[INFO] fetching crate mowl 2.1.1...
[INFO] checking mowl-2.1.1 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate mowl 2.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mowl 2.1.1 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mowl 2.1.1
[INFO] finished tweaking crates.io crate mowl 2.1.1
[INFO] tweaked toml for crates.io crate mowl 2.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f6a557894b5c33851973257dabd3ed3df4c4cefeb2f2329da854eeeb7cc0bb9
[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" "2f6a557894b5c33851973257dabd3ed3df4c4cefeb2f2329da854eeeb7cc0bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f6a557894b5c33851973257dabd3ed3df4c4cefeb2f2329da854eeeb7cc0bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6a557894b5c33851973257dabd3ed3df4c4cefeb2f2329da854eeeb7cc0bb9", kill_on_drop: false }`
[INFO] [stdout] 2f6a557894b5c33851973257dabd3ed3df4c4cefeb2f2329da854eeeb7cc0bb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61fb39adb9434481aacac7122e0ce994e1cbc6141f3352c1646f5f2a2d1bcd67
[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" "61fb39adb9434481aacac7122e0ce994e1cbc6141f3352c1646f5f2a2d1bcd67", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling const_fn v0.4.7
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking mowl v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.36s
[INFO] running `Command { std: "docker" "inspect" "61fb39adb9434481aacac7122e0ce994e1cbc6141f3352c1646f5f2a2d1bcd67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fb39adb9434481aacac7122e0ce994e1cbc6141f3352c1646f5f2a2d1bcd67", kill_on_drop: false }`
[INFO] [stdout] 61fb39adb9434481aacac7122e0ce994e1cbc6141f3352c1646f5f2a2d1bcd67