[INFO] fetching crate ssandbox 0.1.0...
[INFO] testing ssandbox-0.1.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate ssandbox 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ssandbox 0.1.0
[INFO] finished tweaking crates.io crate ssandbox 0.1.0
[INFO] tweaked toml for crates.io crate ssandbox 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ssandbox 0.1.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ssandbox 0.1.0 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08feaee1fcb6f12b459ffee38cdef6e5441f0252dc351b669467f48f50218518
[INFO] running `Command { std: "docker" "start" "-a" "08feaee1fcb6f12b459ffee38cdef6e5441f0252dc351b669467f48f50218518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08feaee1fcb6f12b459ffee38cdef6e5441f0252dc351b669467f48f50218518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08feaee1fcb6f12b459ffee38cdef6e5441f0252dc351b669467f48f50218518", kill_on_drop: false }`
[INFO] [stdout] 08feaee1fcb6f12b459ffee38cdef6e5441f0252dc351b669467f48f50218518
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 544d65fcfe85cdd3f1ab76edb0e6e2e8a04429e21e92c2c290b837040b3b12e3
[INFO] running `Command { std: "docker" "start" "-a" "544d65fcfe85cdd3f1ab76edb0e6e2e8a04429e21e92c2c290b837040b3b12e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling once_cell v1.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling libscmp v0.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling caps v0.5.1
[INFO] [stderr]    Compiling cgroups-rs v0.2.3
[INFO] [stderr]    Compiling ssandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.70.0; see <https://github.com/rust-lang/rust/pull/108471> for more information
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/container/mod.rs:107:24
[INFO] [stdout]     |
[INFO] [stdout] 107 |             return Err(box error::Error::AlreadyStarted);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 107 -             return Err(box error::Error::AlreadyStarted);
[INFO] [stdout] 107 +             return Err(Box::new(error::Error::AlreadyStarted));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/container/mod.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             box || entry::main(ic.clone()),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 124 -             box || entry::main(ic.clone()),
[INFO] [stdout] 124 +             Box::new(|| entry::main(ic.clone())),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/container/mod.rs:134:34
[INFO] [stdout]     |
[INFO] [stdout] 134 |             Err(e) => return Err(box error::Error::ForkFailed(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 134 -             Err(e) => return Err(box error::Error::ForkFailed(e)),
[INFO] [stdout] 134 +             Err(e) => return Err(Box::new(error::Error::ForkFailed(e))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/container/mod.rs:173:24
[INFO] [stdout]     |
[INFO] [stdout] 173 |             return Err(box wrapped_error);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 173 -             return Err(box wrapped_error);
[INFO] [stdout] 173 +             return Err(Box::new(wrapped_error));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]   --> src/container/mod.rs:45:40
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 box (Default::default(): security::CapabilityPolicy),
[INFO] [stdout]    |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/container/mod.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 box (Default::default(): security::CapabilityPolicy),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 45 -                 box (Default::default(): security::CapabilityPolicy),
[INFO] [stdout] 45 +                 Box::new((Default::default(): security::CapabilityPolicy)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]   --> src/container/mod.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 box (Default::default(): security::SeccompPolicy),
[INFO] [stdout]    |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/container/mod.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 box (Default::default(): security::SeccompPolicy),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 46 -                 box (Default::default(): security::SeccompPolicy),
[INFO] [stdout] 46 +                 Box::new((Default::default(): security::SeccompPolicy)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/container/mod.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |         security::{self, ApplySecurityPolicy},
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ssandbox` (lib) due to 9 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "544d65fcfe85cdd3f1ab76edb0e6e2e8a04429e21e92c2c290b837040b3b12e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544d65fcfe85cdd3f1ab76edb0e6e2e8a04429e21e92c2c290b837040b3b12e3", kill_on_drop: false }`
[INFO] [stdout] 544d65fcfe85cdd3f1ab76edb0e6e2e8a04429e21e92c2c290b837040b3b12e3
