[INFO] fetching crate flexstr 0.9.1...
[INFO] testing flexstr-0.9.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate flexstr 0.9.1 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate flexstr 0.9.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flexstr 0.9.1
[INFO] finished tweaking crates.io crate flexstr 0.9.1
[INFO] tweaked toml for crates.io crate flexstr 0.9.1 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cbd0e30d132ecfa952fd51b5ea0bb877b5487da985458746067e4abf4541797
[INFO] running `Command { std: "docker" "start" "-a" "0cbd0e30d132ecfa952fd51b5ea0bb877b5487da985458746067e4abf4541797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cbd0e30d132ecfa952fd51b5ea0bb877b5487da985458746067e4abf4541797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cbd0e30d132ecfa952fd51b5ea0bb877b5487da985458746067e4abf4541797", kill_on_drop: false }`
[INFO] [stdout] 0cbd0e30d132ecfa952fd51b5ea0bb877b5487da985458746067e4abf4541797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65a585f48a51db5012a25cfacecf6052074ab0f7659a55e007339a30ae939c0d
[INFO] running `Command { std: "docker" "start" "-a" "65a585f48a51db5012a25cfacecf6052074ab0f7659a55e007339a30ae939c0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling flexstr v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "65a585f48a51db5012a25cfacecf6052074ab0f7659a55e007339a30ae939c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a585f48a51db5012a25cfacecf6052074ab0f7659a55e007339a30ae939c0d", kill_on_drop: false }`
[INFO] [stdout] 65a585f48a51db5012a25cfacecf6052074ab0f7659a55e007339a30ae939c0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33e88a4c27c3229f480de396e50cf7c30be4c3e9caef78c1eed144b19cf6aba4
[INFO] running `Command { std: "docker" "start" "-a" "33e88a4c27c3229f480de396e50cf7c30be4c3e9caef78c1eed144b19cf6aba4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling flexstr v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.18s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/flexstr-9dc3fde2fb5436a9)
[INFO] running `Command { std: "docker" "inspect" "33e88a4c27c3229f480de396e50cf7c30be4c3e9caef78c1eed144b19cf6aba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e88a4c27c3229f480de396e50cf7c30be4c3e9caef78c1eed144b19cf6aba4", kill_on_drop: false }`
[INFO] [stdout] 33e88a4c27c3229f480de396e50cf7c30be4c3e9caef78c1eed144b19cf6aba4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59112068e4f8e0db8c8abd433de29ec21546dbba79046775dcc041de3460427c
[INFO] running `Command { std: "docker" "start" "-a" "59112068e4f8e0db8c8abd433de29ec21546dbba79046775dcc041de3460427c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flexstr-9dc3fde2fb5436a9)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test builder::tests::flex_str_builder_promotion ... ok
[INFO] [stdout] test inline::tests::bad_init ... ok
[INFO] [stdout] test builder::tests::string_buffer ... ok
[INFO] [stdout] test inline::tests::empty ... ok
[INFO] [stdout] test inline::tests::bad_concat ... ok
[INFO] [stdout] test inline::tests::good_concat ... ok
[INFO] [stdout] test inline::tests::good_init ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flexstr
[INFO] [stderr] error: couldn't read /opt/rustwide/workdir/src/../../README.md: No such file or directory (os error 2)
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:124:24
[INFO] [stderr]     |
[INFO] [stderr] 124 |     external_doc_test!(include_str!("../../README.md"));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "59112068e4f8e0db8c8abd433de29ec21546dbba79046775dcc041de3460427c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59112068e4f8e0db8c8abd433de29ec21546dbba79046775dcc041de3460427c", kill_on_drop: false }`
[INFO] [stdout] 59112068e4f8e0db8c8abd433de29ec21546dbba79046775dcc041de3460427c