[INFO] cloning repository https://github.com/barudisshu/dive-into-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/barudisshu/dive-into-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarudisshu%2Fdive-into-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarudisshu%2Fdive-into-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0c6f435c8ceb67e0e833111db48acd098c9017c7 [INFO] testing barudisshu/dive-into-rust against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarudisshu%2Fdive-into-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/barudisshu/dive-into-rust on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/barudisshu/dive-into-rust [INFO] finished tweaking git repo https://github.com/barudisshu/dive-into-rust [INFO] tweaked toml for git repo https://github.com/barudisshu/dive-into-rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb967c103626fb5c6df6fc0c27d3ef50b2a5beffba4dbf68672dc5d4d535311c [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" "bb967c103626fb5c6df6fc0c27d3ef50b2a5beffba4dbf68672dc5d4d535311c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb967c103626fb5c6df6fc0c27d3ef50b2a5beffba4dbf68672dc5d4d535311c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb967c103626fb5c6df6fc0c27d3ef50b2a5beffba4dbf68672dc5d4d535311c", kill_on_drop: false }` [INFO] [stdout] bb967c103626fb5c6df6fc0c27d3ef50b2a5beffba4dbf68672dc5d4d535311c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", 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] e458b3863304b281c1efc9a7166f5bb8c271a789e00ad3ce765de5242c3f6e32 [INFO] running `Command { std: "docker" "start" "-a" "e458b3863304b281c1efc9a7166f5bb8c271a789e00ad3ce765de5242c3f6e32", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling uuid v0.6.5 [INFO] [stderr] Compiling dive_into_rust_derive v0.1.0 (/opt/rustwide/workdir/dive_into_rust_derive) [INFO] [stderr] Compiling dive_into_rust v0.1.0 (/opt/rustwide/workdir/dive_into_rust) [INFO] [stdout] warning: the feature `dyn_trait` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stdout] --> dive_into_rust/src/lib.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(dyn_trait)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> dive_into_rust/src/lib.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(conservative_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `maybe_uninit` has been stable since 1.36.0 and no longer requires an attribute to enable [INFO] [stdout] --> dive_into_rust/src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(maybe_uninit)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.40s [INFO] running `Command { std: "docker" "inspect" "e458b3863304b281c1efc9a7166f5bb8c271a789e00ad3ce765de5242c3f6e32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e458b3863304b281c1efc9a7166f5bb8c271a789e00ad3ce765de5242c3f6e32", kill_on_drop: false }` [INFO] [stdout] e458b3863304b281c1efc9a7166f5bb8c271a789e00ad3ce765de5242c3f6e32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3a172814f90957590ff44026f87add48b1f2e855ee59494248872d45cf4fe373 [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" "3a172814f90957590ff44026f87add48b1f2e855ee59494248872d45cf4fe373", kill_on_drop: false }` [INFO] [stderr] Compiling dive_into_rust_derive v0.1.0 (/opt/rustwide/workdir/dive_into_rust_derive) [INFO] [stderr] Compiling dive_into_rust v0.1.0 (/opt/rustwide/workdir/dive_into_rust) [INFO] [stdout] warning: the feature `dyn_trait` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stdout] --> dive_into_rust/src/lib.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(dyn_trait)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> dive_into_rust/src/lib.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(conservative_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `maybe_uninit` has been stable since 1.36.0 and no longer requires an attribute to enable [INFO] [stdout] --> dive_into_rust/src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(maybe_uninit)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `dyn_trait` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stdout] --> dive_into_rust/src/lib.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(dyn_trait)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> dive_into_rust/src/lib.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(conservative_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `maybe_uninit` has been stable since 1.36.0 and no longer requires an attribute to enable [INFO] [stdout] --> dive_into_rust/src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(maybe_uninit)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.82s [INFO] running `Command { std: "docker" "inspect" "3a172814f90957590ff44026f87add48b1f2e855ee59494248872d45cf4fe373", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a172814f90957590ff44026f87add48b1f2e855ee59494248872d45cf4fe373", kill_on_drop: false }` [INFO] [stdout] 3a172814f90957590ff44026f87add48b1f2e855ee59494248872d45cf4fe373 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", 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] 9616bb74f43e9f5e16607dbb12303c99f2a4bcff0f6f9b7fdb7a5d711bcfb2aa [INFO] running `Command { std: "docker" "start" "-a" "9616bb74f43e9f5e16607dbb12303c99f2a4bcff0f6f9b7fdb7a5d711bcfb2aa", kill_on_drop: false }` [INFO] [stderr] warning: the feature `dyn_trait` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stderr] --> dive_into_rust/src/lib.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | #![feature(dyn_trait)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stderr] --> dive_into_rust/src/lib.rs:10:12 [INFO] [stderr] | [INFO] [stderr] 10 | #![feature(conservative_impl_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the feature `maybe_uninit` has been stable since 1.36.0 and no longer requires an attribute to enable [INFO] [stderr] --> dive_into_rust/src/lib.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | #![feature(maybe_uninit)] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `dive_into_rust` (lib) generated 3 warnings [INFO] [stderr] warning: `dive_into_rust` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/dive_into_rust-b75298c70e65abd0) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test chap29::_29_02_01_sync_pipe ... ok [INFO] [stdout] test chap29::_29_01_01_pipe ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/dive_into_rust-455bea7722ca0f7e) [INFO] [stdout] test chap29::_29_01_02_pipe ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/dive_into_rust_derive-6a88f0196ad5637f) [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/dive_into_rust_derive-e9046c40c227c383) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests dive_into_rust [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests dive_into_rust_derive [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; finished in 0.00s [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9616bb74f43e9f5e16607dbb12303c99f2a4bcff0f6f9b7fdb7a5d711bcfb2aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9616bb74f43e9f5e16607dbb12303c99f2a4bcff0f6f9b7fdb7a5d711bcfb2aa", kill_on_drop: false }` [INFO] [stdout] 9616bb74f43e9f5e16607dbb12303c99f2a4bcff0f6f9b7fdb7a5d711bcfb2aa