[INFO] fetching crate cose-rust-plus 0.2.0...
[INFO] checking cose-rust-plus-0.2.0 against master#818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc for pr-156114
[INFO] extracting crate cose-rust-plus 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate cose-rust-plus 0.2.0
[INFO] finished tweaking crates.io crate cose-rust-plus 0.2.0
[INFO] tweaked toml for crates.io crate cose-rust-plus 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cose-rust-plus 0.2.0 on toolchain 818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "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" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cbor-codec-plus v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e38ae30a499bd18da7d639c87c091fa7765a4d3859492ad1876f8e248371aab2
[INFO] running `Command { std: "docker" "start" "-a" "e38ae30a499bd18da7d639c87c091fa7765a4d3859492ad1876f8e248371aab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e38ae30a499bd18da7d639c87c091fa7765a4d3859492ad1876f8e248371aab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e38ae30a499bd18da7d639c87c091fa7765a4d3859492ad1876f8e248371aab2", kill_on_drop: false }`
[INFO] [stdout] e38ae30a499bd18da7d639c87c091fa7765a4d3859492ad1876f8e248371aab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c362fcb30e8f5f1602c9d347a96376f325eb4f54ad07ddff0b5c3648405f21a5
[INFO] running `Command { std: "docker" "start" "-a" "c362fcb30e8f5f1602c9d347a96376f325eb4f54ad07ddff0b5c3648405f21a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.80
[INFO] [stderr]    Compiling openssl-src v300.6.0+3.6.2
[INFO] [stderr]     Checking cbor-codec-plus v0.8.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.116
[INFO] [stderr]     Checking cose-rust-plus v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HkdfMode`
[INFO] [stdout]   --> src/algs.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 | use openssl::pkey_ctx::{HkdfMode, PkeyCtx};
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common`
[INFO] [stdout]    --> src/utils.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 | use crate::common;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::headers`
[INFO] [stdout]    --> src/utils.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | use crate::headers;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HkdfMode`
[INFO] [stdout]   --> src/algs.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 | use openssl::pkey_ctx::{HkdfMode, PkeyCtx};
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common`
[INFO] [stdout]    --> src/utils.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 | use crate::common;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::headers`
[INFO] [stdout]    --> src/utils.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | use crate::headers;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cipher_size` is assigned to, but never used
[INFO] [stdout]    --> src/algs.rs:962:17
[INFO] [stdout]     |
[INFO] [stdout] 962 |             let cipher_size;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_cipher_size` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cipher_size` is never read
[INFO] [stdout]    --> src/algs.rs:968:17
[INFO] [stdout]     |
[INFO] [stdout] 965 |                 cipher_size = 16;
[INFO] [stdout]     |                 ---------------- `cipher_size` is overwritten here before the previous value is read
[INFO] [stdout] ...
[INFO] [stdout] 968 |                 cipher_size = 32;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cipher_size` is never read
[INFO] [stdout]    --> src/algs.rs:965:17
[INFO] [stdout]     |
[INFO] [stdout] 965 |                 cipher_size = 16;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OKP_ALGS` is never used
[INFO] [stdout]    --> src/algs.rs:231:18
[INFO] [stdout]     |
[INFO] [stdout] 231 | pub(crate) const OKP_ALGS: [i32; 1] = [EDDSA];
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EC2_ALGS` is never used
[INFO] [stdout]    --> src/algs.rs:232:18
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub(crate) const EC2_ALGS: [i32; 4] = [ES256, ES384, ES512, ES256K];
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RSA_ALGS` is never used
[INFO] [stdout]    --> src/algs.rs:233:18
[INFO] [stdout]     |
[INFO] [stdout] 233 | pub(crate) const RSA_ALGS: [i32; 3] = [PS256, PS384, PS512];
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYMMETRIC_ALGS` is never used
[INFO] [stdout]    --> src/algs.rs:234:18
[INFO] [stdout]     |
[INFO] [stdout] 234 | pub(crate) const SYMMETRIC_ALGS: [i32; 28] = [
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cipher_size` is assigned to, but never used
[INFO] [stdout]    --> src/algs.rs:962:17
[INFO] [stdout]     |
[INFO] [stdout] 962 |             let cipher_size;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_cipher_size` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cipher_size` is never read
[INFO] [stdout]    --> src/algs.rs:968:17
[INFO] [stdout]     |
[INFO] [stdout] 965 |                 cipher_size = 16;
[INFO] [stdout]     |                 ---------------- `cipher_size` is overwritten here before the previous value is read
[INFO] [stdout] ...
[INFO] [stdout] 968 |                 cipher_size = 32;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cipher_size` is never read
[INFO] [stdout]    --> src/algs.rs:965:17
[INFO] [stdout]     |
[INFO] [stdout] 965 |                 cipher_size = 16;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OKP_ALGS` is never used
[INFO] [stdout]    --> src/algs.rs:231:18
[INFO] [stdout]     |
[INFO] [stdout] 231 | pub(crate) const OKP_ALGS: [i32; 1] = [EDDSA];
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EC2_ALGS` is never used
[INFO] [stdout]    --> src/algs.rs:232:18
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub(crate) const EC2_ALGS: [i32; 4] = [ES256, ES384, ES512, ES256K];
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RSA_ALGS` is never used
[INFO] [stdout]    --> src/algs.rs:233:18
[INFO] [stdout]     |
[INFO] [stdout] 233 | pub(crate) const RSA_ALGS: [i32; 3] = [PS256, PS384, PS512];
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYMMETRIC_ALGS` is never used
[INFO] [stdout]    --> src/algs.rs:234:18
[INFO] [stdout]     |
[INFO] [stdout] 234 | pub(crate) const SYMMETRIC_ALGS: [i32; 28] = [
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 01s
[INFO] running `Command { std: "docker" "inspect" "c362fcb30e8f5f1602c9d347a96376f325eb4f54ad07ddff0b5c3648405f21a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c362fcb30e8f5f1602c9d347a96376f325eb4f54ad07ddff0b5c3648405f21a5", kill_on_drop: false }`
[INFO] [stdout] c362fcb30e8f5f1602c9d347a96376f325eb4f54ad07ddff0b5c3648405f21a5
