[INFO] fetching crate to_done 1.0.0...
[INFO] checking to_done-1.0.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate to_done 1.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate to_done 1.0.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate to_done 1.0.0
[INFO] finished tweaking crates.io crate to_done 1.0.0
[INFO] tweaked toml for crates.io crate to_done 1.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate to_done 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scanlex v0.1.2
[INFO] [stderr]   Downloaded chrono-english v0.1.4
[INFO] [stderr]   Downloaded bstr v0.2.10
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d458be8e806c9da67727f2dc16f33c6763ac681b19a6fb61ce6fca497d197be0
[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" "d458be8e806c9da67727f2dc16f33c6763ac681b19a6fb61ce6fca497d197be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d458be8e806c9da67727f2dc16f33c6763ac681b19a6fb61ce6fca497d197be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d458be8e806c9da67727f2dc16f33c6763ac681b19a6fb61ce6fca497d197be0", kill_on_drop: false }`
[INFO] [stdout] d458be8e806c9da67727f2dc16f33c6763ac681b19a6fb61ce6fca497d197be0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9942e7d5975c9c06dfe65b246f72ac5325c58176665568f27f3f7331ed7c70bb
[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" "9942e7d5975c9c06dfe65b246f72ac5325c58176665568f27f3f7331ed7c70bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking memchr v2.3.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking chrono-english v0.1.4
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking bstr v0.2.10
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking to_done v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.07s
[INFO] running `Command { std: "docker" "inspect" "9942e7d5975c9c06dfe65b246f72ac5325c58176665568f27f3f7331ed7c70bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9942e7d5975c9c06dfe65b246f72ac5325c58176665568f27f3f7331ed7c70bb", kill_on_drop: false }`
[INFO] [stdout] 9942e7d5975c9c06dfe65b246f72ac5325c58176665568f27f3f7331ed7c70bb