[INFO] fetching crate mapped-guard 0.0.1...
[INFO] checking mapped-guard-0.0.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate mapped-guard 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mapped-guard 0.0.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mapped-guard 0.0.1
[INFO] finished tweaking crates.io crate mapped-guard 0.0.1
[INFO] tweaked toml for crates.io crate mapped-guard 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dd451c3f410dce2b6ade081315c7601dc9fc6bb340b78789faf2f835204b29e
[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" "4dd451c3f410dce2b6ade081315c7601dc9fc6bb340b78789faf2f835204b29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dd451c3f410dce2b6ade081315c7601dc9fc6bb340b78789faf2f835204b29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd451c3f410dce2b6ade081315c7601dc9fc6bb340b78789faf2f835204b29e", kill_on_drop: false }`
[INFO] [stdout] 4dd451c3f410dce2b6ade081315c7601dc9fc6bb340b78789faf2f835204b29e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50bc09792e9cb5c828644400947866b54589a5415ad0f46c1528e3103ee4dec7
[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" "50bc09792e9cb5c828644400947866b54589a5415ad0f46c1528e3103ee4dec7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking mapped-guard v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking version-sync v0.9.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.76s
[INFO] running `Command { std: "docker" "inspect" "50bc09792e9cb5c828644400947866b54589a5415ad0f46c1528e3103ee4dec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50bc09792e9cb5c828644400947866b54589a5415ad0f46c1528e3103ee4dec7", kill_on_drop: false }`
[INFO] [stdout] 50bc09792e9cb5c828644400947866b54589a5415ad0f46c1528e3103ee4dec7