[INFO] cloning repository https://github.com/sunjay/lion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunjay/lion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunjay%2Flion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunjay%2Flion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97daa3de1a7e7714432c2a6d04b11a0ce35d4ec8
[INFO] checking sunjay/lion against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunjay%2Flion" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sunjay/lion on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sunjay/lion
[INFO] finished tweaking git repo https://github.com/sunjay/lion
[INFO] tweaked toml for git repo https://github.com/sunjay/lion written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/sunjay/lion already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 310792cd4d4b8f9a382d2bedf10ae1362cf4d5127ff353e386d699ddbefab2c0
[INFO] running `Command { std: "docker" "start" "-a" "310792cd4d4b8f9a382d2bedf10ae1362cf4d5127ff353e386d699ddbefab2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "310792cd4d4b8f9a382d2bedf10ae1362cf4d5127ff353e386d699ddbefab2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310792cd4d4b8f9a382d2bedf10ae1362cf4d5127ff353e386d699ddbefab2c0", kill_on_drop: false }`
[INFO] [stdout] 310792cd4d4b8f9a382d2bedf10ae1362cf4d5127ff353e386d699ddbefab2c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56dc419fa0c4c8e2990741d6f0f0f0e959f4ef47b41e013a7885633b7573ec1a
[INFO] running `Command { std: "docker" "start" "-a" "56dc419fa0c4c8e2990741d6f0f0f0e959f4ef47b41e013a7885633b7573ec1a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking bytecount v0.3.2
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]     Checking smallstr v0.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking nix v0.13.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking nom_locate v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking bigdecimal v0.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling terminfo v0.6.1
[INFO] [stderr]     Checking mortal v0.2.0
[INFO] [stderr]     Checking linefeed v0.6.0
[INFO] [stderr]     Checking lion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `end`
[INFO] [stdout]   --> src/unit_graph.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     end: CanonicalUnit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/symbols.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         span: Span<'a>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `end`
[INFO] [stdout]   --> src/unit_graph.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     end: CanonicalUnit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/symbols.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         span: Span<'a>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.70s
[INFO] running `Command { std: "docker" "inspect" "56dc419fa0c4c8e2990741d6f0f0f0e959f4ef47b41e013a7885633b7573ec1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56dc419fa0c4c8e2990741d6f0f0f0e959f4ef47b41e013a7885633b7573ec1a", kill_on_drop: false }`
[INFO] [stdout] 56dc419fa0c4c8e2990741d6f0f0f0e959f4ef47b41e013a7885633b7573ec1a