[INFO] cloning repository https://github.com/pombase/pombase_rc_string
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pombase/pombase_rc_string" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpombase%2Fpombase_rc_string", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpombase%2Fpombase_rc_string'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b26858582ddd5c18209a82b004ba46385da5a4b
[INFO] checking pombase/pombase_rc_string against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpombase%2Fpombase_rc_string" "/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/pombase/pombase_rc_string on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pombase/pombase_rc_string
[INFO] finished tweaking git repo https://github.com/pombase/pombase_rc_string
[INFO] tweaked toml for git repo https://github.com/pombase/pombase_rc_string written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/pombase/pombase_rc_string already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.4.13
[INFO] [stderr]   Downloaded serde_derive v1.0.75
[INFO] [stderr]   Downloaded serde v1.0.75
[INFO] [stderr]   Downloaded itoa v0.4.2
[INFO] [stderr]   Downloaded ryu v0.2.5
[INFO] [stderr]   Downloaded weak-table v0.2.3
[INFO] [stderr]   Downloaded serde_json v1.0.26
[INFO] [stderr]   Downloaded version_check v0.1.4
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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] f332baa4a69d2cd855a0d9de4dcd447ae72db7f17eb5ffaab50098207f03d1c6
[INFO] running `Command { std: "docker" "start" "-a" "f332baa4a69d2cd855a0d9de4dcd447ae72db7f17eb5ffaab50098207f03d1c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f332baa4a69d2cd855a0d9de4dcd447ae72db7f17eb5ffaab50098207f03d1c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f332baa4a69d2cd855a0d9de4dcd447ae72db7f17eb5ffaab50098207f03d1c6", kill_on_drop: false }`
[INFO] [stdout] f332baa4a69d2cd855a0d9de4dcd447ae72db7f17eb5ffaab50098207f03d1c6
[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=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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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] 8ec6a7b2a7a4a95ad7ff9f01f781f7cc7017906b6297aef806f9dcc05028216a
[INFO] running `Command { std: "docker" "start" "-a" "8ec6a7b2a7a4a95ad7ff9f01f781f7cc7017906b6297aef806f9dcc05028216a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ryu v0.2.5
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking weak-table v0.2.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]     Checking pombase_rc_string v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.09s
[INFO] running `Command { std: "docker" "inspect" "8ec6a7b2a7a4a95ad7ff9f01f781f7cc7017906b6297aef806f9dcc05028216a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec6a7b2a7a4a95ad7ff9f01f781f7cc7017906b6297aef806f9dcc05028216a", kill_on_drop: false }`
[INFO] [stdout] 8ec6a7b2a7a4a95ad7ff9f01f781f7cc7017906b6297aef806f9dcc05028216a