[INFO] fetching crate coset 0.3.4...
[INFO] checking coset-0.3.4 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate coset 0.3.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate coset 0.3.4 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coset 0.3.4
[INFO] finished tweaking crates.io crate coset 0.3.4
[INFO] tweaked toml for crates.io crate coset 0.3.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate coset 0.3.4 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02a8ea2dbacfea96fb00afc7dbd06fa6ecc6ca47835144333b1a12560a3a71bf
[INFO] running `Command { std: "docker" "start" "-a" "02a8ea2dbacfea96fb00afc7dbd06fa6ecc6ca47835144333b1a12560a3a71bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02a8ea2dbacfea96fb00afc7dbd06fa6ecc6ca47835144333b1a12560a3a71bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a8ea2dbacfea96fb00afc7dbd06fa6ecc6ca47835144333b1a12560a3a71bf", kill_on_drop: false }`
[INFO] [stdout] 02a8ea2dbacfea96fb00afc7dbd06fa6ecc6ca47835144333b1a12560a3a71bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2c234d935820788639364c9405b7e8bb66817c47997764c76cb60919cda0f60
[INFO] running `Command { std: "docker" "start" "-a" "e2c234d935820788639364c9405b7e8bb66817c47997764c76cb60919cda0f60", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking coset v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/encrypt/tests.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         for mut recip in &mut got.recipients {
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/encrypt/tests.rs:476:13
[INFO] [stdout]     |
[INFO] [stdout] 476 |         for mut recip in &mut got.recipients {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/encrypt/tests.rs:479:13
[INFO] [stdout]     |
[INFO] [stdout] 479 |         for mut sig in &mut got.unprotected.counter_signatures {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/header/tests.rs:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 |         for mut sig in &mut got.counter_signatures {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/header/tests.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         for mut sig in &mut got.header.counter_signatures {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/header/tests.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |         for mut sig in &mut got.header.counter_signatures {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mac/tests.rs:354:13
[INFO] [stdout]     |
[INFO] [stdout] 354 |         for mut recip in &mut got.recipients {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mac/tests.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |         for mut sig in &mut got.unprotected.counter_signatures {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sign/tests.rs:384:13
[INFO] [stdout]     |
[INFO] [stdout] 384 |         for mut sig in &mut got.signatures {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sign/tests.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 396 |         for mut sig in &mut got.signatures {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sign/tests.rs:754:13
[INFO] [stdout]     |
[INFO] [stdout] 754 |         for mut sig in &mut got.signatures {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sign/tests.rs:757:13
[INFO] [stdout]     |
[INFO] [stdout] 757 |         for mut sig in &mut got.unprotected.counter_signatures {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `Command { std: "docker" "inspect" "e2c234d935820788639364c9405b7e8bb66817c47997764c76cb60919cda0f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c234d935820788639364c9405b7e8bb66817c47997764c76cb60919cda0f60", kill_on_drop: false }`
[INFO] [stdout] e2c234d935820788639364c9405b7e8bb66817c47997764c76cb60919cda0f60
