[INFO] cloning repository https://github.com/RobJenks/compiler-impl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RobJenks/compiler-impl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobJenks%2Fcompiler-impl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobJenks%2Fcompiler-impl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e235e32a0a719f4762676a803b4cfdb314d1bb1f
[INFO] building RobJenks/compiler-impl against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobJenks%2Fcompiler-impl" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RobJenks/compiler-impl on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RobJenks/compiler-impl
[INFO] finished tweaking git repo https://github.com/RobJenks/compiler-impl
[INFO] tweaked toml for git repo https://github.com/RobJenks/compiler-impl written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/RobJenks/compiler-impl 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18468eeba097207e78fda16cf0c76c4a34a00169b32250a8c0ea5a7a7a76d3c4
[INFO] running `Command { std: "docker" "start" "-a" "18468eeba097207e78fda16cf0c76c4a34a00169b32250a8c0ea5a7a7a76d3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18468eeba097207e78fda16cf0c76c4a34a00169b32250a8c0ea5a7a7a76d3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18468eeba097207e78fda16cf0c76c4a34a00169b32250a8c0ea5a7a7a76d3c4", kill_on_drop: false }`
[INFO] [stdout] 18468eeba097207e78fda16cf0c76c4a34a00169b32250a8c0ea5a7a7a76d3c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa87621d4d623c7dbef8fbe22ed65cf46a50d671a944cbd6d8d46981c973dc1e
[INFO] running `Command { std: "docker" "start" "-a" "fa87621d4d623c7dbef8fbe22ed65cf46a50d671a944cbd6d8d46981c973dc1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling thread_local v1.0.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling common v0.1.0 (/opt/rustwide/workdir/src/common)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/common/src/nodes/parsing.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl <'a,T> NodeParseResult<'a,T>
[INFO] [stdout]    |       -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn next(&'a self) -> &Option<TokenIter<'a>> {
[INFO] [stdout]    |                              ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lexer v0.1.0 (/opt/rustwide/workdir/src/lexer)
[INFO] [stderr]    Compiling parser v0.1.0 (/opt/rustwide/workdir/src/parser)
[INFO] [stdout] warning: trait `LexerRule` is never used
[INFO] [stdout]   --> src/lexer/src/rules/mod.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | trait LexerRule {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling compiler-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "fa87621d4d623c7dbef8fbe22ed65cf46a50d671a944cbd6d8d46981c973dc1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa87621d4d623c7dbef8fbe22ed65cf46a50d671a944cbd6d8d46981c973dc1e", kill_on_drop: false }`
[INFO] [stdout] fa87621d4d623c7dbef8fbe22ed65cf46a50d671a944cbd6d8d46981c973dc1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5711dc279f9b61394bcdfbaef5e525276c2f9510c63ce9edefb5436cfa412354
[INFO] running `Command { std: "docker" "start" "-a" "5711dc279f9b61394bcdfbaef5e525276c2f9510c63ce9edefb5436cfa412354", kill_on_drop: false }`
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/common/src/nodes/parsing.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl <'a,T> NodeParseResult<'a,T>
[INFO] [stdout]    |       -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn next(&'a self) -> &Option<TokenIter<'a>> {
[INFO] [stdout]    |                              ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LexerRule` is never used
[INFO] [stdout]   --> src/lexer/src/rules/mod.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | trait LexerRule {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling compiler-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "5711dc279f9b61394bcdfbaef5e525276c2f9510c63ce9edefb5436cfa412354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5711dc279f9b61394bcdfbaef5e525276c2f9510c63ce9edefb5436cfa412354", kill_on_drop: false }`
[INFO] [stdout] 5711dc279f9b61394bcdfbaef5e525276c2f9510c63ce9edefb5436cfa412354