[INFO] fetching crate rust_chacha20 0.3.0...
[INFO] checking rust_chacha20-0.3.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate rust_chacha20 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rust_chacha20 0.3.0
[INFO] finished tweaking crates.io crate rust_chacha20 0.3.0
[INFO] tweaked toml for crates.io crate rust_chacha20 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_chacha20 0.3.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b5f4a69bd8f1d0f06c2b763e1e415fbd0fa325ce2dac5389c22cbb4a17dc18f
[INFO] running `Command { std: "docker" "start" "-a" "0b5f4a69bd8f1d0f06c2b763e1e415fbd0fa325ce2dac5389c22cbb4a17dc18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b5f4a69bd8f1d0f06c2b763e1e415fbd0fa325ce2dac5389c22cbb4a17dc18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5f4a69bd8f1d0f06c2b763e1e415fbd0fa325ce2dac5389c22cbb4a17dc18f", kill_on_drop: false }`
[INFO] [stdout] 0b5f4a69bd8f1d0f06c2b763e1e415fbd0fa325ce2dac5389c22cbb4a17dc18f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ee577597ff9095838e3a1b77fa4e8621dc972c6e4cb852403b75103c5c94739
[INFO] running `Command { std: "docker" "start" "-a" "6ee577597ff9095838e3a1b77fa4e8621dc972c6e4cb852403b75103c5c94739", kill_on_drop: false }`
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rust_chacha20 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:80:33
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn apply_keystream<'a>(&'a mut self, to: &'a mut [u8]) -> &[u8] {
[INFO] [stdout]    |                                 ^^                ^^              ----- the same lifetime is elided here
[INFO] [stdout]    |                                 |                 |
[INFO] [stdout]    |                                 |                 the lifetime is named here
[INFO] [stdout]    |                                 the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn apply_keystream<'a>(&'a mut self, to: &'a mut [u8]) -> &'a [u8] {
[INFO] [stdout]    |                                                                    ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:80:33
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn apply_keystream<'a>(&'a mut self, to: &'a mut [u8]) -> &[u8] {
[INFO] [stdout]    |                                 ^^                ^^              ----- the same lifetime is elided here
[INFO] [stdout]    |                                 |                 |
[INFO] [stdout]    |                                 |                 the lifetime is named here
[INFO] [stdout]    |                                 the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn apply_keystream<'a>(&'a mut self, to: &'a mut [u8]) -> &'a [u8] {
[INFO] [stdout]    |                                                                    ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "6ee577597ff9095838e3a1b77fa4e8621dc972c6e4cb852403b75103c5c94739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee577597ff9095838e3a1b77fa4e8621dc972c6e4cb852403b75103c5c94739", kill_on_drop: false }`
[INFO] [stdout] 6ee577597ff9095838e3a1b77fa4e8621dc972c6e4cb852403b75103c5c94739