[INFO] fetching crate sheatmap 0.1.0...
[INFO] checking sheatmap-0.1.0 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate sheatmap 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sheatmap 0.1.0 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 sheatmap 0.1.0
[INFO] finished tweaking crates.io crate sheatmap 0.1.0
[INFO] tweaked toml for crates.io crate sheatmap 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate sheatmap 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0ed6a8d43e82bf3ce6e91237f2814eba5c1b49a041c9ebed2d9e49ce9173d6b
[INFO] running `Command { std: "docker" "start" "-a" "c0ed6a8d43e82bf3ce6e91237f2814eba5c1b49a041c9ebed2d9e49ce9173d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0ed6a8d43e82bf3ce6e91237f2814eba5c1b49a041c9ebed2d9e49ce9173d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ed6a8d43e82bf3ce6e91237f2814eba5c1b49a041c9ebed2d9e49ce9173d6b", kill_on_drop: false }`
[INFO] [stdout] c0ed6a8d43e82bf3ce6e91237f2814eba5c1b49a041c9ebed2d9e49ce9173d6b
[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] 4a5a75661143329fc6532130378d7f89f7e2093e51ded045d2c7cb3abc53c09a
[INFO] running `Command { std: "docker" "start" "-a" "4a5a75661143329fc6532130378d7f89f7e2093e51ded045d2c7cb3abc53c09a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking memchr v2.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.7
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking bstr v0.2.10
[INFO] [stderr]     Checking rstar v0.7.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking sheatmap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.51s
[INFO] running `Command { std: "docker" "inspect" "4a5a75661143329fc6532130378d7f89f7e2093e51ded045d2c7cb3abc53c09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a5a75661143329fc6532130378d7f89f7e2093e51ded045d2c7cb3abc53c09a", kill_on_drop: false }`
[INFO] [stdout] 4a5a75661143329fc6532130378d7f89f7e2093e51ded045d2c7cb3abc53c09a