[INFO] cloning repository https://github.com/passcod/ct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/passcod/ct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpasscod%2Fct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpasscod%2Fct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96ee5e41e97d4630be36404805570c411de5182f
[INFO] checking passcod/ct against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpasscod%2Fct" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/passcod/ct on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/passcod/ct
[INFO] finished tweaking git repo https://github.com/passcod/ct
[INFO] tweaked toml for git repo https://github.com/passcod/ct written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/passcod/ct already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac9b1880d1b54b5dbd1bf5fec0cfcfa589354ac8cb1c58640fc40a555830fa22
[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" "ac9b1880d1b54b5dbd1bf5fec0cfcfa589354ac8cb1c58640fc40a555830fa22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac9b1880d1b54b5dbd1bf5fec0cfcfa589354ac8cb1c58640fc40a555830fa22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9b1880d1b54b5dbd1bf5fec0cfcfa589354ac8cb1c58640fc40a555830fa22", kill_on_drop: false }`
[INFO] [stdout] ac9b1880d1b54b5dbd1bf5fec0cfcfa589354ac8cb1c58640fc40a555830fa22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fae96b861ac1dec64f63785bce6b7dbb08d7b2345be00720e6c11723bf8f018
[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" "4fae96b861ac1dec64f63785bce6b7dbb08d7b2345be00720e6c11723bf8f018", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking term_grid v0.1.7
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking iso8601 v0.1.1
[INFO] [stderr]    Compiling locale v0.2.2
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.8.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking datetime v0.4.7
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking zoneinfo_compiled v0.4.8
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling exa v0.9.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking git2 v0.9.2
[INFO] [stderr]     Checking ct v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "4fae96b861ac1dec64f63785bce6b7dbb08d7b2345be00720e6c11723bf8f018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fae96b861ac1dec64f63785bce6b7dbb08d7b2345be00720e6c11723bf8f018", kill_on_drop: false }`
[INFO] [stdout] 4fae96b861ac1dec64f63785bce6b7dbb08d7b2345be00720e6c11723bf8f018