[INFO] cloning repository https://github.com/lalrpop/lalrpop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lalrpop/lalrpop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalrpop%2Flalrpop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalrpop%2Flalrpop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8afe7dc9d7ff5b74a529b02a2d1ea34851bba90
[INFO] checking lalrpop/lalrpop against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalrpop%2Flalrpop" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lalrpop/lalrpop on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lalrpop/lalrpop
[INFO] finished tweaking git repo https://github.com/lalrpop/lalrpop
[INFO] tweaked toml for git repo https://github.com/lalrpop/lalrpop written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/lalrpop/lalrpop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 764c4d2cb313c6c3d80082d9dc7a4a94a227905eacb1dba51d9a1561a1bdae57
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "764c4d2cb313c6c3d80082d9dc7a4a94a227905eacb1dba51d9a1561a1bdae57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "764c4d2cb313c6c3d80082d9dc7a4a94a227905eacb1dba51d9a1561a1bdae57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764c4d2cb313c6c3d80082d9dc7a4a94a227905eacb1dba51d9a1561a1bdae57", kill_on_drop: false }`
[INFO] [stdout] 764c4d2cb313c6c3d80082d9dc7a4a94a227905eacb1dba51d9a1561a1bdae57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc47f211da0741ebbc3af8014747fb679c568af317a62f68c3b75b19ad8bf749
[INFO] running `Command { std: "docker" "start" "-a" "fc47f211da0741ebbc3af8014747fb679c568af317a62f68c3b75b19ad8bf749", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling lalrpop v0.19.4 (/opt/rustwide/workdir/lalrpop)
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking crunchy v0.2.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ascii-canvas v2.0.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking lalrpop-util v0.19.4 (/opt/rustwide/workdir/lalrpop-util)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> lalrpop/src/message/horiz.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |             .intersperse(self.separate)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> lalrpop/src/message/horiz.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |             .intersperse(self.separate)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> lalrpop/src/message/horiz.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |             .intersperse(self.separate)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling whitespace v0.19.4 (/opt/rustwide/workdir/doc/whitespace)
[INFO] [stderr]    Compiling calculator v0.19.4 (/opt/rustwide/workdir/doc/calculator)
[INFO] [stderr]    Compiling lalrpop-test v0.19.4 (/opt/rustwide/workdir/lalrpop-test)
[INFO] [stderr]    Compiling pascal v0.11.0 (/opt/rustwide/workdir/doc/pascal/lalrpop)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> doc/calculator/src/tok9.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(input: &'input str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Delim`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/lalrpop-test-4d1d239fc8951863/out/nested.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use util::tok::{Tok, Delim};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> lalrpop-test/src/util/tok.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     let (ci, c) = char_indices.next().expect("Unclosed '\"'"); // consume opening '"'
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> lalrpop-test/src/util/tok.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     let (ci, c) = char_indices.next().expect("Unclosed '\"'"); // consume opening '"'
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/lalrpop-test-4d1d239fc8951863/out/match_section_byte.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |         pub fn new() -> QueryParser {
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 01s
[INFO] running `Command { std: "docker" "inspect" "fc47f211da0741ebbc3af8014747fb679c568af317a62f68c3b75b19ad8bf749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc47f211da0741ebbc3af8014747fb679c568af317a62f68c3b75b19ad8bf749", kill_on_drop: false }`
[INFO] [stdout] fc47f211da0741ebbc3af8014747fb679c568af317a62f68c3b75b19ad8bf749