[INFO] fetching crate esl01-dag 0.2.1...
[INFO] checking esl01-dag-0.2.1 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate esl01-dag 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate esl01-dag 0.2.1 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate esl01-dag 0.2.1
[INFO] finished tweaking crates.io crate esl01-dag 0.2.1
[INFO] tweaked toml for crates.io crate esl01-dag 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b870b0e40ad2f017d569e6af6416b3ca1025a3208c7f6ed6ee6414b6f0f41b9b
[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" "b870b0e40ad2f017d569e6af6416b3ca1025a3208c7f6ed6ee6414b6f0f41b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b870b0e40ad2f017d569e6af6416b3ca1025a3208c7f6ed6ee6414b6f0f41b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b870b0e40ad2f017d569e6af6416b3ca1025a3208c7f6ed6ee6414b6f0f41b9b", kill_on_drop: false }`
[INFO] [stdout] b870b0e40ad2f017d569e6af6416b3ca1025a3208c7f6ed6ee6414b6f0f41b9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c73ad20003a467b59c7e4c91495a052e422433c50b98abe7a0fec357a561edf
[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" "2c73ad20003a467b59c7e4c91495a052e422433c50b98abe7a0fec357a561edf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking esl01-vlqencoding v0.1.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking hashbrown v0.9.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking esl01-drawdag v0.1.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking esl01-minibytes v0.2.0
[INFO] [stderr]     Checking esl01-indexedlog v0.1.2
[INFO] [stderr]     Checking esl01-dag v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "2c73ad20003a467b59c7e4c91495a052e422433c50b98abe7a0fec357a561edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c73ad20003a467b59c7e4c91495a052e422433c50b98abe7a0fec357a561edf", kill_on_drop: false }`
[INFO] [stdout] 2c73ad20003a467b59c7e4c91495a052e422433c50b98abe7a0fec357a561edf