[INFO] fetching crate gitar 0.1.1...
[INFO] testing gitar-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate gitar 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate gitar 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gitar 0.1.1
[INFO] finished tweaking crates.io crate gitar 0.1.1
[INFO] tweaked toml for crates.io crate gitar 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate gitar 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v5.1.1
[INFO] [stderr]   Downloaded lexical-core v0.6.7
[INFO] [stderr]   Downloaded syn v1.0.19
[INFO] [stderr]   Downloaded minstrel v0.3.1
[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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00c4632ed4b9b2fb20dae0276b5100040cae3761b1cd2afa19e3876e907c1c3c
[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" "00c4632ed4b9b2fb20dae0276b5100040cae3761b1cd2afa19e3876e907c1c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00c4632ed4b9b2fb20dae0276b5100040cae3761b1cd2afa19e3876e907c1c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c4632ed4b9b2fb20dae0276b5100040cae3761b1cd2afa19e3876e907c1c3c", kill_on_drop: false }`
[INFO] [stdout] 00c4632ed4b9b2fb20dae0276b5100040cae3761b1cd2afa19e3876e907c1c3c
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a328659ccaf8aeb5abd82952754f05292eb55c5bd594588e1ad052c68935698
[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" "9a328659ccaf8aeb5abd82952754f05292eb55c5bd594588e1ad052c68935698", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling minstrel v0.3.1
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling gitar v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.10s
[INFO] running `Command { std: "docker" "inspect" "9a328659ccaf8aeb5abd82952754f05292eb55c5bd594588e1ad052c68935698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a328659ccaf8aeb5abd82952754f05292eb55c5bd594588e1ad052c68935698", kill_on_drop: false }`
[INFO] [stdout] 9a328659ccaf8aeb5abd82952754f05292eb55c5bd594588e1ad052c68935698
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc927c09f6fee29ceab66845a23894cc3600b1db36806bc5c64de4623ffe1d16
[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" "fc927c09f6fee29ceab66845a23894cc3600b1db36806bc5c64de4623ffe1d16", kill_on_drop: false }`
[INFO] [stderr]    Compiling gitar v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "fc927c09f6fee29ceab66845a23894cc3600b1db36806bc5c64de4623ffe1d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc927c09f6fee29ceab66845a23894cc3600b1db36806bc5c64de4623ffe1d16", kill_on_drop: false }`
[INFO] [stdout] fc927c09f6fee29ceab66845a23894cc3600b1db36806bc5c64de4623ffe1d16
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 877e7a07d61ac36cfb3894bce5cbdb2af1e554bab2c008cafca435daff359fe0
[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" "877e7a07d61ac36cfb3894bce5cbdb2af1e554bab2c008cafca435daff359fe0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gitar-369d5caf31701322
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gitar-6baf0ab294eb3057
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gitar
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/guitar.rs - guitar::GuitarString::new (line 61) ... FAILED
[INFO] [stdout] test src/guitar.rs - guitar::Guitar::locations (line 16) ... FAILED
[INFO] [stdout] test src/luthier.rs - luthier::Luthier::string (line 34) ... ok
[INFO] [stdout] test src/luthier.rs - luthier::Luthier::new (line 18) ... ok
[INFO] [stdout] test src/luthier.rs - luthier::Luthier::add_capo (line 65) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/guitar.rs - guitar::GuitarString::new (line 61) stdout ----
[INFO] [stdout] error[E0603]: struct `GuitarString` is private
[INFO] [stdout]  --> src/guitar.rs:62:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use gitar::GuitarString;
[INFO] [stdout]   |            ^^^^^^^^^^^^ private struct
[INFO] [stdout]   |
[INFO] [stdout] note: the struct `GuitarString` is defined here
[INFO] [stdout]  --> /opt/rustwide/workdir/src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use guitar::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/guitar.rs - guitar::Guitar::locations (line 16) stdout ----
[INFO] [stdout] error[E0624]: associated function `new` is private
[INFO] [stdout]   --> src/guitar.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |         FretboardLocation::new(4, 2),
[INFO] [stdout]    |                            ^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: associated function `new` is private
[INFO] [stdout]   --> src/guitar.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |         FretboardLocation::new(5, 7),
[INFO] [stdout]    |                            ^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: associated function `new` is private
[INFO] [stdout]   --> src/guitar.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 17 |         FretboardLocation::new(6, 12)
[INFO] [stdout]    |                            ^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0624`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/guitar.rs - guitar::Guitar::locations (line 16)
[INFO] [stdout]     src/guitar.rs - guitar::GuitarString::new (line 61)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "877e7a07d61ac36cfb3894bce5cbdb2af1e554bab2c008cafca435daff359fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877e7a07d61ac36cfb3894bce5cbdb2af1e554bab2c008cafca435daff359fe0", kill_on_drop: false }`
[INFO] [stdout] 877e7a07d61ac36cfb3894bce5cbdb2af1e554bab2c008cafca435daff359fe0