[INFO] fetching crate garando_errors 0.1.0...
[INFO] checking garando_errors-0.1.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate garando_errors 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate garando_errors 0.1.0
[INFO] finished tweaking crates.io crate garando_errors 0.1.0
[INFO] tweaked toml for crates.io crate garando_errors 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate garando_errors 0.1.0 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding term v0.6.1 (available: v1.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c9551a93a3f1c7c5c512b85c5a8cb48ea2c9d51e9084638509d952d704a4863
[INFO] running `Command { std: "docker" "start" "-a" "5c9551a93a3f1c7c5c512b85c5a8cb48ea2c9d51e9084638509d952d704a4863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c9551a93a3f1c7c5c512b85c5a8cb48ea2c9d51e9084638509d952d704a4863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c9551a93a3f1c7c5c512b85c5a8cb48ea2c9d51e9084638509d952d704a4863", kill_on_drop: false }`
[INFO] [stdout] 5c9551a93a3f1c7c5c512b85c5a8cb48ea2c9d51e9084638509d952d704a4863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0303acbb9cda4aed2f0fa5354fa43be29ab699f54b5c05db8acad8c4ea8d823
[INFO] running `Command { std: "docker" "start" "-a" "d0303acbb9cda4aed2f0fa5354fa43be29ab699f54b5c05db8acad8c4ea8d823", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.6
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking garando_pos v0.1.0
[INFO] [stderr]     Checking garando_errors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `SnippetData` is never constructed
[INFO] [stdout]   --> src/snippet.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SnippetData {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `FileInfo` is never constructed
[INFO] [stdout]   --> src/snippet.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct FileInfo {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `codemap` and `files` are never read
[INFO] [stdout]   --> src/snippet.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SnippetData {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 11 |     codemap: Rc<dyn CodeMapper>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     files: Vec<FileInfo>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SnippetData` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file`, `primary_span`, and `lines` are never read
[INFO] [stdout]   --> src/snippet.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct FileInfo {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 17 |     file: Rc<FileMap>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     primary_span: Option<Span>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     lines: Vec<Line>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileInfo` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:412:16
[INFO] [stdout]     |
[INFO] [stdout] 412 |         panic!(ExplicitBug);
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 412 |         panic!("{}", ExplicitBug);
[INFO] [stdout]     |                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 412 -         panic!(ExplicitBug);
[INFO] [stdout] 412 +         std::panic::panic_any(ExplicitBug);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:461:16
[INFO] [stdout]     |
[INFO] [stdout] 461 |         panic!(ExplicitBug);
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 461 |         panic!("{}", ExplicitBug);
[INFO] [stdout]     |                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 461 -         panic!(ExplicitBug);
[INFO] [stdout] 461 +         std::panic::panic_any(ExplicitBug);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:495:16
[INFO] [stdout]     |
[INFO] [stdout] 495 |         panic!(self.fatal(&s));
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 495 |         panic!("{}", self.fatal(&s));
[INFO] [stdout]     |                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 495 -         panic!(self.fatal(&s));
[INFO] [stdout] 495 +         std::panic::panic_any(self.fatal(&s));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `garando_errors` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `SnippetData` is never constructed
[INFO] [stdout]   --> src/snippet.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SnippetData {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `FileInfo` is never constructed
[INFO] [stdout]   --> src/snippet.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct FileInfo {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `codemap` and `files` are never read
[INFO] [stdout]   --> src/snippet.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SnippetData {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 11 |     codemap: Rc<dyn CodeMapper>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     files: Vec<FileInfo>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SnippetData` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file`, `primary_span`, and `lines` are never read
[INFO] [stdout]   --> src/snippet.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct FileInfo {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 17 |     file: Rc<FileMap>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     primary_span: Option<Span>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     lines: Vec<Line>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileInfo` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:412:16
[INFO] [stdout]     |
[INFO] [stdout] 412 |         panic!(ExplicitBug);
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 412 |         panic!("{}", ExplicitBug);
[INFO] [stdout]     |                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 412 -         panic!(ExplicitBug);
[INFO] [stdout] 412 +         std::panic::panic_any(ExplicitBug);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:461:16
[INFO] [stdout]     |
[INFO] [stdout] 461 |         panic!(ExplicitBug);
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 461 |         panic!("{}", ExplicitBug);
[INFO] [stdout]     |                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 461 -         panic!(ExplicitBug);
[INFO] [stdout] 461 +         std::panic::panic_any(ExplicitBug);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:495:16
[INFO] [stdout]     |
[INFO] [stdout] 495 |         panic!(self.fatal(&s));
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 495 |         panic!("{}", self.fatal(&s));
[INFO] [stdout]     |                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 495 -         panic!(self.fatal(&s));
[INFO] [stdout] 495 +         std::panic::panic_any(self.fatal(&s));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `garando_errors` (lib) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d0303acbb9cda4aed2f0fa5354fa43be29ab699f54b5c05db8acad8c4ea8d823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0303acbb9cda4aed2f0fa5354fa43be29ab699f54b5c05db8acad8c4ea8d823", kill_on_drop: false }`
[INFO] [stdout] d0303acbb9cda4aed2f0fa5354fa43be29ab699f54b5c05db8acad8c4ea8d823
