[INFO] fetching crate javascript_lexer 0.1.8...
[INFO] checking javascript_lexer-0.1.8 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate javascript_lexer 0.1.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate javascript_lexer 0.1.8 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate javascript_lexer 0.1.8
[INFO] finished tweaking crates.io crate javascript_lexer 0.1.8
[INFO] tweaked toml for crates.io crate javascript_lexer 0.1.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded internship v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa450c2d4559caa8448cb5355e369c7f2c1b0537ef8d6b907c985ea5a29a6260
[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" "fa450c2d4559caa8448cb5355e369c7f2c1b0537ef8d6b907c985ea5a29a6260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa450c2d4559caa8448cb5355e369c7f2c1b0537ef8d6b907c985ea5a29a6260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa450c2d4559caa8448cb5355e369c7f2c1b0537ef8d6b907c985ea5a29a6260", kill_on_drop: false }`
[INFO] [stdout] fa450c2d4559caa8448cb5355e369c7f2c1b0537ef8d6b907c985ea5a29a6260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f48a5a8b6461c472b9410a870edcd813be15b0f09464f1d46cf2573aeaf0cb1
[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" "3f48a5a8b6461c472b9410a870edcd813be15b0f09464f1d46cf2573aeaf0cb1", kill_on_drop: false }`
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking internship v0.6.0
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_macros v0.7.24
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking javascript_lexer v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/error.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InternalError(Box<error::Error>),
[INFO] [stdout]   |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/error.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InternalError(Box<error::Error>),
[INFO] [stdout]   |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Number`, `Token`
[INFO] [stdout]  --> tests/issue-1.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     token::{Number, Token},
[INFO] [stdout]   |             ^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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]     Finished dev [unoptimized + debuginfo] target(s) in 21.99s
[INFO] running `Command { std: "docker" "inspect" "3f48a5a8b6461c472b9410a870edcd813be15b0f09464f1d46cf2573aeaf0cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f48a5a8b6461c472b9410a870edcd813be15b0f09464f1d46cf2573aeaf0cb1", kill_on_drop: false }`
[INFO] [stdout] 3f48a5a8b6461c472b9410a870edcd813be15b0f09464f1d46cf2573aeaf0cb1