestudy.rs:21:20 [INFO] [stdout] | [INFO] [stdout] 21 | Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/sample01.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut y = x; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `Command { std: "docker" "inspect" "c64c5b0b6514b1d24d8a3ff9d0348db5656fcbffa5f28cbe7f0f692a5d01277f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c64c5b0b6514b1d24d8a3ff9d0348db5656fcbffa5f28cbe7f0f692a5d01277f", kill_on_drop: false }` [INFO] [stdout] c64c5b0b6514b1d24d8a3ff9d0348db5656fcbffa5f28cbe7f0f692a5d01277f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38a50bad13f0cf778a6b9b11d5babb84b4550a6f59cc1583883ea4ada20a32eb [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" "38a50bad13f0cf778a6b9b11d5babb84b4550a6f59cc1583883ea4ada20a32eb", kill_on_drop: false }` [INFO] [stderr] Compiling study v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/filestudy.rs:13:20 [INFO] [stdout] | [INFO] [stdout] 13 | Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/filestudy.rs:21:20 [INFO] [stdout] | [INFO] [stdout] 21 | Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/sample01.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut y = x; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `Command { std: "docker" "inspect" "38a50bad13f0cf778a6b9b11d5babb84b4550a6f59cc1583883ea4ada20a32eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38a50bad13f0cf778a6b9b11d5babb84b4550a6f59cc1583883ea4ada20a32eb", kill_on_drop: false }` [INFO] [stdout] 38a50bad13f0cf778a6b9b11d5babb84b4550a6f59cc1583883ea4ada20a32eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5059e1c4f936449b2e51052af5c8c477aac414b0598ae34255f1cbb18a64ecc5 [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" "5059e1c4f936449b2e51052af5c8c477aac414b0598ae34255f1cbb18a64ecc5", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/filestudy.rs:13:20 [INFO] [stderr] | [INFO] [stderr] 13 | Error::description(&why)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/filestudy.rs:21:20 [INFO] [stderr] | [INFO] [stderr] 21 | Error::description(&why)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `y` is never read [INFO] [stderr] --> src/sample01.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | let mut y = x; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/study-dffed1f112b88bf2 [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] [stderr] Running /opt/rustwide/target/debug/deps/study-d80341145302b990 [INFO] [stdout] [INFO] [stderr] Doc-tests study [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" "5059e1c4f936449b2e51052af5c8c477aac414b0598ae34255f1cbb18a64ecc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5059e1c4f936449b2e51052af5c8c477aac414b0598ae34255f1cbb18a64ecc5", kill_on_drop: false }` [INFO] [stdout] 5059e1c4f936449b2e51052af5c8c477aac414b0598ae34255f1cbb18a64ecc5