[INFO] cloning repository https://github.com/abetkin/bigint [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abetkin/bigint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabetkin%2Fbigint", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabetkin%2Fbigint'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0655fb1f5d5a5c4328b3f058502a8bb90ff080a5 [INFO] testing abetkin/bigint against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabetkin%2Fbigint" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/abetkin/bigint on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/abetkin/bigint [INFO] finished tweaking git repo https://github.com/abetkin/bigint [INFO] tweaked toml for git repo https://github.com/abetkin/bigint written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/abetkin/bigint already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 458262ac69a7baca6c44a79bcc48bde86005582c6df776502e0744cf50a52759 [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" "458262ac69a7baca6c44a79bcc48bde86005582c6df776502e0744cf50a52759", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "458262ac69a7baca6c44a79bcc48bde86005582c6df776502e0744cf50a52759", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "458262ac69a7baca6c44a79bcc48bde86005582c6df776502e0744cf50a52759", kill_on_drop: false }` [INFO] [stdout] 458262ac69a7baca6c44a79bcc48bde86005582c6df776502e0744cf50a52759 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--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] 7db8d9f3a305e42826fd240d9a22546f43ef66ba5efa62bb6ed7e06cb86c2a1a [INFO] running `Command { std: "docker" "start" "-a" "7db8d9f3a305e42826fd240d9a22546f43ef66ba5efa62bb6ed7e06cb86c2a1a", kill_on_drop: false }` [INFO] [stderr] Compiling bigint v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: format argument must be a string literal [INFO] [stdout] --> src/main.rs:76:19 [INFO] [stdout] | [INFO] [stdout] 76 | write!(f, s.join(", ")); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: you might be missing a string literal to format with [INFO] [stdout] | [INFO] [stdout] 76 | write!(f, "{}", s.join(", ")); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `Vec` doesn't implement `std::fmt::Display` [INFO] [stdout] --> src/main.rs:62:31 [INFO] [stdout] | [INFO] [stdout] 62 | print!("self {}", self.chunks); [INFO] [stdout] | ^^^^^^^^^^^ `Vec` cannot be formatted with the default formatter [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::fmt::Display` is not implemented for `Vec` [INFO] [stdout] = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead [INFO] [stdout] = note: required by `std::fmt::Display::fmt` [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `Vec` doesn't implement `std::fmt::Display` [INFO] [stdout] --> src/main.rs:63:32 [INFO] [stdout] | [INFO] [stdout] 63 | print!("other {}", other.chunks); [INFO] [stdout] | ^^^^^^^^^^^^ `Vec` cannot be formatted with the default formatter [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::fmt::Display` is not implemented for `Vec` [INFO] [stdout] = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead [INFO] [stdout] = note: required by `std::fmt::Display::fmt` [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:71:46 [INFO] [stdout] | [INFO] [stdout] 71 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { [INFO] [stdout] | --- ^^^^^^^^^^^ expected enum `std::result::Result`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] ... [INFO] [stdout] 76 | write!(f, s.join(", ")); [INFO] [stdout] | - help: consider removing this semicolon [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::result::Result<(), std::fmt::Error>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bigint` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "7db8d9f3a305e42826fd240d9a22546f43ef66ba5efa62bb6ed7e06cb86c2a1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7db8d9f3a305e42826fd240d9a22546f43ef66ba5efa62bb6ed7e06cb86c2a1a", kill_on_drop: false }` [INFO] [stdout] 7db8d9f3a305e42826fd240d9a22546f43ef66ba5efa62bb6ed7e06cb86c2a1a