[INFO] fetching crate yadacha 0.0.5...
[INFO] checking yadacha-0.0.5 against try#53f0b05ecbcf011a1f77f1c627304e87ebd05801 for pr-154492
[INFO] extracting crate yadacha 0.0.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate yadacha 0.0.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate yadacha 0.0.5
[INFO] tweaked toml for crates.io crate yadacha 0.0.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yadacha 0.0.5 on toolchain 53f0b05ecbcf011a1f77f1c627304e87ebd05801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate yadacha 0.0.5 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" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58a482cc2df6d2335d20e09c2e3e212b5ab1dbf2a500a9c065ca2e6a343e32ed
[INFO] running `Command { std: "docker" "start" "-a" "58a482cc2df6d2335d20e09c2e3e212b5ab1dbf2a500a9c065ca2e6a343e32ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58a482cc2df6d2335d20e09c2e3e212b5ab1dbf2a500a9c065ca2e6a343e32ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a482cc2df6d2335d20e09c2e3e212b5ab1dbf2a500a9c065ca2e6a343e32ed", kill_on_drop: false }`
[INFO] [stdout] 58a482cc2df6d2335d20e09c2e3e212b5ab1dbf2a500a9c065ca2e6a343e32ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a1cb30852381ee5223f6c1fe051de3186b8e37309cdd91e647e0d24b7bbcfa0
[INFO] running `Command { std: "docker" "start" "-a" "9a1cb30852381ee5223f6c1fe051de3186b8e37309cdd91e647e0d24b7bbcfa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.1
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.22.0
[INFO] [stderr]     Checking yadacha v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/yadacha16k.rs:322:68
[INFO] [stdout]     |
[INFO] [stdout] 322 |     pub fn new<'a>(rng: &'a mut dyn SeedRNG, limit_size: usize) -> BufferedRng {
[INFO] [stdout]     |                          -- the lifetime is named here             ^^^^^^^^^^^ the same lifetime is hidden 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] 322 |     pub fn new<'a>(rng: &'a mut dyn SeedRNG, limit_size: usize) -> BufferedRng<'a> {
[INFO] [stdout]     |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/yadacha16k.rs:322:68
[INFO] [stdout]     |
[INFO] [stdout] 322 |     pub fn new<'a>(rng: &'a mut dyn SeedRNG, limit_size: usize) -> BufferedRng {
[INFO] [stdout]     |                          -- the lifetime is named here             ^^^^^^^^^^^ the same lifetime is hidden 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] 322 |     pub fn new<'a>(rng: &'a mut dyn SeedRNG, limit_size: usize) -> BufferedRng<'a> {
[INFO] [stdout]     |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 17s
[INFO] running `Command { std: "docker" "inspect" "9a1cb30852381ee5223f6c1fe051de3186b8e37309cdd91e647e0d24b7bbcfa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1cb30852381ee5223f6c1fe051de3186b8e37309cdd91e647e0d24b7bbcfa0", kill_on_drop: false }`
[INFO] [stdout] 9a1cb30852381ee5223f6c1fe051de3186b8e37309cdd91e647e0d24b7bbcfa0