[INFO] cloning repository https://github.com/rust-lang-nursery/chalk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang-nursery/chalk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fchalk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fchalk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0c94db8a497eee4ed1f49534fb0714801cb90e8
[INFO] checking rust-lang-nursery/chalk against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fchalk" "/workspace/builds/worker-78/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-78/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/chalk on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-lang-nursery/chalk
[INFO] finished tweaking git repo https://github.com/rust-lang-nursery/chalk
[INFO] tweaked toml for git repo https://github.com/rust-lang-nursery/chalk written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang-nursery/chalk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75375668b9b93fc7701ee04f9405ba7e792b9e5b2300abae87580e337bed9b0f
[INFO] running `Command { std: "docker" "start" "-a" "75375668b9b93fc7701ee04f9405ba7e792b9e5b2300abae87580e337bed9b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75375668b9b93fc7701ee04f9405ba7e792b9e5b2300abae87580e337bed9b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75375668b9b93fc7701ee04f9405ba7e792b9e5b2300abae87580e337bed9b0f", kill_on_drop: false }`
[INFO] [stdout] 75375668b9b93fc7701ee04f9405ba7e792b9e5b2300abae87580e337bed9b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee7fe3f9bf53efc21c80eda4ffd009d007c73dd882fed827e11f1f1f5052f41a
[INFO] running `Command { std: "docker" "start" "-a" "ee7fe3f9bf53efc21c80eda4ffd009d007c73dd882fed827e11f1f1f5052f41a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking lalrpop-util v0.19.6
[INFO] [stderr]     Checking rustyline v7.1.0
[INFO] [stderr]     Checking synstructure v0.12.5
[INFO] [stderr]     Checking chalk-derive v0.75.0-dev.0 (/opt/rustwide/workdir/chalk-derive)
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling salsa-macros v0.16.0
[INFO] [stderr]     Checking chalk-ir v0.75.0-dev.0 (/opt/rustwide/workdir/chalk-ir)
[INFO] [stderr]     Checking salsa v0.16.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking tracing-tree v0.1.9
[INFO] [stderr]     Checking chalk-solve v0.75.0-dev.0 (/opt/rustwide/workdir/chalk-solve)
[INFO] [stdout] warning: field is never read: `max_universe`
[INFO] [stdout]   --> chalk-solve/src/infer/canonicalize.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     max_universe: UniverseIndex,
[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] [stderr]     Checking chalk-recursive v0.75.0-dev.0 (/opt/rustwide/workdir/chalk-recursive)
[INFO] [stderr]     Checking chalk-engine v0.75.0-dev.0 (/opt/rustwide/workdir/chalk-engine)
[INFO] [stderr]    Compiling chalk-parse v0.75.0-dev.0 (/opt/rustwide/workdir/chalk-parse)
[INFO] [stderr]     Checking chalk-integration v0.75.0-dev.0 (/opt/rustwide/workdir/chalk-integration)
[INFO] [stderr]     Checking chalk v0.75.0-dev.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `max_universe`
[INFO] [stdout]   --> chalk-solve/src/infer/canonicalize.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     max_universe: UniverseIndex,
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 59s
[INFO] running `Command { std: "docker" "inspect" "ee7fe3f9bf53efc21c80eda4ffd009d007c73dd882fed827e11f1f1f5052f41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee7fe3f9bf53efc21c80eda4ffd009d007c73dd882fed827e11f1f1f5052f41a", kill_on_drop: false }`
[INFO] [stdout] ee7fe3f9bf53efc21c80eda4ffd009d007c73dd882fed827e11f1f1f5052f41a