[INFO] fetching crate seek-ext 0.1.0... [INFO] testing seek-ext-0.1.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate seek-ext 0.1.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate seek-ext 0.1.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate seek-ext 0.1.0 [INFO] finished tweaking crates.io crate seek-ext 0.1.0 [INFO] tweaked toml for crates.io crate seek-ext 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38ccf71159981a04f4dd5eb3e79cb0fe94358dbf93d429846849ff1933be1165 [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" "38ccf71159981a04f4dd5eb3e79cb0fe94358dbf93d429846849ff1933be1165", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38ccf71159981a04f4dd5eb3e79cb0fe94358dbf93d429846849ff1933be1165", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38ccf71159981a04f4dd5eb3e79cb0fe94358dbf93d429846849ff1933be1165", kill_on_drop: false }` [INFO] [stdout] 38ccf71159981a04f4dd5eb3e79cb0fe94358dbf93d429846849ff1933be1165 [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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e139be0d4d7d1a938fa70e26f9921bdba4c59343a4a105597e21c39930550f20 [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" "e139be0d4d7d1a938fa70e26f9921bdba4c59343a4a105597e21c39930550f20", kill_on_drop: false }` [INFO] [stderr] Compiling seek-ext v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "e139be0d4d7d1a938fa70e26f9921bdba4c59343a4a105597e21c39930550f20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e139be0d4d7d1a938fa70e26f9921bdba4c59343a4a105597e21c39930550f20", kill_on_drop: false }` [INFO] [stdout] e139be0d4d7d1a938fa70e26f9921bdba4c59343a4a105597e21c39930550f20 [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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6846fea51b355675e73de44ae3807ce194d66b77555e59054145044a5bb85d3 [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" "e6846fea51b355675e73de44ae3807ce194d66b77555e59054145044a5bb85d3", kill_on_drop: false }` [INFO] [stderr] Compiling seek-ext v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:86:22 [INFO] [stdout] | [INFO] [stdout] 86 | assert_eq!(c.stream_len().unwrap(), 15); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `SeekExt::stream_len(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(seek_convenience)]` to the crate attributes to enable `std::io::Seek::stream_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:90:22 [INFO] [stdout] | [INFO] [stdout] 90 | assert_eq!(c.stream_len().unwrap(), 15); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `SeekExt::stream_len(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(seek_convenience)]` to the crate attributes to enable `std::io::Seek::stream_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:96:22 [INFO] [stdout] | [INFO] [stdout] 96 | assert_eq!(c.stream_len().unwrap(), 15); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `SeekExt::stream_len(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(seek_convenience)]` to the crate attributes to enable `std::io::Seek::stream_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "e6846fea51b355675e73de44ae3807ce194d66b77555e59054145044a5bb85d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6846fea51b355675e73de44ae3807ce194d66b77555e59054145044a5bb85d3", kill_on_drop: false }` [INFO] [stdout] e6846fea51b355675e73de44ae3807ce194d66b77555e59054145044a5bb85d3 [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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 9d4fcc1a171cf3f41ccf1dfa529b9d3da942cf70840b051bddeb5a864dac5607 [INFO] running `Command { std: "docker" "start" "-a" "9d4fcc1a171cf3f41ccf1dfa529b9d3da942cf70840b051bddeb5a864dac5607", kill_on_drop: false }` [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:86:22 [INFO] [stderr] | [INFO] [stderr] 86 | assert_eq!(c.stream_len().unwrap(), 15); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stderr] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `SeekExt::stream_len(...)` to keep using the current method [INFO] [stderr] = help: add `#![feature(seek_convenience)]` to the crate attributes to enable `std::io::Seek::stream_len` [INFO] [stderr] [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:90:22 [INFO] [stderr] | [INFO] [stderr] 90 | assert_eq!(c.stream_len().unwrap(), 15); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `SeekExt::stream_len(...)` to keep using the current method [INFO] [stderr] = help: add `#![feature(seek_convenience)]` to the crate attributes to enable `std::io::Seek::stream_len` [INFO] [stderr] [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:96:22 [INFO] [stderr] | [INFO] [stderr] 96 | assert_eq!(c.stream_len().unwrap(), 15); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `SeekExt::stream_len(...)` to keep using the current method [INFO] [stderr] = help: add `#![feature(seek_convenience)]` to the crate attributes to enable `std::io::Seek::stream_len` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/seek_ext-fb6184890b126d2e [INFO] [stderr] Doc-tests seek-ext [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::stream_len ... ok [INFO] [stdout] test tests::current_position ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - SeekExt::stream_len (line 28) ... ok [INFO] [stdout] test src/lib.rs - SeekExt::current_position (line 55) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9d4fcc1a171cf3f41ccf1dfa529b9d3da942cf70840b051bddeb5a864dac5607", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d4fcc1a171cf3f41ccf1dfa529b9d3da942cf70840b051bddeb5a864dac5607", kill_on_drop: false }` [INFO] [stdout] 9d4fcc1a171cf3f41ccf1dfa529b9d3da942cf70840b051bddeb5a864dac5607