[INFO] cloning repository https://github.com/terciodemelo/rtasks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/terciodemelo/rtasks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterciodemelo%2Frtasks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterciodemelo%2Frtasks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1652881dc72fad570036ddd83c84f264ac2643e0
[INFO] checking terciodemelo/rtasks against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterciodemelo%2Frtasks" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/terciodemelo/rtasks on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/terciodemelo/rtasks
[INFO] finished tweaking git repo https://github.com/terciodemelo/rtasks
[INFO] tweaked toml for git repo https://github.com/terciodemelo/rtasks written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/terciodemelo/rtasks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.45
[INFO] [stderr]   Downloaded backtrace v0.3.13
[INFO] [stderr]   Downloaded rand_core v0.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.44
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded failure_derive v0.1.3
[INFO] [stderr]   Downloaded serde v1.0.82
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded uuid v0.7.1
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded dirs v1.0.4
[INFO] [stderr]   Downloaded itoa v0.4.3
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded ryu v0.2.7
[INFO] [stderr]   Downloaded time v0.1.41
[INFO] [stderr]   Downloaded cc v1.0.28
[INFO] [stderr]   Downloaded failure v0.1.3
[INFO] [stderr]   Downloaded synstructure v0.10.1
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded rustc-demangle v0.1.11
[INFO] [stderr]   Downloaded syn v0.15.23
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] [stderr]   Downloaded serde_json v1.0.33
[INFO] [stderr]   Downloaded rand_core v0.2.2
[INFO] [stderr]   Downloaded autocfg v0.1.1
[INFO] [stderr]   Downloaded serde_derive v1.0.83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b8e389895b9350875d355253b154c859893f07ce83cd0c73dbdb18f14a46834
[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" "0b8e389895b9350875d355253b154c859893f07ce83cd0c73dbdb18f14a46834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b8e389895b9350875d355253b154c859893f07ce83cd0c73dbdb18f14a46834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8e389895b9350875d355253b154c859893f07ce83cd0c73dbdb18f14a46834", kill_on_drop: false }`
[INFO] [stdout] 0b8e389895b9350875d355253b154c859893f07ce83cd0c73dbdb18f14a46834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15e5c6327511b4c59add6b3e892ac4b59002c2c1c0eb84053fd714c89bcc3de0
[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" "15e5c6327511b4c59add6b3e892ac4b59002c2c1c0eb84053fd714c89bcc3de0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.83
[INFO] [stderr]     Checking rtasks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:120:59
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn numbered_row<'a>(row: u16, focused_row: u16, content: &Listable) -> String {
[INFO] [stdout]     |                                                           ^^^^^^^^ help: use `dyn`: `dyn Listable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:120:59
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn numbered_row<'a>(row: u16, focused_row: u16, content: &Listable) -> String {
[INFO] [stdout]     |                                                           ^^^^^^^^ help: use `dyn`: `dyn Listable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 39.00s
[INFO] running `Command { std: "docker" "inspect" "15e5c6327511b4c59add6b3e892ac4b59002c2c1c0eb84053fd714c89bcc3de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e5c6327511b4c59add6b3e892ac4b59002c2c1c0eb84053fd714c89bcc3de0", kill_on_drop: false }`
[INFO] [stdout] 15e5c6327511b4c59add6b3e892ac4b59002c2c1c0eb84053fd714c89bcc3de0