[INFO] fetching crate saml10e16a 0.2.0...
[INFO] checking saml10e16a-0.2.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate saml10e16a 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate saml10e16a 0.2.0 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 saml10e16a 0.2.0
[INFO] finished tweaking crates.io crate saml10e16a 0.2.0
[INFO] tweaked toml for crates.io crate saml10e16a 0.2.0 written to /workspace/builds/worker-7/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] [stderr]     Blocking waiting for file lock on package cache
[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 r0 v0.2.2
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.8
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded aligned v0.3.4
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded embedded-hal v0.2.5
[INFO] [stderr]   Downloaded cortex-m v0.7.2
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.13
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] da886d9d218d4e8c65e8dfee906bfdb3c1d30fda3e521fb1055f3044cf39a77c
[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" "da886d9d218d4e8c65e8dfee906bfdb3c1d30fda3e521fb1055f3044cf39a77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da886d9d218d4e8c65e8dfee906bfdb3c1d30fda3e521fb1055f3044cf39a77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da886d9d218d4e8c65e8dfee906bfdb3c1d30fda3e521fb1055f3044cf39a77c", kill_on_drop: false }`
[INFO] [stdout] da886d9d218d4e8c65e8dfee906bfdb3c1d30fda3e521fb1055f3044cf39a77c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca27abf7ecb8bd77eafbb26daf2c1f7c8ea01931171a910a727e3779eb9cdb3d
[INFO] running `Command { std: "docker" "start" "-a" "ca27abf7ecb8bd77eafbb26daf2c1f7c8ea01931171a910a727e3779eb9cdb3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling saml10e16a v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking cortex-m v0.7.2
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]     Checking cortex-m v0.6.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.70s
[INFO] running `Command { std: "docker" "inspect" "ca27abf7ecb8bd77eafbb26daf2c1f7c8ea01931171a910a727e3779eb9cdb3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca27abf7ecb8bd77eafbb26daf2c1f7c8ea01931171a910a727e3779eb9cdb3d", kill_on_drop: false }`
[INFO] [stdout] ca27abf7ecb8bd77eafbb26daf2c1f7c8ea01931171a910a727e3779eb9cdb3d