[INFO] fetching crate string_mac 1.0.0...
[INFO] testing string_mac-1.0.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate string_mac 1.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate string_mac 1.0.0
[INFO] finished tweaking crates.io crate string_mac 1.0.0
[INFO] tweaked toml for crates.io crate string_mac 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate string_mac 1.0.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aedaee580547d7e61999f160fbe9b3d7c911884ed63c58a78406e444b42d8e18
[INFO] running `Command { std: "docker" "start" "-a" "aedaee580547d7e61999f160fbe9b3d7c911884ed63c58a78406e444b42d8e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aedaee580547d7e61999f160fbe9b3d7c911884ed63c58a78406e444b42d8e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedaee580547d7e61999f160fbe9b3d7c911884ed63c58a78406e444b42d8e18", kill_on_drop: false }`
[INFO] [stdout] aedaee580547d7e61999f160fbe9b3d7c911884ed63c58a78406e444b42d8e18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ae8c1aa28789ae016de88e7c53abea5cf0b98e46e987695e9a0eb4cc5505054
[INFO] running `Command { std: "docker" "start" "-a" "1ae8c1aa28789ae016de88e7c53abea5cf0b98e46e987695e9a0eb4cc5505054", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_mac v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "1ae8c1aa28789ae016de88e7c53abea5cf0b98e46e987695e9a0eb4cc5505054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae8c1aa28789ae016de88e7c53abea5cf0b98e46e987695e9a0eb4cc5505054", kill_on_drop: false }`
[INFO] [stdout] 1ae8c1aa28789ae016de88e7c53abea5cf0b98e46e987695e9a0eb4cc5505054
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5051d419fef7cc32d122a55b96b90bd93f0079b285025d0cab3c2b5e5bb567e
[INFO] running `Command { std: "docker" "start" "-a" "b5051d419fef7cc32d122a55b96b90bd93f0079b285025d0cab3c2b5e5bb567e", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_mac v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "b5051d419fef7cc32d122a55b96b90bd93f0079b285025d0cab3c2b5e5bb567e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5051d419fef7cc32d122a55b96b90bd93f0079b285025d0cab3c2b5e5bb567e", kill_on_drop: false }`
[INFO] [stdout] b5051d419fef7cc32d122a55b96b90bd93f0079b285025d0cab3c2b5e5bb567e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4c376c6d42e5c41ffa1db41468553124d54520c09a0ad4cb44a10da8cfe61af
[INFO] running `Command { std: "docker" "start" "-a" "b4c376c6d42e5c41ffa1db41468553124d54520c09a0ad4cb44a10da8cfe61af", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/lib.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `string_mac` (lib test) generated 1 warning (run `cargo fix --lib -p string_mac --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/string_mac-883b962daca40332)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string_mac
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - string (line 6) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - string (line 6) stdout ----
[INFO] [stdout] error: cannot find macro `string` in this scope
[INFO] [stdout]  --> src/lib.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | let s = string!("some kind of string");
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 6 + use string_mac::string;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - string (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b4c376c6d42e5c41ffa1db41468553124d54520c09a0ad4cb44a10da8cfe61af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c376c6d42e5c41ffa1db41468553124d54520c09a0ad4cb44a10da8cfe61af", kill_on_drop: false }`
[INFO] [stdout] b4c376c6d42e5c41ffa1db41468553124d54520c09a0ad4cb44a10da8cfe61af