[INFO] cloning repository https://github.com/lukors/time_track
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukors/time_track" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukors%2Ftime_track", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukors%2Ftime_track'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1a1521fee221cb098efb1889e93228fa7d1ab98
[INFO] checking lukors/time_track against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukors%2Ftime_track" "/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/lukors/time_track on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lukors/time_track
[INFO] finished tweaking git repo https://github.com/lukors/time_track
[INFO] tweaked toml for git repo https://github.com/lukors/time_track written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/lukors/time_track already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v0.7.1
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] 1e8251b80f309cc568b977c55bffe94e0863726b74bdbae2c316f7253ac3aec6
[INFO] running `Command { std: "docker" "start" "-a" "1e8251b80f309cc568b977c55bffe94e0863726b74bdbae2c316f7253ac3aec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e8251b80f309cc568b977c55bffe94e0863726b74bdbae2c316f7253ac3aec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e8251b80f309cc568b977c55bffe94e0863726b74bdbae2c316f7253ac3aec6", kill_on_drop: false }`
[INFO] [stdout] 1e8251b80f309cc568b977c55bffe94e0863726b74bdbae2c316f7253ac3aec6
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69ff7d16f421c8601f14ecdbda9428ec3aa3355a1d19585e50fa74c8014c1064
[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" "69ff7d16f421c8601f14ecdbda9428ec3aa3355a1d19585e50fa74c8014c1064", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling serde_derive v1.0.78
[INFO] [stderr]     Checking quickcheck v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.27
[INFO] [stderr]     Checking time_track v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:54:32
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:210:26
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let tag_ids: Vec<(_)> = short_names
[INFO] [stdout]     |                          ^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:54:32
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:210:26
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let tag_ids: Vec<(_)> = short_names
[INFO] [stdout]     |                          ^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:455:17
[INFO] [stdout]     |
[INFO] [stdout] 455 |             let mut event = self.events.get_mut(&time).unwrap();
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:455:17
[INFO] [stdout]     |
[INFO] [stdout] 455 |             let mut event = self.events.get_mut(&time).unwrap();
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.52s
[INFO] running `Command { std: "docker" "inspect" "69ff7d16f421c8601f14ecdbda9428ec3aa3355a1d19585e50fa74c8014c1064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ff7d16f421c8601f14ecdbda9428ec3aa3355a1d19585e50fa74c8014c1064", kill_on_drop: false }`
[INFO] [stdout] 69ff7d16f421c8601f14ecdbda9428ec3aa3355a1d19585e50fa74c8014c1064