[INFO] cloning repository https://github.com/just-cli/just-versions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/just-cli/just-versions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjust-cli%2Fjust-versions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjust-cli%2Fjust-versions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4a36d35bad78078e5cd610541ec305551567bd4
[INFO] testing just-cli/just-versions against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjust-cli%2Fjust-versions" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/just-cli/just-versions on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/just-cli/just-versions
[INFO] finished tweaking git repo https://github.com/just-cli/just-versions
[INFO] tweaked toml for git repo https://github.com/just-cli/just-versions written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/just-cli/just-versions already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.28
[INFO] [stderr]   Downloaded memchr v2.1.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded syn v0.15.23
[INFO] [stderr]   Downloaded regex-syntax v0.6.4
[INFO] [stderr]   Downloaded serde v1.0.84
[INFO] [stderr]   Downloaded shared_child v0.3.3
[INFO] [stderr]   Downloaded serde_derive v1.0.84
[INFO] [stderr]   Downloaded os_pipe v0.7.0
[INFO] [stderr]   Downloaded duct v0.11.1
[INFO] [stderr]   Downloaded libc v0.2.46
[INFO] [stderr]   Downloaded nix v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a64372c7b13882c3afe5864e24957679eb670979adab885ff775e6dbdb03a36
[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" "0a64372c7b13882c3afe5864e24957679eb670979adab885ff775e6dbdb03a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a64372c7b13882c3afe5864e24957679eb670979adab885ff775e6dbdb03a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a64372c7b13882c3afe5864e24957679eb670979adab885ff775e6dbdb03a36", kill_on_drop: false }`
[INFO] [stdout] 0a64372c7b13882c3afe5864e24957679eb670979adab885ff775e6dbdb03a36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c08eaacea1d5bd9fe46005f0e4b6933c4a6574908f285b12b9ff4fca52f83b5f
[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" "c08eaacea1d5bd9fe46005f0e4b6933c4a6574908f285b12b9ff4fca52f83b5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling shared_child v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling os_pipe v0.7.0
[INFO] [stderr]    Compiling duct v0.11.1
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling just-core v0.1.0 (https://github.com/just-cli/just-core#dcd7d8a4)
[INFO] [stderr]    Compiling just-versions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "c08eaacea1d5bd9fe46005f0e4b6933c4a6574908f285b12b9ff4fca52f83b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c08eaacea1d5bd9fe46005f0e4b6933c4a6574908f285b12b9ff4fca52f83b5f", kill_on_drop: false }`
[INFO] [stdout] c08eaacea1d5bd9fe46005f0e4b6933c4a6574908f285b12b9ff4fca52f83b5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5d69f66f25b4ff389aaf1da76741d8d201299641ca2b0ffab8646c7ed74c939
[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" "d5d69f66f25b4ff389aaf1da76741d8d201299641ca2b0ffab8646c7ed74c939", kill_on_drop: false }`
[INFO] [stderr]    Compiling just-versions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "d5d69f66f25b4ff389aaf1da76741d8d201299641ca2b0ffab8646c7ed74c939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d69f66f25b4ff389aaf1da76741d8d201299641ca2b0ffab8646c7ed74c939", kill_on_drop: false }`
[INFO] [stdout] d5d69f66f25b4ff389aaf1da76741d8d201299641ca2b0ffab8646c7ed74c939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc4425be7349609f626fae8ad78e0454ad2c51900b8a06dd95b2e902cbfabd8a
[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" "bc4425be7349609f626fae8ad78e0454ad2c51900b8a06dd95b2e902cbfabd8a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/just_versions-7b11465f85dfe4a9
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests just-versions
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc4425be7349609f626fae8ad78e0454ad2c51900b8a06dd95b2e902cbfabd8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4425be7349609f626fae8ad78e0454ad2c51900b8a06dd95b2e902cbfabd8a", kill_on_drop: false }`
[INFO] [stdout] bc4425be7349609f626fae8ad78e0454ad2c51900b8a06dd95b2e902cbfabd8a