[INFO] fetching crate mdread-donot-use-test-only 0.1.0...
[INFO] checking mdread-donot-use-test-only-0.1.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate mdread-donot-use-test-only 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mdread-donot-use-test-only 0.1.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdread-donot-use-test-only 0.1.0
[INFO] finished tweaking crates.io crate mdread-donot-use-test-only 0.1.0
[INFO] tweaked toml for crates.io crate mdread-donot-use-test-only 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate mdread-donot-use-test-only 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d01f3187cbc5b81b35dcc550eb5f03302f83106e7a5722b6fe7137f6faf0546a
[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" "d01f3187cbc5b81b35dcc550eb5f03302f83106e7a5722b6fe7137f6faf0546a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d01f3187cbc5b81b35dcc550eb5f03302f83106e7a5722b6fe7137f6faf0546a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d01f3187cbc5b81b35dcc550eb5f03302f83106e7a5722b6fe7137f6faf0546a", kill_on_drop: false }`
[INFO] [stdout] d01f3187cbc5b81b35dcc550eb5f03302f83106e7a5722b6fe7137f6faf0546a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] c2e55f646943a2fa4712f6ae34deaeb046c8e500bcc596c1aec3928faca05dc1
[INFO] running `Command { std: "docker" "start" "-a" "c2e55f646943a2fa4712f6ae34deaeb046c8e500bcc596c1aec3928faca05dc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling maud_macros v0.22.0
[INFO] [stderr]     Checking maud v0.22.0
[INFO] [stderr]     Checking mdread-donot-use-test-only v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "c2e55f646943a2fa4712f6ae34deaeb046c8e500bcc596c1aec3928faca05dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e55f646943a2fa4712f6ae34deaeb046c8e500bcc596c1aec3928faca05dc1", kill_on_drop: false }`
[INFO] [stdout] c2e55f646943a2fa4712f6ae34deaeb046c8e500bcc596c1aec3928faca05dc1