[INFO] fetching crate quotemeta 0.1.1...
[INFO] testing quotemeta-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate quotemeta 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate quotemeta 0.1.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quotemeta 0.1.1
[INFO] finished tweaking crates.io crate quotemeta 0.1.1
[INFO] tweaked toml for crates.io crate quotemeta 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate quotemeta 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 871ee6c04720b696eb7ee3cb0fc48c519f0794148036e71784806d99b4b3ec5a
[INFO] running `Command { std: "docker" "start" "-a" "871ee6c04720b696eb7ee3cb0fc48c519f0794148036e71784806d99b4b3ec5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "871ee6c04720b696eb7ee3cb0fc48c519f0794148036e71784806d99b4b3ec5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "871ee6c04720b696eb7ee3cb0fc48c519f0794148036e71784806d99b4b3ec5a", kill_on_drop: false }`
[INFO] [stdout] 871ee6c04720b696eb7ee3cb0fc48c519f0794148036e71784806d99b4b3ec5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f1b35ada81f42505b665e5086030091a83d601c948a65b5f924e110c5ea1436
[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" "2f1b35ada81f42505b665e5086030091a83d601c948a65b5f924e110c5ea1436", kill_on_drop: false }`
[INFO] [stderr]    Compiling quotemeta v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "2f1b35ada81f42505b665e5086030091a83d601c948a65b5f924e110c5ea1436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1b35ada81f42505b665e5086030091a83d601c948a65b5f924e110c5ea1436", kill_on_drop: false }`
[INFO] [stdout] 2f1b35ada81f42505b665e5086030091a83d601c948a65b5f924e110c5ea1436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--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] e1511ea1f279401c341ce71beee8b7d65a94f126b2c99bbee7200c5418b10e87
[INFO] running `Command { std: "docker" "start" "-a" "e1511ea1f279401c341ce71beee8b7d65a94f126b2c99bbee7200c5418b10e87", kill_on_drop: false }`
[INFO] [stderr]    Compiling quotemeta v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]  --> tests/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     borrow::Cow,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `unquotemeta_types`
[INFO] [stdout]   --> tests/tests.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |     macro_rules! unquotemeta_types {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "e1511ea1f279401c341ce71beee8b7d65a94f126b2c99bbee7200c5418b10e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1511ea1f279401c341ce71beee8b7d65a94f126b2c99bbee7200c5418b10e87", kill_on_drop: false }`
[INFO] [stdout] e1511ea1f279401c341ce71beee8b7d65a94f126b2c99bbee7200c5418b10e87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee79fccaf96837e2d1b239af67aa699d89fc37b26079cedea7f11e219f065c1a
[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" "ee79fccaf96837e2d1b239af67aa699d89fc37b26079cedea7f11e219f065c1a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `borrow::Cow`
[INFO] [stdout] 
[INFO] [stderr]  --> tests/tests.rs:3:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 3 |     borrow::Cow,
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `unquotemeta_types`
[INFO] [stderr]   --> tests/tests.rs:45:18
[INFO] [stderr]    |
[INFO] [stderr] 45 |     macro_rules! unquotemeta_types {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `quotemeta` (test "tests") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quotemeta-376c447015f6d781)
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-54199b6add3242bb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test quotemeta_unquotemeta ... ok
[INFO] [stdout] test test_types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests quotemeta
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:32:53
[INFO] [stderr]    |
[INFO] [stderr] 32 | #![cfg_attr(any(doc, feature = "unstable-doc-cfg"), feature(doc_auto_cfg))]
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "ee79fccaf96837e2d1b239af67aa699d89fc37b26079cedea7f11e219f065c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee79fccaf96837e2d1b239af67aa699d89fc37b26079cedea7f11e219f065c1a", kill_on_drop: false }`
[INFO] [stdout] ee79fccaf96837e2d1b239af67aa699d89fc37b26079cedea7f11e219f065c1a