[INFO] fetching crate cose-rust 0.1.7...
[INFO] testing cose-rust-0.1.7 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate cose-rust 0.1.7 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate cose-rust 0.1.7
[INFO] finished tweaking crates.io crate cose-rust 0.1.7
[INFO] tweaked toml for crates.io crate cose-rust 0.1.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cose-rust 0.1.7 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cbor-codec v0.7.1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6487c2b9ec98fe4aa5f3353f135566213b9c971a9118a6277d6a4e399d05890
[INFO] running `Command { std: "docker" "start" "-a" "e6487c2b9ec98fe4aa5f3353f135566213b9c971a9118a6277d6a4e399d05890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6487c2b9ec98fe4aa5f3353f135566213b9c971a9118a6277d6a4e399d05890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6487c2b9ec98fe4aa5f3353f135566213b9c971a9118a6277d6a4e399d05890", kill_on_drop: false }`
[INFO] [stdout] e6487c2b9ec98fe4aa5f3353f135566213b9c971a9118a6277d6a4e399d05890
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf8f06d4a5453f107df9f5452be285c31c398f7f4b00412ec4b06c36c8668994
[INFO] running `Command { std: "docker" "start" "-a" "bf8f06d4a5453f107df9f5452be285c31c398f7f4b00412ec4b06c36c8668994", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl-src v300.5.4+3.5.4
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling cbor-codec v0.7.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling cose-rust v0.1.7 (/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: 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] 968 |                 cipher_size = 32;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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 2m 01s
[INFO] running `Command { std: "docker" "inspect" "bf8f06d4a5453f107df9f5452be285c31c398f7f4b00412ec4b06c36c8668994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8f06d4a5453f107df9f5452be285c31c398f7f4b00412ec4b06c36c8668994", kill_on_drop: false }`
[INFO] [stdout] bf8f06d4a5453f107df9f5452be285c31c398f7f4b00412ec4b06c36c8668994
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a6a78ed0a4f9c8d18349c81ec573b8e97b832bae385f54d261cff8f0d593f09
[INFO] running `Command { std: "docker" "start" "-a" "9a6a78ed0a4f9c8d18349c81ec573b8e97b832bae385f54d261cff8f0d593f09", kill_on_drop: false }`
[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] 968 |                 cipher_size = 32;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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]    Compiling cose-rust v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `hex`
[INFO] [stdout]    --> src/lib.rs:649:13
[INFO] [stdout]     |
[INFO] [stdout] 649 |         use hex;
[INFO] [stdout]     |             ^^^ no external crate `hex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hex`
[INFO] [stdout]    --> src/lib.rs:668:13
[INFO] [stdout]     |
[INFO] [stdout] 668 |         use hex;
[INFO] [stdout]     |             ^^^ no external crate `hex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hex`
[INFO] [stdout]    --> src/lib.rs:693:13
[INFO] [stdout]     |
[INFO] [stdout] 693 |         use hex;
[INFO] [stdout]     |             ^^^ no external crate `hex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hex`
[INFO] [stdout]    --> src/lib.rs:719:13
[INFO] [stdout]     |
[INFO] [stdout] 719 |         use hex;
[INFO] [stdout]     |             ^^^ no external crate `hex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hex`
[INFO] [stdout]    --> src/lib.rs:735:13
[INFO] [stdout]     |
[INFO] [stdout] 735 |         use hex;
[INFO] [stdout]     |             ^^^ no external crate `hex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hex`
[INFO] [stdout]    --> src/lib.rs:761:13
[INFO] [stdout]     |
[INFO] [stdout] 761 |         use hex;
[INFO] [stdout]     |             ^^^ no external crate `hex`
[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] 968 |                 cipher_size = 32;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cose-rust` (lib test) due to 6 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9a6a78ed0a4f9c8d18349c81ec573b8e97b832bae385f54d261cff8f0d593f09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6a78ed0a4f9c8d18349c81ec573b8e97b832bae385f54d261cff8f0d593f09", kill_on_drop: false }`
[INFO] [stdout] 9a6a78ed0a4f9c8d18349c81ec573b8e97b832bae385f54d261cff8f0d593f09
