[INFO] fetching crate nu-protocol 0.18.1...
[INFO] checking nu-protocol-0.18.1 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate nu-protocol 0.18.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nu-protocol 0.18.1 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu-protocol 0.18.1
[INFO] finished tweaking crates.io crate nu-protocol 0.18.1
[INFO] tweaked toml for crates.io crate nu-protocol 0.18.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 686ca14fdf981598e602ab9e2354da8ea6dfbb8d9adfc66da52efa6e07d3b43b
[INFO] running `Command { std: "docker" "start" "-a" "686ca14fdf981598e602ab9e2354da8ea6dfbb8d9adfc66da52efa6e07d3b43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "686ca14fdf981598e602ab9e2354da8ea6dfbb8d9adfc66da52efa6e07d3b43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686ca14fdf981598e602ab9e2354da8ea6dfbb8d9adfc66da52efa6e07d3b43b", kill_on_drop: false }`
[INFO] [stdout] 686ca14fdf981598e602ab9e2354da8ea6dfbb8d9adfc66da52efa6e07d3b43b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af954e4d9d1cbf2d885f240733d14eaae06799e9c95e42352273ed47e1a57d8b
[INFO] running `Command { std: "docker" "start" "-a" "af954e4d9d1cbf2d885f240733d14eaae06799e9c95e42352273ed47e1a57d8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling inventory v0.1.8
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking byte-unit v3.1.4
[INFO] [stderr]     Checking query_interface v0.3.5
[INFO] [stderr]     Checking pretty v0.5.2
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling ctor v0.1.15
[INFO] [stderr]    Compiling inventory-impl v0.1.8
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling typetag-impl v0.1.5
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking nu-source v0.18.1
[INFO] [stderr]     Checking typetag v0.1.5
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking natural v0.5.0
[INFO] [stderr]     Checking nu-errors v0.18.1
[INFO] [stderr]     Checking nu-protocol v0.18.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "af954e4d9d1cbf2d885f240733d14eaae06799e9c95e42352273ed47e1a57d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af954e4d9d1cbf2d885f240733d14eaae06799e9c95e42352273ed47e1a57d8b", kill_on_drop: false }`
[INFO] [stdout] af954e4d9d1cbf2d885f240733d14eaae06799e9c95e42352273ed47e1a57d8b