[INFO] cloning repository https://github.com/jgoerzen/cdcvis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgoerzen/cdcvis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgoerzen%2Fcdcvis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgoerzen%2Fcdcvis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 390cac37e96036a98623693f5512152c9130d951
[INFO] checking jgoerzen/cdcvis against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgoerzen%2Fcdcvis" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgoerzen/cdcvis on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jgoerzen/cdcvis
[INFO] finished tweaking git repo https://github.com/jgoerzen/cdcvis
[INFO] tweaked toml for git repo https://github.com/jgoerzen/cdcvis written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jgoerzen/cdcvis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0983f9a319d7c351ef3b6f1dc340abff1bf0dc930f20839de0fc3e98443541c0
[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" "0983f9a319d7c351ef3b6f1dc340abff1bf0dc930f20839de0fc3e98443541c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0983f9a319d7c351ef3b6f1dc340abff1bf0dc930f20839de0fc3e98443541c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0983f9a319d7c351ef3b6f1dc340abff1bf0dc930f20839de0fc3e98443541c0", kill_on_drop: false }`
[INFO] [stdout] 0983f9a319d7c351ef3b6f1dc340abff1bf0dc930f20839de0fc3e98443541c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 525894a3d11fe3c4da1a45d57fb2e9b24736a16c46d3b38cd1298418527da7e2
[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" "525894a3d11fe3c4da1a45d57fb2e9b24736a16c46d3b38cd1298418527da7e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]     Checking bstr v0.2.4
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking cdcvis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:57:75
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn parse_init_file(filename: String) -> Result<csv::Reader<File>, Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:57:75
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn parse_init_file(filename: String) -> Result<csv::Reader<File>, Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:29:44
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn get_first_arg() -> Result<OsString, Box<Error>> {
[INFO] [stdout]    |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:29:44
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn get_first_arg() -> Result<OsString, Box<Error>> {
[INFO] [stdout]    |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `aretitlesok`
[INFO] [stdout]    --> src/analysis.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub fn aretitlesok(top: &Node<TreeEntry>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `traverse_start_only`
[INFO] [stdout]   --> src/sankeygen.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn traverse_start_only<A>(x: rctree::NodeEdge<A>) -> Option<rctree::Node<A>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `coalesce`
[INFO] [stdout]    --> src/analysis.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn coalesce(top: &mut Node<TreeEntry>, maxperlevel: usize) -> () {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `aretitlesok`
[INFO] [stdout]    --> src/analysis.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub fn aretitlesok(top: &Node<TreeEntry>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `traverse_start_only`
[INFO] [stdout]   --> src/sankeygen.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn traverse_start_only<A>(x: rctree::NodeEdge<A>) -> Option<rctree::Node<A>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.05s
[INFO] running `Command { std: "docker" "inspect" "525894a3d11fe3c4da1a45d57fb2e9b24736a16c46d3b38cd1298418527da7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "525894a3d11fe3c4da1a45d57fb2e9b24736a16c46d3b38cd1298418527da7e2", kill_on_drop: false }`
[INFO] [stdout] 525894a3d11fe3c4da1a45d57fb2e9b24736a16c46d3b38cd1298418527da7e2