[INFO] fetching crate lmake_readme 0.5.4...
[INFO] checking lmake_readme-0.5.4 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate lmake_readme 0.5.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lmake_readme 0.5.4 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lmake_readme 0.5.4
[INFO] finished tweaking crates.io crate lmake_readme 0.5.4
[INFO] tweaked toml for crates.io crate lmake_readme 0.5.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate lmake_readme 0.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 295e98f9b548cd32f9b579c9f8672dd20ab5d7f0b8cdc37fee4f3c17574b2fbe
[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" "295e98f9b548cd32f9b579c9f8672dd20ab5d7f0b8cdc37fee4f3c17574b2fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "295e98f9b548cd32f9b579c9f8672dd20ab5d7f0b8cdc37fee4f3c17574b2fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295e98f9b548cd32f9b579c9f8672dd20ab5d7f0b8cdc37fee4f3c17574b2fbe", kill_on_drop: false }`
[INFO] [stdout] 295e98f9b548cd32f9b579c9f8672dd20ab5d7f0b8cdc37fee4f3c17574b2fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] e3047cda83729eca59e9459d146fc8cfdf76620bcca8eae71c14ff72be358ba7
[INFO] running `Command { std: "docker" "start" "-a" "e3047cda83729eca59e9459d146fc8cfdf76620bcca8eae71c14ff72be358ba7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking unwrap v1.2.1
[INFO] [stderr]     Checking ansi_term v0.12.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking lmake_readme v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `marker_name`
[INFO] [stdout]   --> src/includereadmemod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     marker_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `marker_name`
[INFO] [stdout]   --> src/includereadmemod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     marker_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `Command { std: "docker" "inspect" "e3047cda83729eca59e9459d146fc8cfdf76620bcca8eae71c14ff72be358ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3047cda83729eca59e9459d146fc8cfdf76620bcca8eae71c14ff72be358ba7", kill_on_drop: false }`
[INFO] [stdout] e3047cda83729eca59e9459d146fc8cfdf76620bcca8eae71c14ff72be358ba7