[INFO] fetching crate busycrate 0.1.0...
[INFO] testing busycrate-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate busycrate 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate busycrate 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate busycrate 0.1.0
[INFO] finished tweaking crates.io crate busycrate 0.1.0
[INFO] tweaked toml for crates.io crate busycrate 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate busycrate 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20c4e4643f47ed0f189624b721df9341d3a90aa939a69ff86b6041b341da6c9f
[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" "20c4e4643f47ed0f189624b721df9341d3a90aa939a69ff86b6041b341da6c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20c4e4643f47ed0f189624b721df9341d3a90aa939a69ff86b6041b341da6c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c4e4643f47ed0f189624b721df9341d3a90aa939a69ff86b6041b341da6c9f", kill_on_drop: false }`
[INFO] [stdout] 20c4e4643f47ed0f189624b721df9341d3a90aa939a69ff86b6041b341da6c9f
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad53705187ad883b16d1a59c3f32c6136e0e0918826d0530b89cae3f7f3b29f6
[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" "ad53705187ad883b16d1a59c3f32c6136e0e0918826d0530b89cae3f7f3b29f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling busycrate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:83:6
[INFO] [stdout]    |
[INFO] [stdout] 83 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |         .author(clap::crate_authors!("\n"))
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `clap::crate_authors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |         .author(clap::crate_authors!("\n"))
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `clap::crate_authors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.43s
[INFO] running `Command { std: "docker" "inspect" "ad53705187ad883b16d1a59c3f32c6136e0e0918826d0530b89cae3f7f3b29f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad53705187ad883b16d1a59c3f32c6136e0e0918826d0530b89cae3f7f3b29f6", kill_on_drop: false }`
[INFO] [stdout] ad53705187ad883b16d1a59c3f32c6136e0e0918826d0530b89cae3f7f3b29f6
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--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] 517c6ac39f56998835057e83d697910496c9fa7c2fb51d7451cf3b586c9fb9ce
[INFO] running `Command { std: "docker" "start" "-a" "517c6ac39f56998835057e83d697910496c9fa7c2fb51d7451cf3b586c9fb9ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling busycrate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/osstr.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:83:6
[INFO] [stdout]    |
[INFO] [stdout] 83 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |         .author(clap::crate_authors!("\n"))
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `clap::crate_authors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |         .author(clap::crate_authors!("\n"))
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `clap::crate_authors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `has_suffix` found for reference `&OsStr` in the current scope
[INFO] [stdout]   --> src/osstr.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |         assert!(os_str.has_suffix(""));
[INFO] [stdout]    |                        ^^^^^^^^^^ method not found in `&OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `has_suffix` found for reference `&OsStr` in the current scope
[INFO] [stdout]   --> src/osstr.rs:62:36
[INFO] [stdout]    |
[INFO] [stdout] 62 |         assert!(OsStr::new(filled).has_suffix(empty));
[INFO] [stdout]    |                                    ^^^^^^^^^^ method not found in `&OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `has_suffix` found for reference `&OsStr` in the current scope
[INFO] [stdout]   --> src/osstr.rs:63:36
[INFO] [stdout]    |
[INFO] [stdout] 63 |         assert!(!OsStr::new(empty).has_suffix(filled));
[INFO] [stdout]    |                                    ^^^^^^^^^^ method not found in `&OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `has_suffix` found for reference `&OsStr` in the current scope
[INFO] [stdout]   --> src/osstr.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |         assert!(!os_str.has_suffix("suffix"));
[INFO] [stdout]    |                         ^^^^^^^^^^ method not found in `&OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `has_suffix` found for reference `&OsStr` in the current scope
[INFO] [stdout]   --> src/osstr.rs:77:35
[INFO] [stdout]    |
[INFO] [stdout] 77 |         assert!(OsStr::new(first).has_suffix(second));
[INFO] [stdout]    |                                   ^^^^^^^^^^ method not found in `&OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `has_suffix` found for reference `&OsStr` in the current scope
[INFO] [stdout]   --> src/osstr.rs:78:36
[INFO] [stdout]    |
[INFO] [stdout] 78 |         assert!(OsStr::new(second).has_suffix(first));
[INFO] [stdout]    |                                    ^^^^^^^^^^ method not found in `&OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `has_suffix` found for reference `&OsStr` in the current scope
[INFO] [stdout]   --> src/osstr.rs:86:36
[INFO] [stdout]    |
[INFO] [stdout] 86 |         assert!(OsStr::new(larger).has_suffix(suffix));
[INFO] [stdout]    |                                    ^^^^^^^^^^ method not found in `&OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `has_suffix` found for reference `&OsStr` in the current scope
[INFO] [stdout]   --> src/osstr.rs:87:37
[INFO] [stdout]    |
[INFO] [stdout] 87 |         assert!(!OsStr::new(suffix).has_suffix(larger));
[INFO] [stdout]    |                                     ^^^^^^^^^^ method not found in `&OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `has_suffix` found for reference `&OsStr` in the current scope
[INFO] [stdout]   --> src/osstr.rs:98:42
[INFO] [stdout]    |
[INFO] [stdout] 98 |         assert!(!OsStr::from_bytes(text).has_suffix(suffix));
[INFO] [stdout]    |                                          ^^^^^^^^^^ method not found in `&OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `busycrate` due to 10 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "517c6ac39f56998835057e83d697910496c9fa7c2fb51d7451cf3b586c9fb9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "517c6ac39f56998835057e83d697910496c9fa7c2fb51d7451cf3b586c9fb9ce", kill_on_drop: false }`
[INFO] [stdout] 517c6ac39f56998835057e83d697910496c9fa7c2fb51d7451cf3b586c9fb9ce