[INFO] fetching crate mount_status_monitor 2.1.5...
[INFO] checking mount_status_monitor-2.1.5 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate mount_status_monitor 2.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mount_status_monitor 2.1.5 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mount_status_monitor 2.1.5
[INFO] finished tweaking crates.io crate mount_status_monitor 2.1.5
[INFO] tweaked toml for crates.io crate mount_status_monitor 2.1.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate mount_status_monitor 2.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] 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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] feb95ca80e3720c8d3fcbd3e730a294d8b4f8cd45d1700a9e35b3a20ff8e797c
[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" "feb95ca80e3720c8d3fcbd3e730a294d8b4f8cd45d1700a9e35b3a20ff8e797c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "feb95ca80e3720c8d3fcbd3e730a294d8b4f8cd45d1700a9e35b3a20ff8e797c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb95ca80e3720c8d3fcbd3e730a294d8b4f8cd45d1700a9e35b3a20ff8e797c", kill_on_drop: false }`
[INFO] [stdout] feb95ca80e3720c8d3fcbd3e730a294d8b4f8cd45d1700a9e35b3a20ff8e797c
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b242b8b0899ff6bda37f721a39edcf9f1f2dea7ce8fc2c4dc861e9563cd483d4
[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" "b242b8b0899ff6bda37f721a39edcf9f1f2dea7ce8fc2c4dc861e9563cd483d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking slab v0.4.2
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[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking futures-core v0.3.4
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[INFO] [stderr]    Compiling openssl v0.10.28
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[INFO] [stderr]    Compiling encoding_rs v0.8.22
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[INFO] [stderr]    Compiling rayon-core v1.7.0
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[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking idna v0.2.0
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[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking syslog v5.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.3
[INFO] [stderr]     Checking mount_status_monitor v2.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "b242b8b0899ff6bda37f721a39edcf9f1f2dea7ce8fc2c4dc861e9563cd483d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b242b8b0899ff6bda37f721a39edcf9f1f2dea7ce8fc2c4dc861e9563cd483d4", kill_on_drop: false }`
[INFO] [stdout] b242b8b0899ff6bda37f721a39edcf9f1f2dea7ce8fc2c4dc861e9563cd483d4