[INFO] cloning repository https://github.com/skriems/psort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skriems/psort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskriems%2Fpsort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskriems%2Fpsort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 697b22b3e87d8e5f8e37b398ee52a4e05f0922b9
[INFO] checking skriems/psort against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskriems%2Fpsort" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skriems/psort on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skriems/psort
[INFO] finished tweaking git repo https://github.com/skriems/psort
[INFO] tweaked toml for git repo https://github.com/skriems/psort written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/skriems/psort already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b01e90dc5fefeda666f2c4d660c47799525324b0c23dfb2ec4893f8a467c5a5c
[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" "b01e90dc5fefeda666f2c4d660c47799525324b0c23dfb2ec4893f8a467c5a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b01e90dc5fefeda666f2c4d660c47799525324b0c23dfb2ec4893f8a467c5a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01e90dc5fefeda666f2c4d660c47799525324b0c23dfb2ec4893f8a467c5a5c", kill_on_drop: false }`
[INFO] [stdout] b01e90dc5fefeda666f2c4d660c47799525324b0c23dfb2ec4893f8a467c5a5c
[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=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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e3a0c387ca872e8fa62f6a10dcafb2ae959df82e4af8f9c9c6689653e2cd71f
[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" "4e3a0c387ca872e8fa62f6a10dcafb2ae959df82e4af8f9c9c6689653e2cd71f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking kamadak-exif v0.3.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking psort v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:95:41
[INFO] [stdout]    |
[INFO] [stdout] 95 |     overwrite: &bool) -> Result<(), Box<error::Error>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:95:41
[INFO] [stdout]    |
[INFO] [stdout] 95 |     overwrite: &bool) -> Result<(), Box<error::Error>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:50:40
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn run(opt: Opt) -> Result<(), Box<error::Error>> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:15:33
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ($($tt:tt)*) => { Err(Box::<error::Error>::from(format!($($tt)*))) }
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] ...
[INFO] [stdout] 59 |         return err!("source argument cannot be a file: {:?}", src);
[INFO] [stdout]    |                --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:50:40
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn run(opt: Opt) -> Result<(), Box<error::Error>> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:15:33
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ($($tt:tt)*) => { Err(Box::<error::Error>::from(format!($($tt)*))) }
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] ...
[INFO] [stdout] 59 |         return err!("source argument cannot be a file: {:?}", src);
[INFO] [stdout]    |                --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.51s
[INFO] running `Command { std: "docker" "inspect" "4e3a0c387ca872e8fa62f6a10dcafb2ae959df82e4af8f9c9c6689653e2cd71f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3a0c387ca872e8fa62f6a10dcafb2ae959df82e4af8f9c9c6689653e2cd71f", kill_on_drop: false }`
[INFO] [stdout] 4e3a0c387ca872e8fa62f6a10dcafb2ae959df82e4af8f9c9c6689653e2cd71f