[INFO] fetching crate backtrace 0.3.56...
[INFO] checking backtrace-0.3.56 against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] extracting crate backtrace 0.3.56 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate backtrace 0.3.56 on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backtrace 0.3.56
[INFO] removed 0 missing examples
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate backtrace 0.3.56
[INFO] tweaked toml for crates.io crate backtrace 0.3.56 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate backtrace 0.3.56 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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] 269da6cc662c6ffa1eef3f6f83a73ea06732c6f614cefc2f5c052a22c6f50e8e
[INFO] running `Command { std: "docker" "start" "-a" "269da6cc662c6ffa1eef3f6f83a73ea06732c6f614cefc2f5c052a22c6f50e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "269da6cc662c6ffa1eef3f6f83a73ea06732c6f614cefc2f5c052a22c6f50e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269da6cc662c6ffa1eef3f6f83a73ea06732c6f614cefc2f5c052a22c6f50e8e", kill_on_drop: false }`
[INFO] [stdout] 269da6cc662c6ffa1eef3f6f83a73ea06732c6f614cefc2f5c052a22c6f50e8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d38ad90a266388d3a62dcc9852d72cc560bdf6cdfbd117797068d92c0ef2c054
[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" "d38ad90a266388d3a62dcc9852d72cc560bdf6cdfbd117797068d92c0ef2c054", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking backtrace v0.3.56 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "d38ad90a266388d3a62dcc9852d72cc560bdf6cdfbd117797068d92c0ef2c054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38ad90a266388d3a62dcc9852d72cc560bdf6cdfbd117797068d92c0ef2c054", kill_on_drop: false }`
[INFO] [stdout] d38ad90a266388d3a62dcc9852d72cc560bdf6cdfbd117797068d92c0ef2c054