[INFO] fetching crate lancelot 0.4.4...
[INFO] checking lancelot-0.4.4 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate lancelot 0.4.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lancelot 0.4.4 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lancelot 0.4.4
[INFO] finished tweaking crates.io crate lancelot 0.4.4
[INFO] tweaked toml for crates.io crate lancelot 0.4.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a0eb35020c33614bc01ab85d0452e00092e0ff2bb33b2619d7dc9a1780b61dc
[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" "1a0eb35020c33614bc01ab85d0452e00092e0ff2bb33b2619d7dc9a1780b61dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a0eb35020c33614bc01ab85d0452e00092e0ff2bb33b2619d7dc9a1780b61dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0eb35020c33614bc01ab85d0452e00092e0ff2bb33b2619d7dc9a1780b61dc", kill_on_drop: false }`
[INFO] [stdout] 1a0eb35020c33614bc01ab85d0452e00092e0ff2bb33b2619d7dc9a1780b61dc
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88b12e16b748ceef296d10caa7654d2f7658f00d378b71b3a8e3353fc1b0a31c
[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" "88b12e16b748ceef296d10caa7654d2f7658f00d378b71b3a8e3353fc1b0a31c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking widestring v0.4.3
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling zydis v3.1.1
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking better-panic v0.2.0
[INFO] [stderr]    Compiling scroll_derive v0.10.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking lancelot-flirt v0.4.4
[INFO] [stderr]     Checking lancelot v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.39s
[INFO] running `Command { std: "docker" "inspect" "88b12e16b748ceef296d10caa7654d2f7658f00d378b71b3a8e3353fc1b0a31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b12e16b748ceef296d10caa7654d2f7658f00d378b71b3a8e3353fc1b0a31c", kill_on_drop: false }`
[INFO] [stdout] 88b12e16b748ceef296d10caa7654d2f7658f00d378b71b3a8e3353fc1b0a31c