[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] 3c738fa16583273ed6e5b0683b2cf28ff0ae4ac8
[INFO] checking rust-lang-nursery/chalk against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fchalk" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/chalk on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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-2/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56d7ed7e2f6629225267f7f9ff48e220478dd39467d5a9e55685ea1b9f12d93a
[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" "56d7ed7e2f6629225267f7f9ff48e220478dd39467d5a9e55685ea1b9f12d93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56d7ed7e2f6629225267f7f9ff48e220478dd39467d5a9e55685ea1b9f12d93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d7ed7e2f6629225267f7f9ff48e220478dd39467d5a9e55685ea1b9f12d93a", kill_on_drop: false }`
[INFO] [stdout] 56d7ed7e2f6629225267f7f9ff48e220478dd39467d5a9e55685ea1b9f12d93a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9deebcdebb8df3f37faee70c86bbd4139751a4bca08fbe6345c8272d17fd06a3
[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" "9deebcdebb8df3f37faee70c86bbd4139751a4bca08fbe6345c8272d17fd06a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking syn v1.0.38
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking lalrpop-util v0.19.0
[INFO] [stderr]     Checking synstructure v0.12.4
[INFO] [stderr]     Checking rustyline v7.1.0
[INFO] [stderr]     Checking chalk-derive v0.68.0-dev.0 (/opt/rustwide/workdir/chalk-derive)
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling tracing-attributes v0.1.10
[INFO] [stderr]    Compiling salsa-macros v0.16.0
[INFO] [stderr]     Checking chalk-ir v0.68.0-dev.0 (/opt/rustwide/workdir/chalk-ir)
[INFO] [stderr]     Checking salsa v0.16.0
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.11
[INFO] [stderr]    Compiling lalrpop v0.19.0
[INFO] [stderr]     Checking tracing-tree v0.1.5
[INFO] [stderr]     Checking chalk-solve v0.68.0-dev.0 (/opt/rustwide/workdir/chalk-solve)
[INFO] [stderr]     Checking chalk-recursive v0.68.0-dev.0 (/opt/rustwide/workdir/chalk-recursive)
[INFO] [stderr]     Checking chalk-engine v0.68.0-dev.0 (/opt/rustwide/workdir/chalk-engine)
[INFO] [stderr]    Compiling chalk-parse v0.68.0-dev.0 (/opt/rustwide/workdir/chalk-parse)
[INFO] [stderr]     Checking chalk-integration v0.68.0-dev.0 (/opt/rustwide/workdir/chalk-integration)
[INFO] [stderr]     Checking chalk v0.68.0-dev.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 03s
[INFO] running `Command { std: "docker" "inspect" "9deebcdebb8df3f37faee70c86bbd4139751a4bca08fbe6345c8272d17fd06a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9deebcdebb8df3f37faee70c86bbd4139751a4bca08fbe6345c8272d17fd06a3", kill_on_drop: false }`
[INFO] [stdout] 9deebcdebb8df3f37faee70c86bbd4139751a4bca08fbe6345c8272d17fd06a3