[INFO] fetching crate sensor-scd30 0.4.0...
[INFO] checking sensor-scd30-0.4.0 against master#05eac57ef6668c9d181b65aceb96b1e7881f60be for pr-127656
[INFO] extracting crate sensor-scd30 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate sensor-scd30 0.4.0 on toolchain 05eac57ef6668c9d181b65aceb96b1e7881f60be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate sensor-scd30 0.4.0
[INFO] finished tweaking crates.io crate sensor-scd30 0.4.0
[INFO] tweaked toml for crates.io crate sensor-scd30 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate sensor-scd30 0.4.0 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" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v1.0.5
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.4
[INFO] [stderr]   Downloaded color-backtrace v0.1.3
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded linux-embedded-hal v0.2.2
[INFO] [stderr]   Downloaded spidev v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d087f22d403146048d4ac36f8a5e77988548817785cfa9bbc15a69979942f0ae
[INFO] running `Command { std: "docker" "start" "-a" "d087f22d403146048d4ac36f8a5e77988548817785cfa9bbc15a69979942f0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d087f22d403146048d4ac36f8a5e77988548817785cfa9bbc15a69979942f0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d087f22d403146048d4ac36f8a5e77988548817785cfa9bbc15a69979942f0ae", kill_on_drop: false }`
[INFO] [stdout] d087f22d403146048d4ac36f8a5e77988548817785cfa9bbc15a69979942f0ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eda759e86162daebe53f57ec9a980254eddbee5729d040bdc58f205ddf0a5e03
[INFO] running `Command { std: "docker" "start" "-a" "eda759e86162daebe53f57ec9a980254eddbee5729d040bdc58f205ddf0a5e03", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling semver v1.0.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking embedded-hal-mock v0.7.2
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking linux-embedded-hal v0.2.2
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking sensor-scd30 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `debug` and `trace`
[INFO] [stdout]   --> src/lib.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | use log::{trace, debug};
[INFO] [stdout]    |           ^^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `delay` is never read
[INFO] [stdout]   --> src/lib.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Scd30<Conn, Delay, Err> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 52 |     conn: Conn,
[INFO] [stdout] 53 |     delay: Delay,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking color-backtrace v0.1.3
[INFO] [stdout] warning: unused imports: `debug` and `trace`
[INFO] [stdout]   --> src/lib.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | use log::{trace, debug};
[INFO] [stdout]    |           ^^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `delay` is never read
[INFO] [stdout]   --> src/lib.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Scd30<Conn, Delay, Err> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 52 |     conn: Conn,
[INFO] [stdout] 53 |     delay: Delay,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "eda759e86162daebe53f57ec9a980254eddbee5729d040bdc58f205ddf0a5e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda759e86162daebe53f57ec9a980254eddbee5729d040bdc58f205ddf0a5e03", kill_on_drop: false }`
[INFO] [stdout] eda759e86162daebe53f57ec9a980254eddbee5729d040bdc58f205ddf0a5e03
[INFO] checking sensor-scd30-0.4.0 against try#0c9c19b42881b7ee3d3f268d2369726c7f8dddfd for pr-127656
[INFO] extracting crate sensor-scd30 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate sensor-scd30 0.4.0 on toolchain 0c9c19b42881b7ee3d3f268d2369726c7f8dddfd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate sensor-scd30 0.4.0
[INFO] finished tweaking crates.io crate sensor-scd30 0.4.0
[INFO] tweaked toml for crates.io crate sensor-scd30 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate sensor-scd30 0.4.0 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" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 890dae880723a071a89d881431e52a7325f3967cee86832e57fcb80518fd0d74
[INFO] running `Command { std: "docker" "start" "-a" "890dae880723a071a89d881431e52a7325f3967cee86832e57fcb80518fd0d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "890dae880723a071a89d881431e52a7325f3967cee86832e57fcb80518fd0d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890dae880723a071a89d881431e52a7325f3967cee86832e57fcb80518fd0d74", kill_on_drop: false }`
[INFO] [stdout] 890dae880723a071a89d881431e52a7325f3967cee86832e57fcb80518fd0d74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65bc2487cedc3c7abf1368180c604bffafdc13dd422cb171140ec4c57b074e79
[INFO] running `Command { std: "docker" "start" "-a" "65bc2487cedc3c7abf1368180c604bffafdc13dd422cb171140ec4c57b074e79", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling semver v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stdout] error[E0365]: extern crate `std` is private and cannot be re-exported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bitflags-0.4.0/src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub use std as __core;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider making the `extern crate` item publicly accessible
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
[INFO] [stdout]    | +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0365`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitflags` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "65bc2487cedc3c7abf1368180c604bffafdc13dd422cb171140ec4c57b074e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65bc2487cedc3c7abf1368180c604bffafdc13dd422cb171140ec4c57b074e79", kill_on_drop: false }`
[INFO] [stdout] 65bc2487cedc3c7abf1368180c604bffafdc13dd422cb171140ec4c57b074e79