[INFO] updating cached repository https://github.com/alphalpha/librarian [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3168cc79609275cf6b0ac99d306ab900133a04c5 [INFO] testing alphalpha/librarian against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falphalpha%2Flibrarian" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alphalpha/librarian on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/alphalpha/librarian [INFO] finished tweaking git repo https://github.com/alphalpha/librarian [INFO] tweaked toml for git repo https://github.com/alphalpha/librarian written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/alphalpha/librarian already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 622162f457194b548243c9ed7e1a9ae029ee87d02ee545da2c1945f82bbfa1a3 [INFO] running `"docker" "start" "-a" "622162f457194b548243c9ed7e1a9ae029ee87d02ee545da2c1945f82bbfa1a3"` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.43 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling encoding_index_tests v0.1.4 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling derive_builder v0.7.2 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling encoding v0.2.33 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling flate2 v1.0.9 [INFO] [stderr] Compiling regex v1.2.1 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling darling_core v0.9.0 [INFO] [stderr] Compiling darling_macro v0.9.0 [INFO] [stderr] Compiling darling v0.9.0 [INFO] [stderr] Compiling derive_builder_core v0.5.0 [INFO] [stderr] Compiling id3 v0.3.0 [INFO] [stderr] Compiling librarian v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `str` [INFO] [stderr] --> src/error.rs:2:20 [INFO] [stderr] | [INFO] [stderr] 2 | use std::{fmt, io, str}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tag` [INFO] [stderr] --> src/lib.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let tag = Tag::read_from_path(source).map_err(Error::from)?; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_tag` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `target` [INFO] [stderr] --> src/lib.rs:8:45 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn tags_to_file_system(source: PathBuf, target: PathBuf) -> Result<(), Error> { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 28s [INFO] running `"docker" "inspect" "622162f457194b548243c9ed7e1a9ae029ee87d02ee545da2c1945f82bbfa1a3"` [INFO] running `"docker" "rm" "-f" "622162f457194b548243c9ed7e1a9ae029ee87d02ee545da2c1945f82bbfa1a3"` [INFO] [stdout] 622162f457194b548243c9ed7e1a9ae029ee87d02ee545da2c1945f82bbfa1a3 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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] bf1ae9957d59c31d040612c4166177fe2a95797b43bde5ae95802c52d46017c3 [INFO] running `"docker" "start" "-a" "bf1ae9957d59c31d040612c4166177fe2a95797b43bde5ae95802c52d46017c3"` [INFO] [stderr] Compiling librarian v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `str` [INFO] [stderr] --> src/error.rs:2:20 [INFO] [stderr] | [INFO] [stderr] 2 | use std::{fmt, io, str}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tag` [INFO] [stderr] --> src/lib.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let tag = Tag::read_from_path(source).map_err(Error::from)?; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_tag` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `target` [INFO] [stderr] --> src/lib.rs:8:45 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn tags_to_file_system(source: PathBuf, target: PathBuf) -> Result<(), Error> { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `str` [INFO] [stderr] --> src/error.rs:2:20 [INFO] [stderr] | [INFO] [stderr] 2 | use std::{fmt, io, str}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tag` [INFO] [stderr] --> src/lib.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let tag = Tag::read_from_path(source).map_err(Error::from)?; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_tag` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `target` [INFO] [stderr] --> src/lib.rs:8:45 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn tags_to_file_system(source: PathBuf, target: PathBuf) -> Result<(), Error> { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.55s [INFO] running `"docker" "inspect" "bf1ae9957d59c31d040612c4166177fe2a95797b43bde5ae95802c52d46017c3"` [INFO] running `"docker" "rm" "-f" "bf1ae9957d59c31d040612c4166177fe2a95797b43bde5ae95802c52d46017c3"` [INFO] [stdout] bf1ae9957d59c31d040612c4166177fe2a95797b43bde5ae95802c52d46017c3 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 486731c771fd92d66ee3b4cce23157df1f1b63034df5d7539c76f4dad9e48d9e [INFO] running `"docker" "start" "-a" "486731c771fd92d66ee3b4cce23157df1f1b63034df5d7539c76f4dad9e48d9e"` [INFO] [stderr] warning: unused import: `str` [INFO] [stderr] --> src/error.rs:2:20 [INFO] [stderr] | [INFO] [stderr] 2 | use std::{fmt, io, str}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tag` [INFO] [stderr] --> src/lib.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let tag = Tag::read_from_path(source).map_err(Error::from)?; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_tag` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `target` [INFO] [stderr] --> src/lib.rs:8:45 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn tags_to_file_system(source: PathBuf, target: PathBuf) -> Result<(), Error> { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `str` [INFO] [stderr] --> src/error.rs:2:20 [INFO] [stderr] | [INFO] [stderr] 2 | use std::{fmt, io, str}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tag` [INFO] [stderr] --> src/lib.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let tag = Tag::read_from_path(source).map_err(Error::from)?; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_tag` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `target` [INFO] [stderr] --> src/lib.rs:8:45 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn tags_to_file_system(source: PathBuf, target: PathBuf) -> Result<(), Error> { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/librarian-5678904b37d76300 [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/librarian-60f2bf4c06adbf60 [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] Doc-tests librarian [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" "486731c771fd92d66ee3b4cce23157df1f1b63034df5d7539c76f4dad9e48d9e"` [INFO] running `"docker" "rm" "-f" "486731c771fd92d66ee3b4cce23157df1f1b63034df5d7539c76f4dad9e48d9e"` [INFO] [stdout] 486731c771fd92d66ee3b4cce23157df1f1b63034df5d7539c76f4dad9e48d9e