[INFO] fetching crate sensorlog 0.1.0...
[INFO] checking sensorlog-0.1.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate sensorlog 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sensorlog 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sensorlog 0.1.0
[INFO] finished tweaking crates.io crate sensorlog 0.1.0
[INFO] tweaked toml for crates.io crate sensorlog 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a95ec956645aab67c9a0bef0917cdb59c758f422dd2d6506abc6383a85d66a8
[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" "1a95ec956645aab67c9a0bef0917cdb59c758f422dd2d6506abc6383a85d66a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a95ec956645aab67c9a0bef0917cdb59c758f422dd2d6506abc6383a85d66a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a95ec956645aab67c9a0bef0917cdb59c758f422dd2d6506abc6383a85d66a8", kill_on_drop: false }`
[INFO] [stdout] 1a95ec956645aab67c9a0bef0917cdb59c758f422dd2d6506abc6383a85d66a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f312c30c474d955b196ffe0a1081d3c10ae8ab312a5391ea9e8344160d3437b
[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" "3f312c30c474d955b196ffe0a1081d3c10ae8ab312a5391ea9e8344160d3437b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]     Checking iron v0.4.0
[INFO] [stderr]     Checking sensorlog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/http.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/http.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf`, `Path`
[INFO] [stdout]   --> src/http.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::path::{Path,PathBuf};
[INFO] [stdout]    |                 ^^^^ ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]   --> src/http.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 | use std::sync::{Arc,Mutex};
[INFO] [stdout]    |                 ^^^ ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]   --> src/api.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde::{Serialize, Deserialize};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]   --> src/api_json.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde::{Serialize, Deserialize};
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/api_json.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |         method: &Fn(RequestType) -> Result<ResponseType, ::Error>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(RequestType) -> Result<ResponseType, ::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/server.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/http.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/http.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf`, `Path`
[INFO] [stdout]   --> src/http.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::path::{Path,PathBuf};
[INFO] [stdout]    |                 ^^^^ ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]   --> src/http.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 | use std::sync::{Arc,Mutex};
[INFO] [stdout]    |                 ^^^ ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]   --> src/api.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde::{Serialize, Deserialize};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]   --> src/api_json.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde::{Serialize, Deserialize};
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/api_json.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |         method: &Fn(RequestType) -> Result<ResponseType, ::Error>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(RequestType) -> Result<ResponseType, ::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/server.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `datadir`
[INFO] [stdout]    --> src/server.rs:101:6
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let datadir = match flags.opt_str("datadir") {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_datadir`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/error.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn from(e: ()) -> Error {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `datadir`
[INFO] [stdout]    --> src/server.rs:101:6
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let datadir = match flags.opt_str("datadir") {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_datadir`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/error.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn from(e: ()) -> Error {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotFound`
[INFO] [stdout]   --> src/error.rs:24:43
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum ErrorCode { InternalServerError, NotFound, BadRequest }
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotFound`
[INFO] [stdout]   --> src/error.rs:24:43
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum ErrorCode { InternalServerError, NotFound, BadRequest }
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.65s
[INFO] running `Command { std: "docker" "inspect" "3f312c30c474d955b196ffe0a1081d3c10ae8ab312a5391ea9e8344160d3437b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f312c30c474d955b196ffe0a1081d3c10ae8ab312a5391ea9e8344160d3437b", kill_on_drop: false }`
[INFO] [stdout] 3f312c30c474d955b196ffe0a1081d3c10ae8ab312a5391ea9e8344160d3437b
