[INFO] fetching crate recolored 1.9.3...
[INFO] testing recolored-1.9.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate recolored 1.9.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate recolored 1.9.3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate recolored 1.9.3
[INFO] finished tweaking crates.io crate recolored 1.9.3
[INFO] tweaked toml for crates.io crate recolored 1.9.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate recolored 1.9.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb78438376c86488da3488e1007399982b68d7d9829e1e3b73e1561be2fd002e
[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" "fb78438376c86488da3488e1007399982b68d7d9829e1e3b73e1561be2fd002e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb78438376c86488da3488e1007399982b68d7d9829e1e3b73e1561be2fd002e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb78438376c86488da3488e1007399982b68d7d9829e1e3b73e1561be2fd002e", kill_on_drop: false }`
[INFO] [stdout] fb78438376c86488da3488e1007399982b68d7d9829e1e3b73e1561be2fd002e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 7b55fdd5e369a0f75d3611994d453df3be5c9a998d98db7cc4da1377b283e282
[INFO] running `Command { std: "docker" "start" "-a" "7b55fdd5e369a0f75d3611994d453df3be5c9a998d98db7cc4da1377b283e282", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling recolored v1.9.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `Command { std: "docker" "inspect" "7b55fdd5e369a0f75d3611994d453df3be5c9a998d98db7cc4da1377b283e282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b55fdd5e369a0f75d3611994d453df3be5c9a998d98db7cc4da1377b283e282", kill_on_drop: false }`
[INFO] [stdout] 7b55fdd5e369a0f75d3611994d453df3be5c9a998d98db7cc4da1377b283e282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5714cc8ba75c948a3c415036257ddd432f8f36c114df5007467298f7ac957ff9
[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" "5714cc8ba75c948a3c415036257ddd432f8f36c114df5007467298f7ac957ff9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rspec v1.0.0-beta.3
[INFO] [stderr]    Compiling recolored v1.9.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `colored`
[INFO] [stdout]  --> examples/true_colors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate colored;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `recolored`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `colored`
[INFO] [stdout]  --> examples/nested_colors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate colored;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `colored`
[INFO] [stdout]  --> tests/ansi_term_compat.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate colored;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `colored`
[INFO] [stdout]  --> examples/dynamic_colors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate colored;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Style`
[INFO] [stdout]    --> src/style.rs:124:28
[INFO] [stdout]     |
[INFO] [stdout] 124 |         use super::super::{Style, Styles};
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BLINK`, `BOLD`, `DIMMED`, `HIDDEN`, `ITALIC`, `REVERSED`, `STRIKETHROUGH`, `UNDERLINE`
[INFO] [stdout]    --> src/style.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             BLINK, BOLD, DIMMED, HIDDEN, ITALIC, REVERSED, STRIKETHROUGH, UNDERLINE,
[INFO] [stdout]     |             ^^^^^  ^^^^  ^^^^^^  ^^^^^^  ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `colored`
[INFO] [stdout]  --> examples/control.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate colored;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `colored`
[INFO] [stdout]  --> examples/palette_colors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate colored;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `colored`
[INFO] [stdout]  --> examples/most_simple.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate colored;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_style_contains`
[INFO] [stdout]    --> src/style.rs:287:8
[INFO] [stdout]     |
[INFO] [stdout] 287 |     fn test_style_contains() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5714cc8ba75c948a3c415036257ddd432f8f36c114df5007467298f7ac957ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5714cc8ba75c948a3c415036257ddd432f8f36c114df5007467298f7ac957ff9", kill_on_drop: false }`
[INFO] [stdout] 5714cc8ba75c948a3c415036257ddd432f8f36c114df5007467298f7ac957ff9