[INFO] fetching crate nib-cli 0.0.2...
[INFO] checking nib-cli-0.0.2 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate nib-cli 0.0.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate nib-cli 0.0.2 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nib-cli 0.0.2
[INFO] finished tweaking crates.io crate nib-cli 0.0.2
[INFO] tweaked toml for crates.io crate nib-cli 0.0.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate nib-cli 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa74aa01ba559711de03bf2424b01fe6f6a710fe2d1f3f6beb750cc8d0b715ab
[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" "aa74aa01ba559711de03bf2424b01fe6f6a710fe2d1f3f6beb750cc8d0b715ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa74aa01ba559711de03bf2424b01fe6f6a710fe2d1f3f6beb750cc8d0b715ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa74aa01ba559711de03bf2424b01fe6f6a710fe2d1f3f6beb750cc8d0b715ab", kill_on_drop: false }`
[INFO] [stdout] aa74aa01ba559711de03bf2424b01fe6f6a710fe2d1f3f6beb750cc8d0b715ab
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df5a2f658995ef6c3e8622287652f42c093a3a8da55dd9e69c83b7bd5f03f972
[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" "df5a2f658995ef6c3e8622287652f42c093a3a8da55dd9e69c83b7bd5f03f972", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking regex v1.3.8
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking fancy-regex v0.3.5
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking plist v1.0.0
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking handlebars v3.0.1
[INFO] [stderr]     Checking document_tree v0.3.0
[INFO] [stderr]     Checking syntect v4.2.0
[INFO] [stderr]     Checking rst_parser v0.3.1
[INFO] [stderr]     Checking rst_renderer v0.3.1
[INFO] [stderr]     Checking nib v0.0.7
[INFO] [stderr]     Checking nib-cli v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "df5a2f658995ef6c3e8622287652f42c093a3a8da55dd9e69c83b7bd5f03f972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5a2f658995ef6c3e8622287652f42c093a3a8da55dd9e69c83b7bd5f03f972", kill_on_drop: false }`
[INFO] [stdout] df5a2f658995ef6c3e8622287652f42c093a3a8da55dd9e69c83b7bd5f03f972