[INFO] fetching crate tabulate 1.1.1...
[INFO] checking tabulate-1.1.1 against beta for pr-78714
[INFO] extracting crate tabulate 1.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate tabulate 1.1.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tabulate 1.1.1
[INFO] finished tweaking crates.io crate tabulate 1.1.1
[INFO] tweaked toml for crates.io crate tabulate 1.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate tabulate 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baeb2aaad5aa30add114ecd8910693c16c11e1c1b6b31379af047222aa66f177
[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" "baeb2aaad5aa30add114ecd8910693c16c11e1c1b6b31379af047222aa66f177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baeb2aaad5aa30add114ecd8910693c16c11e1c1b6b31379af047222aa66f177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baeb2aaad5aa30add114ecd8910693c16c11e1c1b6b31379af047222aa66f177", kill_on_drop: false }`
[INFO] [stdout] baeb2aaad5aa30add114ecd8910693c16c11e1c1b6b31379af047222aa66f177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea806ce8794996e5039bd6891d4ecccadec083a0f41cd8d33c62c00126cf8cdb
[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" "ea806ce8794996e5039bd6891d4ecccadec083a0f41cd8d33c62c00126cf8cdb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling tabulate v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking combine v4.0.1
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     error_chain!{
[INFO] [stdout] 18 | |         foreign_links {
[INFO] [stdout] 19 | |             Io(::std::io::Error);
[INFO] [stdout] 20 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |         }
[INFO] [stdout] 33 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     error_chain!{
[INFO] [stdout] 18 | |         foreign_links {
[INFO] [stdout] 19 | |             Io(::std::io::Error);
[INFO] [stdout] 20 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |         }
[INFO] [stdout] 33 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.19s
[INFO] running `Command { std: "docker" "inspect" "ea806ce8794996e5039bd6891d4ecccadec083a0f41cd8d33c62c00126cf8cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea806ce8794996e5039bd6891d4ecccadec083a0f41cd8d33c62c00126cf8cdb", kill_on_drop: false }`
[INFO] [stdout] ea806ce8794996e5039bd6891d4ecccadec083a0f41cd8d33c62c00126cf8cdb