[INFO] fetching crate cargo-bin 0.3.0...
[INFO] checking cargo-bin-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cargo-bin 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cargo-bin 0.3.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-bin 0.3.0
[INFO] finished tweaking crates.io crate cargo-bin 0.3.0
[INFO] tweaked toml for crates.io crate cargo-bin 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-bin 0.3.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_edit v0.2.0
[INFO] [stderr]   Downloaded chrono v0.4.15
[INFO] [stderr]   Downloaded libc v0.2.74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12eb771a5e23df3bb9336077bc63943c66c37618dbe9f2482cc0bfa71351e78e
[INFO] running `Command { std: "docker" "start" "-a" "12eb771a5e23df3bb9336077bc63943c66c37618dbe9f2482cc0bfa71351e78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12eb771a5e23df3bb9336077bc63943c66c37618dbe9f2482cc0bfa71351e78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12eb771a5e23df3bb9336077bc63943c66c37618dbe9f2482cc0bfa71351e78e", kill_on_drop: false }`
[INFO] [stdout] 12eb771a5e23df3bb9336077bc63943c66c37618dbe9f2482cc0bfa71351e78e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 599253b09b80fb648fcda2d117736a3cc3aed72d946c2773e629483ef8b69729
[INFO] running `Command { std: "docker" "start" "-a" "599253b09b80fb648fcda2d117736a3cc3aed72d946c2773e629483ef8b69729", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking toml_edit v0.2.0
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking cargo-bin v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Context` is imported redundantly
[INFO] [stdout]    --> src/manifest.rs:152:18
[INFO] [stdout]     |
[INFO] [stdout] 150 |     use super::*;
[INFO] [stdout]     |         -------- the item `Context` is already imported here
[INFO] [stdout] 151 |     use crate::project::*;
[INFO] [stdout] 152 |     use anyhow::{Context, Result};
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]    --> src/manifest.rs:152:27
[INFO] [stdout]     |
[INFO] [stdout] 150 |     use super::*;
[INFO] [stdout]     |         -------- the item `Result` is already imported here
[INFO] [stdout] 151 |     use crate::project::*;
[INFO] [stdout] 152 |     use anyhow::{Context, Result};
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `assume_yes` is never read
[INFO] [stdout]   --> src/bin/bin.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     New {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 20 |         assume_yes: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `assume_yes` is never read
[INFO] [stdout]   --> src/bin/bin.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     New {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 20 |         assume_yes: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.27s
[INFO] running `Command { std: "docker" "inspect" "599253b09b80fb648fcda2d117736a3cc3aed72d946c2773e629483ef8b69729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599253b09b80fb648fcda2d117736a3cc3aed72d946c2773e629483ef8b69729", kill_on_drop: false }`
[INFO] [stdout] 599253b09b80fb648fcda2d117736a3cc3aed72d946c2773e629483ef8b69729