[INFO] fetching crate vinci 0.2.0...
[INFO] checking vinci-0.2.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate vinci 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate vinci 0.2.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vinci 0.2.0
[INFO] finished tweaking crates.io crate vinci 0.2.0
[INFO] tweaked toml for crates.io crate vinci 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding logos v0.12.1 (available: v0.14.2)
[INFO] [stderr]       Adding logos-derive v0.12.1 (available: v0.14.2)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.4)
[INFO] [stderr]       Adding strum v0.24.1 (available: v0.26.3)
[INFO] [stderr]       Adding strum_macros v0.24.3 (available: v0.26.4)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d8f367f49d13ab9384a67d41513788fd903c1166416b419679b6cc7b13a7b82
[INFO] running `Command { std: "docker" "start" "-a" "2d8f367f49d13ab9384a67d41513788fd903c1166416b419679b6cc7b13a7b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d8f367f49d13ab9384a67d41513788fd903c1166416b419679b6cc7b13a7b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8f367f49d13ab9384a67d41513788fd903c1166416b419679b6cc7b13a7b82", kill_on_drop: false }`
[INFO] [stdout] 2d8f367f49d13ab9384a67d41513788fd903c1166416b419679b6cc7b13a7b82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d4f6c4b7f1bce3991d4831cef058620ac22a2ded839c276d6ddfcab2373c96d
[INFO] running `Command { std: "docker" "start" "-a" "8d4f6c4b7f1bce3991d4831cef058620ac22a2ded839c276d6ddfcab2373c96d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking vinci v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `known_type` is assigned to, but never used
[INFO] [stdout]   --> src/parser/instruction/memory.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let known_type: Type;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_known_type` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `known_type` is never read
[INFO] [stdout]   --> src/parser/instruction/memory.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         known_type = tp;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/parser/error.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     UnexpectedToken(Token, Token),
[INFO] [stdout]   |     --------------- ^^^^^  ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 8 |     UnexpectedToken((), ()),
[INFO] [stdout]   |                     ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `known_type` is assigned to, but never used
[INFO] [stdout]   --> src/parser/instruction/memory.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let known_type: Type;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_known_type` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `known_type` is never read
[INFO] [stdout]   --> src/parser/instruction/memory.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         known_type = tp;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/parser/error.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     UnexpectedToken(Token, Token),
[INFO] [stdout]   |     --------------- ^^^^^  ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 8 |     UnexpectedToken((), ()),
[INFO] [stdout]   |                     ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cool_algorithm` is never used
[INFO] [stdout]   --> src/parser/tests.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn cool_algorithm() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.59s
[INFO] running `Command { std: "docker" "inspect" "8d4f6c4b7f1bce3991d4831cef058620ac22a2ded839c276d6ddfcab2373c96d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4f6c4b7f1bce3991d4831cef058620ac22a2ded839c276d6ddfcab2373c96d", kill_on_drop: false }`
[INFO] [stdout] 8d4f6c4b7f1bce3991d4831cef058620ac22a2ded839c276d6ddfcab2373c96d