[INFO] fetching crate fstrings-rust 1.0.1...
[INFO] checking fstrings-rust-1.0.1 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate fstrings-rust 1.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate fstrings-rust 1.0.1 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fstrings-rust 1.0.1
[INFO] finished tweaking crates.io crate fstrings-rust 1.0.1
[INFO] tweaked toml for crates.io crate fstrings-rust 1.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate fstrings-rust 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fstrings-rust-proc-macro v1.0.0
[INFO] [stderr]   Downloaded syn v1.0.69
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c19af823ab5c5da510c3ade08383d45a96017cadb2c2400680dcb83eca683278
[INFO] running `Command { std: "docker" "start" "-a" "c19af823ab5c5da510c3ade08383d45a96017cadb2c2400680dcb83eca683278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c19af823ab5c5da510c3ade08383d45a96017cadb2c2400680dcb83eca683278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c19af823ab5c5da510c3ade08383d45a96017cadb2c2400680dcb83eca683278", kill_on_drop: false }`
[INFO] [stdout] c19af823ab5c5da510c3ade08383d45a96017cadb2c2400680dcb83eca683278
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aba6f6804f3b56d343a08c3ef51c28099945154380d98178449144bcdc515f35
[INFO] running `Command { std: "docker" "start" "-a" "aba6f6804f3b56d343a08c3ef51c28099945154380d98178449144bcdc515f35", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling fstrings-rust-proc-macro v1.0.0
[INFO] [stderr]     Checking fstrings-rust v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `fstrings`
[INFO] [stdout]  --> examples/readme.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate fstrings;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `println_f` in this scope
[INFO] [stdout]  --> examples/readme.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     println_f!("Hello, {name}!");
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]  --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/macros.rs:138:1
[INFO] [stdout]   |
[INFO] [stdout]   = note: similarly named macro `println` defined here
[INFO] [stdout]   |
[INFO] [stdout] help: a macro with a similar name exists
[INFO] [stdout]   |
[INFO] [stdout] 9 |     println!("Hello, {name}!");
[INFO] [stdout]   |     ~~~~~~~
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 1 + use fstrings_rust::println_f;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `f` in this scope
[INFO] [stdout]   --> examples/readme.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         f!("Hello, {name}!"), // shorthand for String creation (Python-like)
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 1  + use fstrings_rust::f;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `f` in this scope
[INFO] [stdout]   --> examples/readme.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             f!("{hi}, {name}!", hi = "Hello"),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 1  + use fstrings_rust::f;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `f` in this scope
[INFO] [stdout]   --> examples/readme.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             f!("Hello, {name}!", name = "Earth"),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 1  + use fstrings_rust::f;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `f` in this scope
[INFO] [stdout]   --> examples/readme.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             f!("Hello, {foo.name}!"),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 1  + use fstrings_rust::f;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `f` in this scope
[INFO] [stdout]   --> examples/readme.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             f!("Hello, {ft_and_name.1}!"),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 1  + use fstrings_rust::f;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `f` in this scope
[INFO] [stdout]   --> examples/readme.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             f!("In this context {x=}"),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 1  + use fstrings_rust::f;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fstrings-rust` (example "readme") due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "aba6f6804f3b56d343a08c3ef51c28099945154380d98178449144bcdc515f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba6f6804f3b56d343a08c3ef51c28099945154380d98178449144bcdc515f35", kill_on_drop: false }`
[INFO] [stdout] aba6f6804f3b56d343a08c3ef51c28099945154380d98178449144bcdc515f35