[INFO] updating cached repository https://github.com/jeanguyomarch/mktcb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dda57630e4e59c2f905f82f7c98abf7f7d720cb
[INFO] checking jeanguyomarch/mktcb against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeanguyomarch%2Fmktcb" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeanguyomarch/mktcb on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeanguyomarch/mktcb
[INFO] finished tweaking git repo https://github.com/jeanguyomarch/mktcb
[INFO] tweaked toml for git repo https://github.com/jeanguyomarch/mktcb written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jeanguyomarch/mktcb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b8145dded7b75657cce889eeeb4f016e2138335296b4002b95fe4d1d5b00d4e
[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" "1b8145dded7b75657cce889eeeb4f016e2138335296b4002b95fe4d1d5b00d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b8145dded7b75657cce889eeeb4f016e2138335296b4002b95fe4d1d5b00d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b8145dded7b75657cce889eeeb4f016e2138335296b4002b95fe4d1d5b00d4e", kill_on_drop: false }`
[INFO] [stdout] 1b8145dded7b75657cce889eeeb4f016e2138335296b4002b95fe4d1d5b00d4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6870e934b6fb96768999488051f61ec15ddeb29d6ea273b77c5a97a9e4300d61
[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" "6870e934b6fb96768999488051f61ec15ddeb29d6ea273b77c5a97a9e4300d61", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling curl v0.4.29
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking byte-unit v3.0.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]    Compiling lzma-sys v0.1.15
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking console v0.11.2
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]    Compiling snafu-derive v0.6.6
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking snafu v0.6.6
[INFO] [stderr]     Checking mktcb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "6870e934b6fb96768999488051f61ec15ddeb29d6ea273b77c5a97a9e4300d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6870e934b6fb96768999488051f61ec15ddeb29d6ea273b77c5a97a9e4300d61", kill_on_drop: false }`
[INFO] [stdout] 6870e934b6fb96768999488051f61ec15ddeb29d6ea273b77c5a97a9e4300d61