[INFO] fetching crate esl 0.4.0...
[INFO] checking esl-0.4.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate esl 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate esl 0.4.0 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 esl 0.4.0
[INFO] finished tweaking crates.io crate esl 0.4.0
[INFO] tweaked toml for crates.io crate esl 0.4.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4acf8b610ccc5d3ce2da08ea4cdf1231c5dc8e27150cbfa424f5832d97f87671
[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" "4acf8b610ccc5d3ce2da08ea4cdf1231c5dc8e27150cbfa424f5832d97f87671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4acf8b610ccc5d3ce2da08ea4cdf1231c5dc8e27150cbfa424f5832d97f87671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4acf8b610ccc5d3ce2da08ea4cdf1231c5dc8e27150cbfa424f5832d97f87671", kill_on_drop: false }`
[INFO] [stdout] 4acf8b610ccc5d3ce2da08ea4cdf1231c5dc8e27150cbfa424f5832d97f87671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/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] 998be25ab05dd3e97a849f5bf0533df9f4c49dfb40274f36dbca7537bb80d72d
[INFO] running `Command { std: "docker" "start" "-a" "998be25ab05dd3e97a849f5bf0533df9f4c49dfb40274f36dbca7537bb80d72d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]     Checking nameof v1.2.1
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking macro-attr v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.1
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling esl v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "998be25ab05dd3e97a849f5bf0533df9f4c49dfb40274f36dbca7537bb80d72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998be25ab05dd3e97a849f5bf0533df9f4c49dfb40274f36dbca7537bb80d72d", kill_on_drop: false }`
[INFO] [stdout] 998be25ab05dd3e97a849f5bf0533df9f4c49dfb40274f36dbca7537bb80d72d