[INFO] cloning repository https://github.com/CleverCloud/metrics-spec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CleverCloud/metrics-spec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCleverCloud%2Fmetrics-spec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCleverCloud%2Fmetrics-spec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9af982eb50f36328da9541ad7123e53019815c56
[INFO] checking CleverCloud/metrics-spec against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCleverCloud%2Fmetrics-spec" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CleverCloud/metrics-spec on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CleverCloud/metrics-spec
[INFO] finished tweaking git repo https://github.com/CleverCloud/metrics-spec
[INFO] tweaked toml for git repo https://github.com/CleverCloud/metrics-spec written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/CleverCloud/metrics-spec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linked-hash-map v0.5.0
[INFO] [stderr]   Downloaded structopt-derive v0.1.6
[INFO] [stderr]   Downloaded serde_yaml v0.7.3
[INFO] [stderr]   Downloaded stdweb v0.3.0
[INFO] [stderr]   Downloaded structopt v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] cfa9c28e22ac0689f86fa114af38a52b6391200f34cc56c983d3c43b34499bbf
[INFO] running `Command { std: "docker" "start" "-a" "cfa9c28e22ac0689f86fa114af38a52b6391200f34cc56c983d3c43b34499bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfa9c28e22ac0689f86fa114af38a52b6391200f34cc56c983d3c43b34499bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa9c28e22ac0689f86fa114af38a52b6391200f34cc56c983d3c43b34499bbf", kill_on_drop: false }`
[INFO] [stdout] cfa9c28e22ac0689f86fa114af38a52b6391200f34cc56c983d3c43b34499bbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58f63fe706d1db421420882f342edc5aa52b55a616f4540c5e59520f2d0d3d15
[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" "58f63fe706d1db421420882f342edc5aa52b55a616f4540c5e59520f2d0d3d15", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking linked-hash-map v0.5.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking metrics_lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> lib/src/lib.rs:84:58
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn parse_aggregate_str(s: &str) -> Result<Aggregate, Box<Error>> {
[INFO] [stdout]    |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[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]   --> lib/src/lib.rs:86:35
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let res_op: Result<AggOp, Box<Error>> = match elems.next() {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:162:48
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn parse_with_unit(s: &str) -> Result<i64, Box<Error>> {
[INFO] [stdout]     |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:164:45
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let result: Result<regex::Captures, Box<Error>> = re.captures(s).ok_or("Missing number".into());
[INFO] [stdout]     |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:206:56
[INFO] [stdout]     |
[INFO] [stdout] 206 | fn parse_next_int(os: Option<&str>) -> Result<i64, Box<Error>> {
[INFO] [stdout]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:216:58
[INFO] [stdout]     |
[INFO] [stdout] 216 | fn parse_transform_str(s: &str) -> Result<Transform, Box<Error>> {
[INFO] [stdout]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:320:58
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub fn parse_toml(contents: &str) -> Result<Metrics, Box<Error>> {
[INFO] [stdout]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:325:58
[INFO] [stdout]     |
[INFO] [stdout] 325 | pub fn parse_yaml(contents: &str) -> Result<Metrics, Box<Error>> {
[INFO] [stdout]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:330:63
[INFO] [stdout]     |
[INFO] [stdout] 330 | pub fn generate_toml(metrics: &Metrics) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:335:63
[INFO] [stdout]     |
[INFO] [stdout] 335 | pub fn generate_yaml(metrics: &Metrics) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> lib/src/lib.rs:84:58
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn parse_aggregate_str(s: &str) -> Result<Aggregate, Box<Error>> {
[INFO] [stdout]    |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[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]   --> lib/src/lib.rs:86:35
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let res_op: Result<AggOp, Box<Error>> = match elems.next() {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:162:48
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn parse_with_unit(s: &str) -> Result<i64, Box<Error>> {
[INFO] [stdout]     |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:164:45
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let result: Result<regex::Captures, Box<Error>> = re.captures(s).ok_or("Missing number".into());
[INFO] [stdout]     |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:206:56
[INFO] [stdout]     |
[INFO] [stdout] 206 | fn parse_next_int(os: Option<&str>) -> Result<i64, Box<Error>> {
[INFO] [stdout]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:216:58
[INFO] [stdout]     |
[INFO] [stdout] 216 | fn parse_transform_str(s: &str) -> Result<Transform, Box<Error>> {
[INFO] [stdout]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:320:58
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub fn parse_toml(contents: &str) -> Result<Metrics, Box<Error>> {
[INFO] [stdout]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:325:58
[INFO] [stdout]     |
[INFO] [stdout] 325 | pub fn parse_yaml(contents: &str) -> Result<Metrics, Box<Error>> {
[INFO] [stdout]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:330:63
[INFO] [stdout]     |
[INFO] [stdout] 330 | pub fn generate_toml(metrics: &Metrics) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/src/lib.rs:335:63
[INFO] [stdout]     |
[INFO] [stdout] 335 | pub fn generate_yaml(metrics: &Metrics) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking stdweb v0.3.0
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking structopt v0.1.6
[INFO] [stderr]     Checking metrics-cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> cli/src/bin/metrics.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |     type Err = Box<std::error::Error>;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[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]   --> cli/src/bin/metrics.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |     type Err = Box<std::error::Error>;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[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]     Checking metrics-web v0.1.0 (/opt/rustwide/workdir/web)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.48s
[INFO] running `Command { std: "docker" "inspect" "58f63fe706d1db421420882f342edc5aa52b55a616f4540c5e59520f2d0d3d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f63fe706d1db421420882f342edc5aa52b55a616f4540c5e59520f2d0d3d15", kill_on_drop: false }`
[INFO] [stdout] 58f63fe706d1db421420882f342edc5aa52b55a616f4540c5e59520f2d0d3d15