[INFO] fetching crate serde_cose 0.1.4... [INFO] checking serde_cose-0.1.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate serde_cose 0.1.4 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate serde_cose 0.1.4 [INFO] finished tweaking crates.io crate serde_cose 0.1.4 [INFO] tweaked toml for crates.io crate serde_cose 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate serde_cose 0.1.4 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate serde_cose 0.1.4 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 766a20f63b91d8a4b83fe7cf26d33571eaef65574b5213d4b4ea22afbd403034 [INFO] running `Command { std: "docker" "start" "-a" "766a20f63b91d8a4b83fe7cf26d33571eaef65574b5213d4b4ea22afbd403034", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "766a20f63b91d8a4b83fe7cf26d33571eaef65574b5213d4b4ea22afbd403034", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "766a20f63b91d8a4b83fe7cf26d33571eaef65574b5213d4b4ea22afbd403034", kill_on_drop: false }` [INFO] [stdout] 766a20f63b91d8a4b83fe7cf26d33571eaef65574b5213d4b4ea22afbd403034 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 998dd0e7d483e88cb3cdc662c28f1620a6cac9e1f56c7bfb69fa04b4420fd1c3 [INFO] running `Command { std: "docker" "start" "-a" "998dd0e7d483e88cb3cdc662c28f1620a6cac9e1f56c7bfb69fa04b4420fd1c3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking zeroize v1.1.1 [INFO] [stderr] Checking subtle v2.3.0 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking curve25519-dalek v3.0.0 [INFO] [stderr] Checking sha2 v0.9.1 [INFO] [stderr] Compiling thiserror-impl v1.0.21 [INFO] [stderr] Compiling serde_repr v0.1.6 [INFO] [stderr] Checking thiserror v1.0.21 [INFO] [stderr] Checking ed25519-zebra v2.2.0 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking serde_bytes v0.11.5 [INFO] [stderr] Checking serde_cose v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `convert::TryFrom` [INFO] [stdout] --> src/sign1.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | use std::{collections, convert::TryFrom}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/verify_sign1_ed25519.rs:24:25 [INFO] [stdout] | [INFO] [stdout] 24 | public_key: SigningKey::try_from( [INFO] [stdout] | _________________________^ [INFO] [stdout] 25 | | <[u8; 32]>::try_from( [INFO] [stdout] 26 | | &hex::decode( [INFO] [stdout] 27 | | &"d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a", [INFO] [stdout] ... | [INFO] [stdout] 31 | | .unwrap(), [INFO] [stdout] 32 | | ) [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> examples/verify_sign1_ed25519.rs:35:22 [INFO] [stdout] | [INFO] [stdout] 35 | id => panic!(format!("user {} not found", id)), [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 [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 35 - id => panic!(format!("user {} not found", id)), [INFO] [stdout] 35 + id => panic!("user {} not found", id), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serde_cose` (example "verify_sign1_ed25519") due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `plaintext` is never read [INFO] [stdout] --> tests/serde_cose_test.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | struct Input { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 14 | plaintext: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Input` has a derived impl for the trait `Debug`, 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] error: this type will no longer be must used: Result<[u8; 32], Infallible> [INFO] [stdout] --> src/sign1.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | <[u8; 32]>::try_from(verification_key).unwrap().to_vec(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sign1.rs:128:9 [INFO] [stdout] | [INFO] [stdout] 128 | key.verify(&mut sign1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 128 | let _ = key.verify(&mut sign1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serde_cose` (lib test) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "998dd0e7d483e88cb3cdc662c28f1620a6cac9e1f56c7bfb69fa04b4420fd1c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "998dd0e7d483e88cb3cdc662c28f1620a6cac9e1f56c7bfb69fa04b4420fd1c3", kill_on_drop: false }` [INFO] [stdout] 998dd0e7d483e88cb3cdc662c28f1620a6cac9e1f56c7bfb69fa04b4420fd1c3