[INFO] cloning repository https://github.com/remexre/fstlc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remexre/fstlc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Ffstlc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Ffstlc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d04b0d03d1736d66c010a798251e44a28a94471
[INFO] checking remexre/fstlc against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Ffstlc" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/remexre/fstlc on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/remexre/fstlc
[INFO] finished tweaking git repo https://github.com/remexre/fstlc
[INFO] tweaked toml for git repo https://github.com/remexre/fstlc written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/remexre/fstlc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dbde4711167b2fdb24af47712b3b7fc1609e6c399c6781bbf0395b5bbe604fb
[INFO] running `Command { std: "docker" "start" "-a" "5dbde4711167b2fdb24af47712b3b7fc1609e6c399c6781bbf0395b5bbe604fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dbde4711167b2fdb24af47712b3b7fc1609e6c399c6781bbf0395b5bbe604fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dbde4711167b2fdb24af47712b3b7fc1609e6c399c6781bbf0395b5bbe604fb", kill_on_drop: false }`
[INFO] [stdout] 5dbde4711167b2fdb24af47712b3b7fc1609e6c399c6781bbf0395b5bbe604fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7322f2ba41f5a661489bdd40ab6bb3ac35cdfdf6a2a4467d0578d967ea89c318
[INFO] running `Command { std: "docker" "start" "-a" "7322f2ba41f5a661489bdd40ab6bb3ac35cdfdf6a2a4467d0578d967ea89c318", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
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[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking termcolor v0.3.6
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[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling block-padding v0.1.3
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling rand_core v0.3.1
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[INFO] [stderr]     Checking textwrap v0.10.0
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[INFO] [stderr]    Compiling rand_isaac v0.1.1
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[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling generic-array v0.12.0
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[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling derive_more v0.14.0
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]    Compiling fstlc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/fstlc-247d8676f246dd69/out/grammar.rs:1944:5
[INFO] [stdout]      |
[INFO] [stdout] 1944 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/fstlc-247d8676f246dd69/out/grammar.rs:1955:5
[INFO] [stdout]      |
[INFO] [stdout] 1955 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/fstlc-247d8676f246dd69/out/grammar.rs:1944:5
[INFO] [stdout]      |
[INFO] [stdout] 1944 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/fstlc-247d8676f246dd69/out/grammar.rs:1955:5
[INFO] [stdout]      |
[INFO] [stdout] 1955 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "7322f2ba41f5a661489bdd40ab6bb3ac35cdfdf6a2a4467d0578d967ea89c318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7322f2ba41f5a661489bdd40ab6bb3ac35cdfdf6a2a4467d0578d967ea89c318", kill_on_drop: false }`
[INFO] [stdout] 7322f2ba41f5a661489bdd40ab6bb3ac35cdfdf6a2a4467d0578d967ea89c318