[INFO] cloning repository https://github.com/unional/rusty-guidebook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unional/rusty-guidebook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funional%2Frusty-guidebook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funional%2Frusty-guidebook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5df318b063b69bba8bffae2ce4931382e18114c
[INFO] testing unional/rusty-guidebook against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funional%2Frusty-guidebook" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unional/rusty-guidebook on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/unional/rusty-guidebook
[INFO] finished tweaking git repo https://github.com/unional/rusty-guidebook
[INFO] tweaked toml for git repo https://github.com/unional/rusty-guidebook written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/unional/rusty-guidebook already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", 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] 839ddeea6c73e69ec44c3f83347665547c16245aadbc3945da331084a5e678be
[INFO] running `Command { std: "docker" "start" "-a" "839ddeea6c73e69ec44c3f83347665547c16245aadbc3945da331084a5e678be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "839ddeea6c73e69ec44c3f83347665547c16245aadbc3945da331084a5e678be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839ddeea6c73e69ec44c3f83347665547c16245aadbc3945da331084a5e678be", kill_on_drop: false }`
[INFO] [stdout] 839ddeea6c73e69ec44c3f83347665547c16245aadbc3945da331084a5e678be
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b9ed838594f2a6cb7764e3eb97f76958141f2d443c8ef719ff9edfec6e9bfbf
[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" "4b9ed838594f2a6cb7764e3eb97f76958141f2d443c8ef719ff9edfec6e9bfbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `s`
[INFO] [stdout]  --> src/lifetimes.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 |   s: String,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "4b9ed838594f2a6cb7764e3eb97f76958141f2d443c8ef719ff9edfec6e9bfbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9ed838594f2a6cb7764e3eb97f76958141f2d443c8ef719ff9edfec6e9bfbf", kill_on_drop: false }`
[INFO] [stdout] 4b9ed838594f2a6cb7764e3eb97f76958141f2d443c8ef719ff9edfec6e9bfbf
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96387071a595e9d20df4a760b0ab4326544a4ba28ec85a27d208a8d21bb74847
[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" "96387071a595e9d20df4a760b0ab4326544a4ba28ec85a27d208a8d21bb74847", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `s`
[INFO] [stdout]  --> src/lifetimes.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 |   s: String,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `s`
[INFO] [stdout]  --> src/lifetimes.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 |   s: String,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "96387071a595e9d20df4a760b0ab4326544a4ba28ec85a27d208a8d21bb74847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96387071a595e9d20df4a760b0ab4326544a4ba28ec85a27d208a8d21bb74847", kill_on_drop: false }`
[INFO] [stdout] 96387071a595e9d20df4a760b0ab4326544a4ba28ec85a27d208a8d21bb74847
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fcf2b8c152a6c82309d47f63120e308a910af48ad985df57b121b68d1db8a8b
[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" "7fcf2b8c152a6c82309d47f63120e308a910af48ad985df57b121b68d1db8a8b", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `s`
[INFO] [stderr]  --> src/lifetimes.rs:3:3
[INFO] [stderr]   |
[INFO] [stderr] 3 |   s: String,
[INFO] [stderr]   |   ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust` (lib) generated 1 warning
[INFO] [stderr] warning: `rust` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust-d0c9e2933eb6c0df)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test _examples::blog_post::blog_post ... ok
[INFO] [stdout] test _examples::longest::tests::get_longest_between_two_scopes ... ok
[INFO] [stdout] test _examples::overlap_traits::tests::barking ... ok
[INFO] [stdout] test boxes::assume_ownership ... ok
[INFO] [stdout] test functions::basic::primitive_is_copied ... ok
[INFO] [stdout] test functions::basic::using_trait_in_fn_param ... ok
[INFO] [stdout] test closures::curry::plus_curry ... ok
[INFO] [stdout] test hashmaps::main2 ... ok
[INFO] [stdout] test lifetimes::lifetime ... ok
[INFO] [stdout] test guesses::get_guess ... ok
[INFO] [stdout] test operators::plus_operator ... ok
[INFO] [stdout] test _examples::borrows::tests::cannot_mul_borrow_with_immut_borrower ... ok
[INFO] [stdout] test _examples::filter_shoe_size::tests::filters_by_size ... ok
[INFO] [stdout] test structs::try_to_tuple ... ok
[INFO] [stdout] test arrays::collect_vector ... ok
[INFO] [stdout] test hashmaps::main ... ok
[INFO] [stdout] test closures::curry::mutate_captured ... ok
[INFO] [stdout] test _examples::borrows::tests::multiple_immut_borrows ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests 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] running `Command { std: "docker" "inspect" "7fcf2b8c152a6c82309d47f63120e308a910af48ad985df57b121b68d1db8a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fcf2b8c152a6c82309d47f63120e308a910af48ad985df57b121b68d1db8a8b", kill_on_drop: false }`
[INFO] [stdout] 7fcf2b8c152a6c82309d47f63120e308a910af48ad985df57b121b68d1db8a8b