[INFO] fetching crate serde_repr 0.1.6...
[INFO] checking serde_repr-0.1.6 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate serde_repr 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serde_repr 0.1.6 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_repr 0.1.6
[INFO] finished tweaking crates.io crate serde_repr 0.1.6
[INFO] tweaked toml for crates.io crate serde_repr 0.1.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2aefeeced2da90f57418a9737b9ceb47f0f8013282a0f6bf9c23a191245eced1
[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" "2aefeeced2da90f57418a9737b9ceb47f0f8013282a0f6bf9c23a191245eced1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aefeeced2da90f57418a9737b9ceb47f0f8013282a0f6bf9c23a191245eced1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aefeeced2da90f57418a9737b9ceb47f0f8013282a0f6bf9c23a191245eced1", kill_on_drop: false }`
[INFO] [stdout] 2aefeeced2da90f57418a9737b9ceb47f0f8013282a0f6bf9c23a191245eced1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] f9ca05521c55784ff46765409da4604feb1c6258f97a8b63f0df97ab2c0bf215
[INFO] running `Command { std: "docker" "start" "-a" "f9ca05521c55784ff46765409da4604feb1c6258f97a8b63f0df97ab2c0bf215", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking proc-macro2 v1.0.21
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking serde_repr v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking trybuild v1.0.34
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.42s
[INFO] running `Command { std: "docker" "inspect" "f9ca05521c55784ff46765409da4604feb1c6258f97a8b63f0df97ab2c0bf215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ca05521c55784ff46765409da4604feb1c6258f97a8b63f0df97ab2c0bf215", kill_on_drop: false }`
[INFO] [stdout] f9ca05521c55784ff46765409da4604feb1c6258f97a8b63f0df97ab2c0bf215
