[INFO] cloning repository https://github.com/tudinfse/cds_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tudinfse/cds_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudinfse%2Fcds_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudinfse%2Fcds_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c51d0d6a31679dea2ca2234d7bef15f0235030b
[INFO] checking tudinfse/cds_server against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudinfse%2Fcds_server" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tudinfse/cds_server on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tudinfse/cds_server
[INFO] finished tweaking git repo https://github.com/tudinfse/cds_server
[INFO] tweaked toml for git repo https://github.com/tudinfse/cds_server written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tudinfse/cds_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded router v0.6.0
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded route-recognizer v0.1.12
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[INFO] [stderr]   Downloaded httparse v1.3.3
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded cc v1.0.34
[INFO] [stderr]   Downloaded regex v1.1.5
[INFO] [stderr]   Downloaded hyper v0.10.15
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded libc v0.2.51
[INFO] [stderr]   Downloaded syn v0.15.30
[INFO] [stderr]   Downloaded backtrace v0.3.15
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[INFO] [stderr]   Downloaded synstructure v0.10.1
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[INFO] [stderr]   Downloaded env_logger v0.6.1
[INFO] [stderr]   Downloaded unicode-normalization v0.1.8
[INFO] [stderr]   Downloaded serde v1.0.90
[INFO] [stderr]   Downloaded humantime v1.2.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.52
[INFO] [stderr]   Downloaded rand_jitter v0.1.3
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[INFO] [stderr]   Downloaded num_cpus v1.10.0
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[INFO] [stderr]   Downloaded serde_derive v1.0.90
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c15e845734755b7450144f412b03d3dc001edcb929f397183e70806935e82d90
[INFO] running `Command { std: "docker" "start" "-a" "c15e845734755b7450144f412b03d3dc001edcb929f397183e70806935e82d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c15e845734755b7450144f412b03d3dc001edcb929f397183e70806935e82d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c15e845734755b7450144f412b03d3dc001edcb929f397183e70806935e82d90", kill_on_drop: false }`
[INFO] [stdout] c15e845734755b7450144f412b03d3dc001edcb929f397183e70806935e82d90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ac4b1b130afdde084f48abeff3bfeb776e3adc67b1c99ee2dc589cd5e174eb3
[INFO] running `Command { std: "docker" "start" "-a" "0ac4b1b130afdde084f48abeff3bfeb776e3adc67b1c99ee2dc589cd5e174eb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling cc v1.0.34
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking route-recognizer v0.1.12
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking cds_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `iron` is imported redundantly
[INFO] [stdout]  --> src/server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use iron;
[INFO] [stdout]   |     ^^^^ the item `iron` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `iron` is imported redundantly
[INFO] [stdout]  --> src/server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use iron;
[INFO] [stdout]   |     ^^^^ the item `iron` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Server` is never constructed
[INFO] [stdout]   --> src/server.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Server {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HumanHelpHandler` is never constructed
[INFO] [stdout]   --> src/server.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct HumanHelpHandler {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvokeHandler` is never constructed
[INFO] [stdout]   --> src/server.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct InvokeHandler {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `json_error` is never used
[INFO] [stdout]   --> src/server.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | impl InvokeHandler {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 87 |     fn json_error(&self, error_msg: String) -> iron::IronResult<iron::Response> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `run` are never used
[INFO] [stdout]    --> src/server.rs:265:12
[INFO] [stdout]     |
[INFO] [stdout] 264 | impl Server {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 265 |     pub fn new(config_path: &Path, port: u16) -> Result<Server> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 282 |     pub fn run(self) -> Result<Arc<Server>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Server` is never constructed
[INFO] [stdout]   --> src/server.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Server {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HumanHelpHandler` is never constructed
[INFO] [stdout]   --> src/server.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct HumanHelpHandler {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvokeHandler` is never constructed
[INFO] [stdout]   --> src/server.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct InvokeHandler {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `json_error` is never used
[INFO] [stdout]   --> src/server.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | impl InvokeHandler {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 87 |     fn json_error(&self, error_msg: String) -> iron::IronResult<iron::Response> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `run` are never used
[INFO] [stdout]    --> src/server.rs:265:12
[INFO] [stdout]     |
[INFO] [stdout] 264 | impl Server {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 265 |     pub fn new(config_path: &Path, port: u16) -> Result<Server> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 282 |     pub fn run(self) -> Result<Arc<Server>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `iron` is imported redundantly
[INFO] [stdout]  --> src/server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use iron;
[INFO] [stdout]   |     ^^^^ the item `iron` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `iron` is imported redundantly
[INFO] [stdout]  --> src/server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use iron;
[INFO] [stdout]   |     ^^^^ the item `iron` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: route-recognizer v0.1.12, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "0ac4b1b130afdde084f48abeff3bfeb776e3adc67b1c99ee2dc589cd5e174eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac4b1b130afdde084f48abeff3bfeb776e3adc67b1c99ee2dc589cd5e174eb3", kill_on_drop: false }`
[INFO] [stdout] 0ac4b1b130afdde084f48abeff3bfeb776e3adc67b1c99ee2dc589cd5e174eb3
[INFO] checking tudinfse/cds_server against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudinfse%2Fcds_server" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tudinfse/cds_server on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tudinfse/cds_server
[INFO] finished tweaking git repo https://github.com/tudinfse/cds_server
[INFO] tweaked toml for git repo https://github.com/tudinfse/cds_server written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tudinfse/cds_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b94374abf8765a59885e5148e590098e238c6d776f4a92efaeb944ff997cb465
[INFO] running `Command { std: "docker" "start" "-a" "b94374abf8765a59885e5148e590098e238c6d776f4a92efaeb944ff997cb465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b94374abf8765a59885e5148e590098e238c6d776f4a92efaeb944ff997cb465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94374abf8765a59885e5148e590098e238c6d776f4a92efaeb944ff997cb465", kill_on_drop: false }`
[INFO] [stdout] b94374abf8765a59885e5148e590098e238c6d776f4a92efaeb944ff997cb465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc9d1916b3b27bd426074de7b65cd1af0847ba7c63542cb8409ebf2fda93834c
[INFO] running `Command { std: "docker" "start" "-a" "fc9d1916b3b27bd426074de7b65cd1af0847ba7c63542cb8409ebf2fda93834c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling cc v1.0.34
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking route-recognizer v0.1.12
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking cds_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `iron` is imported redundantly
[INFO] [stdout]  --> src/server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use iron;
[INFO] [stdout]   |     ^^^^ the item `iron` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `iron` is imported redundantly
[INFO] [stdout]  --> src/server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use iron;
[INFO] [stdout]   |     ^^^^ the item `iron` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Server` is never constructed
[INFO] [stdout]   --> src/server.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Server {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Server` is never constructed
[INFO] [stdout]   --> src/server.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Server {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HumanHelpHandler` is never constructed
[INFO] [stdout]   --> src/server.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct HumanHelpHandler {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HumanHelpHandler` is never constructed
[INFO] [stdout]   --> src/server.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct HumanHelpHandler {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvokeHandler` is never constructed
[INFO] [stdout]   --> src/server.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct InvokeHandler {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvokeHandler` is never constructed
[INFO] [stdout]   --> src/server.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct InvokeHandler {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `json_error` is never used
[INFO] [stdout]   --> src/server.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | impl InvokeHandler {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 87 |     fn json_error(&self, error_msg: String) -> iron::IronResult<iron::Response> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `json_error` is never used
[INFO] [stdout]   --> src/server.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | impl InvokeHandler {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 87 |     fn json_error(&self, error_msg: String) -> iron::IronResult<iron::Response> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `run` are never used
[INFO] [stdout]    --> src/server.rs:265:12
[INFO] [stdout]     |
[INFO] [stdout] 264 | impl Server {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 265 |     pub fn new(config_path: &Path, port: u16) -> Result<Server> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 282 |     pub fn run(self) -> Result<Arc<Server>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `run` are never used
[INFO] [stdout]    --> src/server.rs:265:12
[INFO] [stdout]     |
[INFO] [stdout] 264 | impl Server {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 265 |     pub fn new(config_path: &Path, port: u16) -> Result<Server> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 282 |     pub fn run(self) -> Result<Arc<Server>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `iron` is imported redundantly
[INFO] [stdout]  --> src/server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use iron;
[INFO] [stdout]   |     ^^^^ the item `iron` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `iron` is imported redundantly
[INFO] [stdout]  --> src/server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use iron;
[INFO] [stdout]   |     ^^^^ the item `iron` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.95s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: route-recognizer v0.1.12, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "fc9d1916b3b27bd426074de7b65cd1af0847ba7c63542cb8409ebf2fda93834c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc9d1916b3b27bd426074de7b65cd1af0847ba7c63542cb8409ebf2fda93834c", kill_on_drop: false }`
[INFO] [stdout] fc9d1916b3b27bd426074de7b65cd1af0847ba7c63542cb8409ebf2fda93834c