[INFO] cloning repository https://github.com/exfinen/eth-rlp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exfinen/eth-rlp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexfinen%2Feth-rlp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexfinen%2Feth-rlp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad2c5d665bf587ad67ce2662b8b9429574d7f6b1
[INFO] checking exfinen/eth-rlp against try#2b43d8e161cfe46fae25518efb124c3c1d0fa392 for pr-145604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexfinen%2Feth-rlp" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/exfinen/eth-rlp
[INFO] finished tweaking git repo https://github.com/exfinen/eth-rlp
[INFO] tweaked toml for git repo https://github.com/exfinen/eth-rlp written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/exfinen/eth-rlp on toolchain 2b43d8e161cfe46fae25518efb124c3c1d0fa392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/exfinen/eth-rlp 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" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4439255308bbdad2c63f0606ffbd64e41a98d2353549e5deefa8ebf51e827e30
[INFO] running `Command { std: "docker" "start" "-a" "4439255308bbdad2c63f0606ffbd64e41a98d2353549e5deefa8ebf51e827e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4439255308bbdad2c63f0606ffbd64e41a98d2353549e5deefa8ebf51e827e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4439255308bbdad2c63f0606ffbd64e41a98d2353549e5deefa8ebf51e827e30", kill_on_drop: false }`
[INFO] [stdout] 4439255308bbdad2c63f0606ffbd64e41a98d2353549e5deefa8ebf51e827e30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f873122e87f4bad5a1ad5d74edbe09dfca56d5e4baf3d14ed48b4c50055eb15
[INFO] running `Command { std: "docker" "start" "-a" "5f873122e87f4bad5a1ad5d74edbe09dfca56d5e4baf3d14ed48b4c50055eb15", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking eth-rlp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/byte_stream.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 |   pub fn take(&mut self, n: usize) -> Result {
[INFO] [stdout]    |               ^^^^^^^^^               ------ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 55 |   pub fn take(&mut self, n: usize) -> Result<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/byte_stream.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 |   pub fn take(&mut self, n: usize) -> Result {
[INFO] [stdout]    |               ^^^^^^^^^               ------ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 55 |   pub fn take(&mut self, n: usize) -> Result<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "5f873122e87f4bad5a1ad5d74edbe09dfca56d5e4baf3d14ed48b4c50055eb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f873122e87f4bad5a1ad5d74edbe09dfca56d5e4baf3d14ed48b4c50055eb15", kill_on_drop: false }`
[INFO] [stdout] 5f873122e87f4bad5a1ad5d74edbe09dfca56d5e4baf3d14ed48b4c50055eb15