[INFO] fetching crate yaml-peg 0.22.0...
[INFO] testing yaml-peg-0.22.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate yaml-peg 0.22.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate yaml-peg 0.22.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yaml-peg 0.22.0
[INFO] finished tweaking crates.io crate yaml-peg 0.22.0
[INFO] tweaked toml for crates.io crate yaml-peg 0.22.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1973b01ade94dcba90cd1e1c9c024bcb77e1d16ffcb46fb9e0e6dfdbfe28dcf2
[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" "1973b01ade94dcba90cd1e1c9c024bcb77e1d16ffcb46fb9e0e6dfdbfe28dcf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1973b01ade94dcba90cd1e1c9c024bcb77e1d16ffcb46fb9e0e6dfdbfe28dcf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1973b01ade94dcba90cd1e1c9c024bcb77e1d16ffcb46fb9e0e6dfdbfe28dcf2", kill_on_drop: false }`
[INFO] [stdout] 1973b01ade94dcba90cd1e1c9c024bcb77e1d16ffcb46fb9e0e6dfdbfe28dcf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e56c6fabc955b90992fd1c374dfdfb3ac76c38285a64dab1ee4c5ff9d5311af0
[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" "e56c6fabc955b90992fd1c374dfdfb3ac76c38285a64dab1ee4c5ff9d5311af0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling griddle v0.5.2
[INFO] [stderr]    Compiling ritelinked v0.3.2
[INFO] [stderr]    Compiling yaml-peg v0.22.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.58s
[INFO] running `Command { std: "docker" "inspect" "e56c6fabc955b90992fd1c374dfdfb3ac76c38285a64dab1ee4c5ff9d5311af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56c6fabc955b90992fd1c374dfdfb3ac76c38285a64dab1ee4c5ff9d5311af0", kill_on_drop: false }`
[INFO] [stdout] e56c6fabc955b90992fd1c374dfdfb3ac76c38285a64dab1ee4c5ff9d5311af0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ae3378bc45d72a9962e49ead75944fffe59e9c15fd3376c5be9aef0fad6005a
[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" "6ae3378bc45d72a9962e49ead75944fffe59e9c15fd3376c5be9aef0fad6005a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling yaml-peg v0.22.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `String` in this scope
[INFO] [stdout]     --> src/tests/mod.rs:4:19
[INFO] [stdout]      |
[INFO] [stdout] 4    |   fn show_err<E>(e: String) -> E {
[INFO] [stdout]      |                     ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]      |
[INFO] [stdout] 4    | fn show_err<E>(e: ToString) -> E {
[INFO] [stdout]      |                   ~~~~~~~~
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]      |
[INFO] [stdout] 1    | use alloc::string::String;
[INFO] [stdout]      |
[INFO] [stdout] 1    | use crate::tests::alloc::string::String;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yaml-peg` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6ae3378bc45d72a9962e49ead75944fffe59e9c15fd3376c5be9aef0fad6005a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae3378bc45d72a9962e49ead75944fffe59e9c15fd3376c5be9aef0fad6005a", kill_on_drop: false }`
[INFO] [stdout] 6ae3378bc45d72a9962e49ead75944fffe59e9c15fd3376c5be9aef0fad6005a