[INFO] fetching crate thcon 0.2.0...
[INFO] testing thcon-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate thcon 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate thcon 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thcon 0.2.0
[INFO] finished tweaking crates.io crate thcon 0.2.0
[INFO] tweaked toml for crates.io crate thcon 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate thcon 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dbus v0.9.0
[INFO] [stderr]   Downloaded cfg_aliases v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 61a71ced572c2491788a05ad4513efe1368eb4314d5e1239efc7c222c620c287
[INFO] running `Command { std: "docker" "start" "-a" "61a71ced572c2491788a05ad4513efe1368eb4314d5e1239efc7c222c620c287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61a71ced572c2491788a05ad4513efe1368eb4314d5e1239efc7c222c620c287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a71ced572c2491788a05ad4513efe1368eb4314d5e1239efc7c222c620c287", kill_on_drop: false }`
[INFO] [stdout] 61a71ced572c2491788a05ad4513efe1368eb4314d5e1239efc7c222c620c287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 464fdaf22be561fd36417fa672310af39259c8374f6b07258e75d753b04eda6e
[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" "464fdaf22be561fd36417fa672310af39259c8374f6b07258e75d753b04eda6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling thcon v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling terminal_size v0.1.13
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dbus v0.9.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling console v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stdout] warning: unused variable: `profile_name`
[INFO] [stdout]   --> src/app/konsole.rs:84:35
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn set_default_profile(&self, profile_name: &String) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_profile_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_default_profile`
[INFO] [stdout]   --> src/app/konsole.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn set_default_profile(&self, profile_name: &String) -> Result<(), Box<dyn Error>> {
[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 [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "464fdaf22be561fd36417fa672310af39259c8374f6b07258e75d753b04eda6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "464fdaf22be561fd36417fa672310af39259c8374f6b07258e75d753b04eda6e", kill_on_drop: false }`
[INFO] [stdout] 464fdaf22be561fd36417fa672310af39259c8374f6b07258e75d753b04eda6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2b9917745cff299f3f4036f635cf8b198a314b760ab8650d5b6cefc28d68228
[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" "d2b9917745cff299f3f4036f635cf8b198a314b760ab8650d5b6cefc28d68228", kill_on_drop: false }`
[INFO] [stderr]    Compiling thcon v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `profile_name`
[INFO] [stdout]   --> src/app/konsole.rs:84:35
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn set_default_profile(&self, profile_name: &String) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_profile_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_default_profile`
[INFO] [stdout]   --> src/app/konsole.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn set_default_profile(&self, profile_name: &String) -> Result<(), Box<dyn Error>> {
[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] [stdout] warning: unused variable: `profile_name`
[INFO] [stdout]   --> src/app/konsole.rs:84:35
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn set_default_profile(&self, profile_name: &String) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_profile_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_default_profile`
[INFO] [stdout]   --> src/app/konsole.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn set_default_profile(&self, profile_name: &String) -> Result<(), Box<dyn Error>> {
[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 test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "d2b9917745cff299f3f4036f635cf8b198a314b760ab8650d5b6cefc28d68228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b9917745cff299f3f4036f635cf8b198a314b760ab8650d5b6cefc28d68228", kill_on_drop: false }`
[INFO] [stdout] d2b9917745cff299f3f4036f635cf8b198a314b760ab8650d5b6cefc28d68228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 451a1398722f87b53f46354980c50ab2f3200eb7e41096023a2eeb2457e8531e
[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" "451a1398722f87b53f46354980c50ab2f3200eb7e41096023a2eeb2457e8531e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `profile_name`
[INFO] [stderr]   --> src/app/konsole.rs:84:35
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn set_default_profile(&self, profile_name: &String) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_profile_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_default_profile`
[INFO] [stderr]   --> src/app/konsole.rs:84:8
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn set_default_profile(&self, profile_name: &String) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `profile_name`
[INFO] [stderr]   --> src/app/konsole.rs:84:35
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn set_default_profile(&self, profile_name: &String) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_profile_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_default_profile`
[INFO] [stderr]   --> src/app/konsole.rs:84:8
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn set_default_profile(&self, profile_name: &String) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/thcon-246941c16340366e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/thcon-3ad8a6f5cd3fdcda
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests thcon
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "451a1398722f87b53f46354980c50ab2f3200eb7e41096023a2eeb2457e8531e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "451a1398722f87b53f46354980c50ab2f3200eb7e41096023a2eeb2457e8531e", kill_on_drop: false }`
[INFO] [stdout] 451a1398722f87b53f46354980c50ab2f3200eb7e41096023a2eeb2457e8531e