[INFO] fetching crate rust_chacha20 0.3.0...
[INFO] checking rust_chacha20-0.3.0 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate rust_chacha20 0.3.0 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_chacha20 0.3.0 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "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 23 packages to latest compatible versions
[INFO] [stderr]       Adding chacha20 v0.9.1 (available: v0.10.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inout v0.1.4
[INFO] [stderr]   Downloaded cipher v0.4.4
[INFO] [stderr]   Downloaded chacha20 v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06ef5c5fceaa3c6ec920e644584e6de1d706f9ff9323dcd4c104baa30991bc81
[INFO] running `Command { std: "docker" "start" "-a" "06ef5c5fceaa3c6ec920e644584e6de1d706f9ff9323dcd4c104baa30991bc81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06ef5c5fceaa3c6ec920e644584e6de1d706f9ff9323dcd4c104baa30991bc81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ef5c5fceaa3c6ec920e644584e6de1d706f9ff9323dcd4c104baa30991bc81", kill_on_drop: false }`
[INFO] [stdout] 06ef5c5fceaa3c6ec920e644584e6de1d706f9ff9323dcd4c104baa30991bc81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6ad165e66196e8664227c818e35075a399b563c169651f7c3e258e96d6f6c1c
[INFO] running `Command { std: "docker" "start" "-a" "a6ad165e66196e8664227c818e35075a399b563c169651f7c3e258e96d6f6c1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling zerocopy v0.8.47
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking hex v0.4.3
[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:80:67
[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]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:80:67
[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 7.52s
[INFO] running `Command { std: "docker" "inspect" "a6ad165e66196e8664227c818e35075a399b563c169651f7c3e258e96d6f6c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ad165e66196e8664227c818e35075a399b563c169651f7c3e258e96d6f6c1c", kill_on_drop: false }`
[INFO] [stdout] a6ad165e66196e8664227c818e35075a399b563c169651f7c3e258e96d6f6c1c